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General Science One Liners

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General Science Practice MCQs

1 of 536

Q.1 Feedback inhibition of enzymes is affected by which of the following

  • enzyme
  • substrate
  • end products
  • intermediate end products


BiologyZoologyClass 11thNEET UGNEET UG Preparation

2 of 536

Q.2 An example of competitive inhibition of an enzyme is the inhibition of

  • succinic dehydrogenase by malonic acid
  • cytochrome oxidase by cyanide
  • hexokinase by glucose-6-phosphate
  • carbonic anhydrase by carbon dioxide


BiologyZoologyClass 11thNEET UGNEET UG Preparation

3 of 536

Q.3 Insulin is made up of _______ and _______.

  • glucose and fructose
  • glucose and fructose
  • fructose and mannose
  • mannose and glucose


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.4 Enzymes increase the rate of reaction by

  • lowering activation energy
  • increasing activation energy
  • increasing temperature and pH
  • decreasing temperature and pH


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.5 Which of the following statements regarding enzyme inhibition is correct?

  • Competitive inhibition is seen when a substrate competes with an enzyme for binding to an inhibitor protein
  • Non-competitive inhibitors often bind to the enzyme irreversibly
  • Competitive inhibition is seen when the substrate and the inhibitor compete for the active site on the enzyme
  • Non-competitive inhibition of an enzyme can be overcome by adding large amount of substrate


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.6 Which of the following is not a pyrimidine?

  • Uracil
  • Cytosine
  • Guanine
  • Thymine


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.7 Hydrolysis of starch occurs with the help of

  • Peptidase
  • Amylase
  • Sucrose
  • Lipase


BiologyZoologyClass 11thNEET UGNEET UG Preparation

8 of 536

Q.8 Assertion: Arachidic acid is an unsaturated fatty acid Reason: There are one or more double bonds between carbon atoms in unsaturated fatty acids

  • Both Assertion and Reason are true and Reason is the correct explanation of the Assertion
  • Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion
  • Assertion is true, but Reason is false.
  • Both Assertion and Reason are false


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.9 Which of the following influence feedback inhibition of enzyme?

  • End product
  • External factors
  • Enzyme
  • Substrate


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.10 Which of the following is not a polysaccharide?

  • Lactose
  • Starch
  • Glycogen
  • Dextrin


BiologyZoologyClass 11thNEET UGNEET UG Preparation

11 of 536

Q.11 Inulin is made up of _______ and _______

  • glucose and fructose
  • glucose and fructose
  • fructose and mannose
  • mannose and glucose


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.12 A protein having both structural and enzymatic traits is

  • Collagen
  • Trypsin
  • Myosin
  • Actin


BiologyZoologyClass 11thNEET UGNEET UG Preparation

13 of 536

Q.13 NADP contains vitamin ______

  • B1
  • B2
  • B3
  • B12


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.14 With reference to enzymes, which one of the following statements is true?

  • Apoenzyme = Holoenzyme + Coenzyme
  • Coenzyme = Apoenzyme + Holoenzyme
  • Holoenzyme = Apoenzyme + Coenzyme
  • Holoenzyme = Coenzyme – Apoenzyme


BiologyZoologyClass 11thNEET UGNEET UG Preparation

15 of 536

Q.15 Inhibitor binds to the active site of the enzyme. Hence blocking the reaction. This is an example of

  • allosteric inhibition
  • feedback inhibition
  • uncompetitive inhibition
  • competitive inhibition


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.16 The fastest enzyme known is

  • DNA polymerase
  • carbonic anhydrase
  • carbonic dehydrogenase
  • DNA ligase


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.17 Lecithin is a

  • polysaccharide
  • protein
  • nucleic acid
  • lipid


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.18 The minimum amount of energy required to initiate a chemical reaction is called

  • enzymatic energy
  • activation energy
  • substrate energy
  • initiation energy


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.19 Enzymes, vitamins and hormones are common in

  • Enhancing oxidative metabolism
  • Being synthesised in the body of organisms
  • Being proteinaceous
  • Regulating metabolism


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.20 Nitrogenous bases present in DNA

  • Adenine, guanine, cytosine, uracil
  • Adenine, guanine, cytosine, thymine
  • Adenine, thymine, uracil
  • Guanine, uracil


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.21 Metabolic intermediates found in living system which are essential for growth and life is called___________

  • Saponins
  • Tannins
  • Secondary metabolite
  • Primary metabolites


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.22 Enormous diversity of protein molecules is due to

  • R groups of amino acids
  • Sequence of amino acids
  • Peptide bonds
  • Amino groups of amino acids


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.23 Anti-parallel strands of a DNA molecule mean that

  • One strand turns anticlockwise
  • Phosphate groups at the start of two DNA strands (poles) are in opposite position
  • Phosphate groups of two DNA strands at their ends share the same position
  • One strand turns clockwise


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.24 The introduction of t-DNA into plants involves

  • Altering the pH of the soil, then heat shocking the plants
  • Exposing the plants to cold for a brief period
  • Allowing the plant roots to stand in water
  • Infection of the plant by Agrobacterium tumefaciens


BiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.25 The most common monomer of carbohydrates is

  • Sucrose
  • Fructose
  • Maltose
  • Glucose


BiologyZoologyClass 11thNEET UGNEET UG Preparation

26 of 536

Q.1 Which of the following statements is the most appropriate for sickle cell anaemia ?

  • It cannot be treated with iron supplements.
  • It is a molecular disease.
  • It conferes resistance to acquiring malaria
  • All of the above.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

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Q.2 The first genetic material could be

  • protein
  • cabohydrates
  • DNA
  • RNA


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

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Q.3 The human chromosome with the highest and least number of genes in them are respectively

  • chromosome 21 and Y
  • chromosome 1 and X
  • chromosome 1 and Y
  • chromosome X and Y


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

29 of 536

Q.4 Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DN A ?

  • Rosalind Franklin
  • Maurice Wilkins
  • Erwin Chargaff
  • Meselson and Stahl


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

30 of 536

Q.5 Which of the following steps in transcription is catalysed by RNA polymerase ?

  • Initiation
  • Elongation
  • Termination
  • All of the above


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

31 of 536

Q.6 Control of gene expression takes place at the level of

  • DNA-replication
  • transcription
  • translation
  • none of the above


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

32 of 536

Q.7 Which was the last human chromosome to be completely sequenced ?

  • Chromosome 1
  • Chromosome 11
  • Chromosome 21
  • Chromosome X


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

33 of 536

Q.8 In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called

  • A – DNA
  • B – DNA
  • cDNA
  • rDNA


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

34 of 536

Q.9 If the sequence of initrogen bases of the coding strand of DNA in a transcription unit is: 5’ – ATGAATG – 3’, the sequence of bases in its RNA transcript would be

  • 5’ – AUG A AUG – 3’
  • 5’ – UACUU AC – 3’
  • 5’ – CAUUCAU – 3’
  • 5’ – GUAAGUA – 3’.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

35 of 536

Q.10 The RNA polymerase holocnzyme transcribes

  • the promoter, structural gene and the terminator region
  • the promoter and the terminator region
  • the structural gene and the terminator region
  • the structural gene only.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

36 of 536

Q.11 If the base sequence of a codon in mRNA is 5’ – AUG – 3′ the sequence of tRNA pairing with it must be

  • 5’ – UAC – 3’
  • 5’ – CAU – 3’
  • 5’-AUG – 3’
  • 5’ – GUA – 3’


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

37 of 536

Q.12 The amino acid attaches to the tRNA at its

  • 5’- end
  • 3’ – end
  • anticodon site
  • DHUloop.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

38 of 536

Q.13 To initiate translation, the wiRNA first bind to

  • the smaller ribosomal sub-unit
  • the larger ribosomal sub-unit
  • the whole ribosome
  • no such specificity exists


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

39 of 536

Q.14 In E. colt, the lac operon gets switched on when

  • lactose is present and it binds to the repressor
  • repressor binds to operator
  • RNA polymerase binds to the operator
  • lactose is present and it binds to RNA polymerase.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

40 of 536

Q.15 In DNA strand, the nucleotides are linked together by

  • glycosidic bonds
  • phosphodiester bonds
  • peptide bonds
  • hydrogen bonds


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

41 of 536

Q.16 If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it ?

  • 20%
  • 40%
  • 30%
  • 60%


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

42 of 536

Q.17 If the sequence of bases in one strand of DNA is ATGCATGCA, what would be the sequence of bases on complementary strand ?

  • ATGCATGCA
  • AUGCAUGCA
  • TACTACGT
  • UACGUACGU


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

43 of 536

Q.18 How far is each base pair from the next one in DNA double helix model ?

  • 2 nm
  • 3.4 nm
  • 34 nm
  • 0.34 nm


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

44 of 536

Q.19 Synthesis of DNA from RNA is explained by

  • central dogma reverse
  • reverse transcription
  • feminism
  • all of these


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

45 of 536

Q.20 Histone proteins are

  • basic, negatively charged
  • basic, positively charged
  • acidic, positively charged
  • acidic, negatively charged


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

46 of 536

Q.21 The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called

  • nucleotides
  • nucleosides
  • histone octamer
  • nucleosomes


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

47 of 536

Q.22 Find out the wrong statement about heterochromatin,

  • It is densely packed
  • It stains dark
  • It is transcriptionally active.
  • It is late replicating


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

48 of 536

Q.23 They year 2003 was celebrated as the 50th anniversary of discovery of

  • transposons by Barbare Me Clintock
  • structure of DNA by Watson and Crick
  • Mendel’s laws of inheritance
  • biotechnology by Kary Muliis.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

49 of 536

Q.24 Amino acids which are specified by single codons are

  • phenylalanine and arginine
  • tryptophan and methionine
  • valine and proline
  • methionine and aroinine


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

50 of 536

Q.25 Which out of the following statements is incorrect ?

  • Genetic code is ambiguous.
  • Genetic code is deqenerate
  • Genetic code is universal
  • Genetic code is non-overlanning.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

51 of 536

Q.1 Which of the following statements is the most appropriate for sickle cell anaemia ?

  • It cannot be treated with iron supplements.
  • It is a molecular disease.
  • It conferes resistance to acquiring malaria
  • All of the above.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

52 of 536

Q.2 The first genetic material could be

  • protein
  • cabohydrates
  • DNA
  • RNA


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

53 of 536

Q.3 The human chromosome with the highest and least number of genes in them are respectively

  • chromosome 21 and Y
  • chromosome 1 and X
  • chromosome 1 and Y
  • chromosome X and Y


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

54 of 536

Q.4 Who amongst the following scientist had no contribution in the development of the double helix model for the structure of DN A ?

  • Rosalind Franklin
  • Maurice Wilkins
  • Erwin Chargaff
  • Meselson and Stahl


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

55 of 536

Q.5 Which of the following steps in transcription is catalysed by RNA polymerase ?

  • Initiation
  • Elongation
  • Termination
  • All of the above


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

56 of 536

Q.6 Control of gene expression takes place at the level of

  • DNA-replication
  • transcription
  • translation
  • none of the above


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

57 of 536

Q.7 Which was the last human chromosome to be completely sequenced ?

  • Chromosome 1
  • Chromosome 11
  • Chromosome 21
  • Chromosome X


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

58 of 536

Q.8 In some viruses, DNA is synthesised by using RNA as template. Such a DNA is called

  • A – DNA
  • B – DNA
  • cDNA
  • rDNA


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

59 of 536

Q.9 If the sequence of initrogen bases of the coding strand of DNA in a transcription unit is: 5’ – ATGAATG – 3’, the sequence of bases in its RNA transcript would be

  • 5’ – AUG A AUG – 3’
  • 5’ – UACUU AC – 3’
  • 5’ – CAUUCAU – 3’
  • 5’ – GUAAGUA – 3’.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

60 of 536

Q.10 The RNA polymerase holocnzyme transcribes

  • the promoter, structural gene and the terminator region
  • the promoter and the terminator region
  • the structural gene and the terminator region
  • the structural gene only.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

61 of 536

Q.11 If the base sequence of a codon in mRNA is 5’ – AUG – 3′ the sequence of tRNA pairing with it must be

  • 5’ – UAC – 3’
  • 5’ – CAU – 3’
  • 5’-AUG – 3’
  • 5’ – GUA – 3’


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

62 of 536

Q.12 The amino acid attaches to the tRNA at its

  • 5’- end
  • 3’ – end
  • anticodon site
  • DHUloop.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

63 of 536

Q.13 To initiate translation, the wiRNA first bind to

  • the smaller ribosomal sub-unit
  • the larger ribosomal sub-unit
  • the whole ribosome
  • no such specificity exists


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

64 of 536

Q.14 In E. colt, the lac operon gets switched on when

  • lactose is present and it binds to the repressor
  • repressor binds to operator
  • RNA polymerase binds to the operator
  • lactose is present and it binds to RNA polymerase.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

65 of 536

Q.15 In DNA strand, the nucleotides are linked together by

  • glycosidic bonds
  • phosphodiester bonds
  • peptide bonds
  • hydrogen bonds


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

66 of 536

Q.16 If a double stranded DNA has 20% of cytosine, what will be the percentage of adenine in it ?

  • 20%
  • 40%
  • 30%
  • 60%


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

67 of 536

Q.17 If the sequence of bases in one strand of DNA is ATGCATGCA, what would be the sequence of bases on complementary strand ?

  • ATGCATGCA
  • AUGCAUGCA
  • TACTACGT
  • UACGUACGU


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

68 of 536

Q.18 How far is each base pair from the next one in DNA double helix model ?

  • 2 nm
  • 3.4 nm
  • 34 nm
  • 0.34 nm


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

69 of 536

Q.19 Synthesis of DNA from RNA is explained by

  • central dogma reverse
  • reverse transcription
  • feminism
  • all of these


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

70 of 536

Q.20 Histone proteins are

  • basic, negatively charged
  • basic, positively charged
  • acidic, positively charged
  • acidic, negatively charged


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

71 of 536

Q.21 The structure in chromatin seen as ‘beads-on string’ when viewed under electron microscope are called

  • nucleotides
  • nucleosides
  • histone octamer
  • nucleosomes


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

72 of 536

Q.22 Find out the wrong statement about heterochromatin,

  • It is densely packed
  • It stains dark
  • It is transcriptionally active.
  • It is late replicating


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

73 of 536

Q.23 They year 2003 was celebrated as the 50th anniversary of discovery of

  • transposons by Barbare Me Clintock
  • structure of DNA by Watson and Crick
  • Mendel’s laws of inheritance
  • biotechnology by Kary Muliis.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

74 of 536

Q.24 Amino acids which are specified by single codons are

  • phenylalanine and arginine
  • tryptophan and methionine
  • valine and proline
  • methionine and aroinine


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

75 of 536

Q.25 Which out of the following statements is incorrect ?

  • Genetic code is ambiguous.
  • Genetic code is deqenerate
  • Genetic code is universal
  • Genetic code is non-overlanning.


General ScienceBiologyZoologyClass 12thNEET UGNEET UG Preparation

76 of 536

Q.1 Which among the following is not ammonotelic

  • Aquatic amphibian
  • Aquatic insect
  • Bony fishes
  • Mammal


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

77 of 536

Q.2 Which among the following is not ureotelic

  • Mammal
  • Aquatic insect
  • Terrestrial amphibian
  • Marine fishes


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

78 of 536

Q.3 Which among the following is not uricootelic

  • Mammal
  • Reptiles
  • Birds
  • Snails


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

79 of 536

Q.4 Which among is the most toxic

  • Ammonia
  • Uric acid
  • Urea
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

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Q.5 Which requires min water for removal from body

  • Ammonia
  • Urea
  • Uric acid
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

81 of 536

Q.6 Flame cells or protonephridia are NOT excretory structure of

  • Planaria
  • Annelids
  • Cockroach
  • Rotifers


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

82 of 536

Q.7 Kidney is present between

  • T12 L3
  • T11 L2
  • T 10 L1
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

83 of 536

Q.8 Green glands/ antennal glands are excretory structures of which organism

  • Earthworm
  • Prawn
  • Cockroach
  • Planaria


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

84 of 536

Q.9 What is an average weight of kidney

  • 80-90g
  • 120-150g
  • 110-120g
  • 120-170g


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

85 of 536

Q.10 Each kidney has how many nephrons

  • 1 million
  • 2 million
  • 2 thousand
  • 2 hundred


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

86 of 536

Q.11 What are the structural and functional unit of kidney

  • Nephrons
  • Cell
  • Neurons
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

87 of 536

Q.12 Bowman capsule with glomerulus is known as

  • Malphigian body
  • Renal corpuscle
  • Malphigian capsule
  • Both b and c


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

88 of 536

Q.13 Which nephrons run deep into the medulla

  • Cortical nephron
  • Juxta medullary nephron
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

89 of 536

Q.14 Kidney transplantation is the ultimate method of correction in which case

  • Renal calculi
  • Renal failure
  • Uremia
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

90 of 536

Q.15 Which loop of hence is permeable to water

  • Descending loop
  • Ascending loop
  • Both the loops
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

91 of 536

Q.16 Which gland remove substances like sterols, hydrocarbons and waxes

  • Pineal gland
  • Pancreas
  • Gall bladder
  • Sweat glands


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

92 of 536

Q.17 Presence of glucose in urine is known as

  • Ketonuria
  • Glycosides
  • Glycosuria
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

93 of 536

Q.18 Inflammation of glomeruli of kidney is known as

  • Uremia
  • Renal failure
  • Renal calculi
  • Glomerulonephritis


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

94 of 536

Q.19 Angiotensinogen 2 is

  • Vasoconstriction
  • Vasodilation
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

95 of 536

Q.20 ANF can cause

  • Vasoconstriction
  • Vasodilation
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

96 of 536

Q.21 GFR in healthy individual is

  • 180 L
  • 150L
  • 130L
  • 120L


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

97 of 536

Q.22 Ciliated columnar cells are lined in which of the following

  • DCT
  • Both a and c
  • PCT
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

98 of 536

Q.23 On average how much blood is filtered by kidney per minute

  • 500-800ml
  • 1100- 1200ml
  • 1500-1700ml
  • 1600-1800ml


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

99 of 536

Q.24 Vasa recta is present in which type of nephron

  • Cortical nephron
  • Juxta medullary nephron
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

100 of 536

Q.1 Which among the following is not ammonotelic

  • Aquatic amphibian
  • Aquatic insect
  • Bony fishes
  • Mammal


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

101 of 536

Q.2 Which among the following is not ureotelic

  • Mammal
  • Aquatic insect
  • Terrestrial amphibian
  • Marine fishes


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

102 of 536

Q.3 Which among the following is not uricootelic

  • Mammal
  • Reptiles
  • Birds
  • Snails


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

103 of 536

Q.4 Which among is the most toxic

  • Ammonia
  • Uric acid
  • Urea
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

104 of 536

Q.5 Which requires min water for removal from body

  • Ammonia
  • Urea
  • Uric acid
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

105 of 536

Q.6 Flame cells or protonephridia are NOT excretory structure of

  • Planaria
  • Annelids
  • Cockroach
  • Rotifers


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

106 of 536

Q.7 Kidney is present between

  • T12 L3
  • T11 L2
  • T 10 L1
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

107 of 536

Q.8 Green glands/ antennal glands are excretory structures of which organism

  • Earthworm
  • Prawn
  • Cockroach
  • Planaria


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

108 of 536

Q.9 What is an average weight of kidney

  • 80-90g
  • 120-150g
  • 110-120g
  • 120-170g


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

109 of 536

Q.10 Each kidney has how many nephrons

  • 1 million
  • 2 million
  • 2 thousand
  • 2 hundred


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

110 of 536

Q.11 What are the structural and functional unit of kidney

  • Nephrons
  • Cell
  • Neurons
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

111 of 536

Q.12 Bowman capsule with glomerulus is known as

  • Malphigian body
  • Renal corpuscle
  • Malphigian capsule
  • Both b and c


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

112 of 536

Q.13 Which nephrons run deep into the medulla

  • Cortical nephron
  • Juxta medullary nephron
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

113 of 536

Q.14 Kidney transplantation is the ultimate method of correction in which case

  • Renal calculi
  • Renal failure
  • Uremia
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

114 of 536

Q.15 Which loop of hence is permeable to water

  • Descending loop
  • Ascending loop
  • Both the loops
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

115 of 536

Q.16 Which gland remove substances like sterols, hydrocarbons and waxes

  • Pineal gland
  • Pancreas
  • Gall bladder
  • Sweat glands


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

116 of 536

Q.17 Presence of glucose in urine is known as

  • Ketonuria
  • Glycosides
  • Glycosuria
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

117 of 536

Q.18 Inflammation of glomeruli of kidney is known as

  • Uremia
  • Renal failure
  • Renal calculi
  • Glomerulonephritis


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

118 of 536

Q.19 Angiotensinogen 2 is

  • Vasoconstriction
  • Vasodilation
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

119 of 536

Q.20 ANF can cause

  • Vasoconstriction
  • Vasodilation
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

120 of 536

Q.21 GFR in healthy individual is

  • 180 L
  • 150L
  • 130L
  • 120L


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

121 of 536

Q.22 Ciliated columnar cells are lined in which of the following

  • DCT
  • Both a and c
  • PCT
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

122 of 536

Q.23 On average how much blood is filtered by kidney per minute

  • 500-800ml
  • 1100- 1200ml
  • 1500-1700ml
  • 1600-1800ml


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

123 of 536

Q.24 Vasa recta is present in which type of nephron

  • Cortical nephron
  • Juxta medullary nephron
  • Both a and b
  • None of the above


General ScienceBiologyZoologyClass 11thNEET UGNEET UG Preparation

124 of 536

Q.1 Golgi complex and endoplasmic reticulum cannot be seen during

  • late telophase
  • late prophase
  • early anaphase
  • late metaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

125 of 536

Q.2 Cell plate grows from

  • walls to the centre
  • centre to the walls
  • in patches
  • simultaneously


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

126 of 536

Q.3 Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles

  • C, A, B, D
  • C, B, A, D
  • C, D, B, A
  • A, C, D, B


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

127 of 536

Q.4 If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into

  • Prophase
  • Anaphase
  • Telophase
  • Metaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

128 of 536

Q.5 Karyokinesis is the term used for

  • division of cytoplasm
  • division of nucleoplasm
  • division of nucleus
  • separation of daughter chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

129 of 536

Q.6 During which stage the chromosomes first become visible

  • Anaphase
  • Metaphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

130 of 536

Q.7 In mitosis, nuclear envelope and nucleolus disappear during

  • Metaphase
  • Interphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

131 of 536

Q.8 Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences

  • II, I, IV, III
  • III, II, I, IV
  • IV, III, II, I
  • I, IV, III, II


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

132 of 536

Q.9 The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

  • splitting of the centromeres
  • splitting of the chromatids
  • replication of the genetic material
  • condensation of the chromatin


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

133 of 536

Q.10 what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?

  • Autotetraploid
  • Haploid
  • Triploid
  • Allotetraploid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

134 of 536

Q.11 Meiosis occurs for the human female in ______.

  • Pancreas
  • Liver
  • Ovary
  • Kidney


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

135 of 536

Q.12 Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene

  • C, B, A, D, E
  • C, A, B, E, D
  • C, B, A, E, D
  • D, B, C, E, A


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

136 of 536

Q.13 How many chromosomes are there in onion root tip cell?

  • 6
  • 16
  • 26
  • 36


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

137 of 536

Q.14 Lampbrush chromosomes are observed in

  • Mitotic prophase
  • Mitotic metaphase
  • Meiotic metaphase
  • Meiotic prophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

138 of 536

Q.15 Which of the following cellular structures always disappears during mitosis and meiosis?

  • Plasma membrane
  • Nucleolus and nuclear envelope
  • Plastids
  • none of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

139 of 536

Q.16 Centromere is a constituent of

  • Ribosome
  • ER
  • Chromosome
  • Mitochondrion


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

140 of 536

Q.17 In which phase of cell cycle, proteins are synthesised?

  • G0
  • G1
  • G2
  • S


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

141 of 536

Q.18

  • Early prophase
  • Early metaphase
  • Early telophase
  • Early anaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

142 of 536

Q.19 The stage in which daughter chromosomes move toward the poles of the spindle is

  • Anaphase
  • Metaphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

143 of 536

Q.20 Synaptonemal complex dissolves in _____ stage.

  • Zygotene
  • Pachytene
  • Diakinesis
  • Diplotene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

144 of 536

Q.21 Synapsis occurs between

  • A male and female gametes
  • Ribosome and m-RNA
  • Spindle fibres and centromeres
  • Two homologous chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

145 of 536

Q.22 Division of nucleus without being followed by cytokinesis results into

  • Phargmoplast
  • Polyploidy
  • Uninucleate condition
  • Multinucleate condition


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

146 of 536

Q.23 A cell plate is laid down during

  • Cytokinesis
  • Interphase
  • Karyokinesis
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

147 of 536

Q.24 Crossing over results the exchange of genetic material, which occurs between

  • Non-sister chromosomes
  • Sister chromatids
  • Non-homologous chromosome
  • Homologous chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

148 of 536

Q.25 The number of chromosome and the amount of DNA are changed in

  • Metaphase and M phase
  • Anaphase and S phase
  • Interphase and S phase
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

149 of 536

Q.1 Golgi complex and endoplasmic reticulum cannot be seen during

  • late telophase
  • late prophase
  • early anaphase
  • late metaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

150 of 536

Q.2 Cell plate grows from

  • walls to the centre
  • centre to the walls
  • in patches
  • simultaneously


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

151 of 536

Q.3 Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles

  • C, A, B, D
  • C, B, A, D
  • C, D, B, A
  • A, C, D, B


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

152 of 536

Q.4 If you are provided with root-tips of onion in your class and are asked to count the chromosomes which of the following stages can you most conveniently look into

  • Prophase
  • Anaphase
  • Telophase
  • Metaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

153 of 536

Q.5 Karyokinesis is the term used for

  • division of cytoplasm
  • division of nucleoplasm
  • division of nucleus
  • separation of daughter chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

154 of 536

Q.6 During which stage the chromosomes first become visible

  • Anaphase
  • Metaphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

155 of 536

Q.7 In mitosis, nuclear envelope and nucleolus disappear during

  • Metaphase
  • Interphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

156 of 536

Q.8 Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences

  • II, I, IV, III
  • III, II, I, IV
  • IV, III, II, I
  • I, IV, III, II


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

157 of 536

Q.9 The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

  • splitting of the centromeres
  • splitting of the chromatids
  • replication of the genetic material
  • condensation of the chromatin


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

158 of 536

Q.10 what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?

  • Autotetraploid
  • Haploid
  • Triploid
  • Allotetraploid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

159 of 536

Q.11 Meiosis occurs for the human female in ______.

  • Pancreas
  • Liver
  • Ovary
  • Kidney


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

160 of 536

Q.12 Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene

  • C, B, A, D, E
  • C, A, B, E, D
  • C, B, A, E, D
  • D, B, C, E, A


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

161 of 536

Q.13 How many chromosomes are there in onion root tip cell?

  • 6
  • 16
  • 26
  • 36


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

162 of 536

Q.14 Lampbrush chromosomes are observed in

  • Mitotic prophase
  • Mitotic metaphase
  • Meiotic metaphase
  • Meiotic prophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

163 of 536

Q.15 Which of the following cellular structures always disappears during mitosis and meiosis?

  • Plasma membrane
  • Nucleolus and nuclear envelope
  • Plastids
  • none of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

164 of 536

Q.16 Centromere is a constituent of

  • Ribosome
  • ER
  • Chromosome
  • Mitochondrion


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

165 of 536

Q.17 In which phase of cell cycle, proteins are synthesised?

  • G0
  • G1
  • G2
  • S


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

166 of 536

Q.18

  • Early prophase
  • Early metaphase
  • Early telophase
  • Early anaphase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

167 of 536

Q.19 The stage in which daughter chromosomes move toward the poles of the spindle is

  • Anaphase
  • Metaphase
  • Prophase
  • Telophase


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

168 of 536

Q.20 Synaptonemal complex dissolves in _____ stage.

  • Zygotene
  • Pachytene
  • Diakinesis
  • Diplotene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

169 of 536

Q.21 Synapsis occurs between

  • A male and female gametes
  • Ribosome and m-RNA
  • Spindle fibres and centromeres
  • Two homologous chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

170 of 536

Q.22 Division of nucleus without being followed by cytokinesis results into

  • Phargmoplast
  • Polyploidy
  • Uninucleate condition
  • Multinucleate condition


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

171 of 536

Q.23 A cell plate is laid down during

  • Cytokinesis
  • Interphase
  • Karyokinesis
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

172 of 536

Q.24 Crossing over results the exchange of genetic material, which occurs between

  • Non-sister chromosomes
  • Sister chromatids
  • Non-homologous chromosome
  • Homologous chromosomes


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

173 of 536

Q.25 The number of chromosome and the amount of DNA are changed in

  • Metaphase and M phase
  • Anaphase and S phase
  • Interphase and S phase
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

174 of 536

Q.1 Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

175 of 536

Q.2 Intercalary meristems are of

  • Permanent nature
  • Temporary nature
  • Some are permanent some temporary
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

176 of 536

Q.3 Cells of fibers and tracheids elongate during

  • Phase of cell division
  • Phase of cell elongation
  • Phase of cell maturation
  • Phase of cell differentiation


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

177 of 536

Q.4 Typical plant growth shows _________ curve.

  • J-shaped
  • S-shaped
  • I-shaped
  • Parabolic


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

178 of 536

Q.5 Exponential growth of the plants is express as W1 = W0 ert r represents

  • ability of the plant to produce new cells
  • efficiency index
  • relative growth rate
  • all of the above


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

179 of 536

Q.6 Opening of floral buds into flowers, is a type of:

  • Autonomic movement of variation
  • Autonomic movement of locomotion
  • Autonomic movement of growth
  • Paratonic movement of growth


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

180 of 536

Q.7 Which one is incorrect?

  • Epiblast is presumptive ectoderm and mesoderm
  • Hypoblast is presumptive endoderm
  • Hypoblast is presumptive mesoderm
  • Upper layer of cells in blastoderm is epiblast


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

181 of 536

Q.8 The stage of rapid cell division just after fertilization is

  • Organogenesis
  • Cleavage
  • Gastrulation
  • Growth


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

182 of 536

Q.9 Which one of the followings is a gaseous plant hormone?

  • Ethylene
  • Gibberellin
  • IAA
  • Abscisic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

183 of 536

Q.10 To prevent over – ripening, bananas should be

  • given a dip in ascorbic acid
  • maintained at room temperature
  • refrigerated
  • stored at the top of refrigerator


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

184 of 536

Q.11 Growth in dorsiventral leaf is measured in terms of

  • length of leaf
  • increase in cell number
  • surface area increase
  • none of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

185 of 536

Q.12 Plants grow throughout their life due to

  • presence of meristems
  • presence of vascular cambium
  • presence of xylem and phloem
  • presence of tracheids


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

186 of 536

Q.13 Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

187 of 536

Q.14 The ability to regain or recover the lost or injured part of body is

  • Aging
  • Regeneration
  • Abnormal development
  • Primary inductio


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

188 of 536

Q.15 Which growth hormone accerlates the malting process in brewing industry?

  • Auxins
  • Gibberellins
  • Ethylene
  • Cytokinins


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

189 of 536

Q.16 Which plant growth regulator is the derivative of carotenoids?

  • Auxin
  • Gibberelic acid
  • Cytokinin
  • Abscisic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

190 of 536

Q.17 Typical plant growth shows _________ curve.

  • J-shaped
  • S-shaped
  • I-shaped
  • Parabolic


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

191 of 536

Q.18 Mobilisation of stored food in germinating seeds is triggered by

  • auxins
  • cytokinins
  • gibberellins
  • ethylene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

192 of 536

Q.19 Cavity formed between somatic and splanchnic mesoderm is called

  • Gastrocoele
  • Blastocoele
  • Coelom
  • Neurocoele


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

193 of 536

Q.20 IAA is naturally occurring plant hormone called

  • Gibberlin
  • Auxin
  • Cytokinin
  • Absicic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

194 of 536

Q.21 Auxin is synthesised from in apical meristem from amino acid

  • Isoleucine
  • Methionine
  • Niacin
  • Tryptophan


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

195 of 536

Q.22 Growth regulator which induces parthenocarpy

  • IAA
  • ABA
  • Cytokinin
  • Ethylene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

196 of 536

Q.23 Formation of seedless fruit without act of fertilisation

  • Parthenocarpy
  • pseudocarpy
  • Apomixis
  • Parthenogenesis


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

197 of 536

Q.24 The major site for production of gibberellin is

  • Embryos
  • Roots
  • Young leaves
  • All of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

198 of 536

Q.25 Gibberellin is isolated from

  • Brian et al
  • Went
  • Yabuta
  • Kurosawa


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

199 of 536

Q.1 Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

200 of 536

Q.2 Intercalary meristems are of

  • Permanent nature
  • Temporary nature
  • Some are permanent some temporary
  • None of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

201 of 536

Q.3 Cells of fibers and tracheids elongate during

  • Phase of cell division
  • Phase of cell elongation
  • Phase of cell maturation
  • Phase of cell differentiation


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

202 of 536

Q.4 Typical plant growth shows _________ curve.

  • J-shaped
  • S-shaped
  • I-shaped
  • Parabolic


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

203 of 536

Q.5 Exponential growth of the plants is express as W1 = W0 ert r represents

  • ability of the plant to produce new cells
  • efficiency index
  • relative growth rate
  • all of the above


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

204 of 536

Q.6 Opening of floral buds into flowers, is a type of:

  • Autonomic movement of variation
  • Autonomic movement of locomotion
  • Autonomic movement of growth
  • Paratonic movement of growth


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

205 of 536

Q.7 Which one is incorrect?

  • Epiblast is presumptive ectoderm and mesoderm
  • Hypoblast is presumptive endoderm
  • Hypoblast is presumptive mesoderm
  • Upper layer of cells in blastoderm is epiblast


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

206 of 536

Q.8 The stage of rapid cell division just after fertilization is

  • Organogenesis
  • Cleavage
  • Gastrulation
  • Growth


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

207 of 536

Q.9 Which one of the followings is a gaseous plant hormone?

  • Ethylene
  • Gibberellin
  • IAA
  • Abscisic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

208 of 536

Q.10 To prevent over – ripening, bananas should be

  • given a dip in ascorbic acid
  • maintained at room temperature
  • refrigerated
  • stored at the top of refrigerator


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

209 of 536

Q.11 Growth in dorsiventral leaf is measured in terms of

  • length of leaf
  • increase in cell number
  • surface area increase
  • none of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

210 of 536

Q.12 Plants grow throughout their life due to

  • presence of meristems
  • presence of vascular cambium
  • presence of xylem and phloem
  • presence of tracheids


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

211 of 536

Q.13 Mechanism of development was explained by

  • Hans Dietrisch
  • Spemann
  • Both a and b
  • Haemmerling


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

212 of 536

Q.14 The ability to regain or recover the lost or injured part of body is

  • Aging
  • Regeneration
  • Abnormal development
  • Primary inductio


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

213 of 536

Q.15 Which growth hormone accerlates the malting process in brewing industry?

  • Auxins
  • Gibberellins
  • Ethylene
  • Cytokinins


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

214 of 536

Q.16 Which plant growth regulator is the derivative of carotenoids?

  • Auxin
  • Gibberelic acid
  • Cytokinin
  • Abscisic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

215 of 536

Q.17 Typical plant growth shows _________ curve.

  • J-shaped
  • S-shaped
  • I-shaped
  • Parabolic


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

216 of 536

Q.18 Mobilisation of stored food in germinating seeds is triggered by

  • auxins
  • cytokinins
  • gibberellins
  • ethylene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

217 of 536

Q.19 Cavity formed between somatic and splanchnic mesoderm is called

  • Gastrocoele
  • Blastocoele
  • Coelom
  • Neurocoele


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

218 of 536

Q.20 IAA is naturally occurring plant hormone called

  • Gibberlin
  • Auxin
  • Cytokinin
  • Absicic acid


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

219 of 536

Q.21 Auxin is synthesised from in apical meristem from amino acid

  • Isoleucine
  • Methionine
  • Niacin
  • Tryptophan


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

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Q.22 Growth regulator which induces parthenocarpy

  • IAA
  • ABA
  • Cytokinin
  • Ethylene


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

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Q.23 Formation of seedless fruit without act of fertilisation

  • Parthenocarpy
  • pseudocarpy
  • Apomixis
  • Parthenogenesis


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Q.24 The major site for production of gibberellin is

  • Embryos
  • Roots
  • Young leaves
  • All of these


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

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Q.25 Gibberellin is isolated from

  • Brian et al
  • Went
  • Yabuta
  • Kurosawa


General ScienceBiologyBotanyClass 11thNEET UGNEET UG Preparation

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Q.1 R.Q is ratio of

  • CO2 produced to substarate consumed
  • CO2 produced to O2 consumed
  • oxygen consumed to CO2 produced
  • oxygen consumed to water produced


General ScienceBiologyBotanyClass 11thNEET UG &bu