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Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
General Science Biology Class 12th NEET UG NEET UG Preparation
Q. 16 of Quiz-1461 (Que-ID : 3409)
Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
- High lysin content
- Pest resistance
- High protien content
- High vitamin A content
Ans → (d)High vitamin A content
Explanation → It will help in High vitamin A content.
This question is taken from this post → Biotechnology: Principles and Processes - Biology (Class 12th) Revision Test | MCQs for NEET - attemp/practice
More MCQs in - Biotechnology: Principles and Processes - Biology (Class 12th) Revision Test | MCQs for NEET
Q. 1 of Quiz-1461 (Que-ID : 3394)
Biolistics (gene gun) is suitable for
- introducing rDNA into plant cells
- introducing rDNA into animal cells
- disarming the pathogen vectors
- DNA fingerprinting.
Q. 2 of Quiz-1461 (Que-ID : 3395)
In genetic engineering experiments, restriction enzymes are used for
- viral DNA
- bacterial DNA
- eukaryotic DNA
- any type of DNA.
Q. 3 of Quiz-1461 (Que-ID : 3396)
The DNA fragments produced by the use of restriction endonucleases can be separated by
- polymerase chain reaction
- gel electrophoresis
- density gradient centrifugation
- any of the above
Q. 4 of Quiz-1461 (Que-ID : 3397)
Plasmids in bacterial cells are
- extra-chromosomal DNA, which cannot replicate
- extra-chromosomal DNA, which can . self-replicate
- extra DNA associated with the genome
- extra DNA, associated with the genome, but cannot replicate.
Q. 5 of Quiz-1461 (Que-ID : 3398)
The DNA polymerase enzyme used in PCR is obtained from
- Thermus aquaticus
- Escherichia coli
- Agrobacterium tumefaciens
- Salmonella typhimurium
Q. 6 of Quiz-1461 (Que-ID : 3399)
While isolating DNA from bacteria, which of the following enzymes is not used?
- Lysozyme
- Ribonuclease
- Deoxyribonuclease
- Protease
Q. 7 of Quiz-1461 (Que-ID : 3400)
Significance of ‘heat shock’ method in bacterial transformation is to facilitate
- binding of DNA to the cell wall
- uptake of DNA through membrane transport proteins
- uptake of DNA through transient pores in the bacterial cell wall
- expression of antibiotic resistance gene
Q. 8 of Quiz-1461 (Que-ID : 3401)
Which of the following steps are catalysed by Taq polymerase in a PCR reaction?
- Denaturation of template DNA
- Annealing of primers to template DNA
- Extension of primer end on the template DNA
- All of the above
Q. 9 of Quiz-1461 (Que-ID : 3402)
Which of the given statement is correct in the context of observing DNA separated by agarose gel electrophoresis?
- DNA can be seen in visible light
- DNA can be seen without staining in visible light
- Ethidium bromide stained DNA can be seen in visible light
- Ethidium bromide stained DNA can be seen under exposure to UV light
Q. 10 of Quiz-1461 (Que-ID : 3403)
Restriction’ in Restriction enzyme refers to
- cleaving ofphosphodiester bond in DNA by the enzyme
- cutting of DNA at specific position only
- prevention of the multiplication of bacteriophage in bacteria
- all of the above
Q. 11 of Quiz-1461 (Que-ID : 3404)
The role of DNA ligase in the construction of a recombinant DNA molecule is
- formation of phosphodiester bond between two DNA fragments
- formation of hydrogen bonds between sticky ends of DNA fragments
- ligation of all purine and pyrimidine bases
- none of the above
Q. 12 of Quiz-1461 (Que-ID : 3405)
In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be
- both transformants and non-transformants cannot survive
- both transformants and non-transformants can survive.
- transformants only and not the non-transformants can survive
- transformants cannot survive, but non-transformants can not.
Q. 13 of Quiz-1461 (Que-ID : 3406)
DNA element with ability to change its position is called
- Cistron
- Transposon
- Intron
- Ricon
Q. 14 of Quiz-1461 (Que-ID : 3407)
Viral genome incroporatcd into host DNA is called:
- Prophase
- Protophage
- Bacteriophage
- None of these
Q. 15 of Quiz-1461 (Que-ID : 3408)
Triticale, first man made cereal crop, has been obtained by crossing wheat with:
- Rye
- Pearl millet
- Sugarcane
- Barley
Q. 16 of Quiz-1461 (Que-ID : 3409)
Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
- High lysin content
- Pest resistance
- High protien content
- High vitamin A content
Q. 17 of Quiz-1461 (Que-ID : 3410)
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from
- Plasmids
- AH prokaryotic cells
- Bacteriophages
- Bacterial cells
Q. 18 of Quiz-1461 (Que-ID : 3411)
Restriction endonuclease cuts
- One stand of DNA at specific site
- Both strands of DNA
- Both strands of DNA at any site
- Single strand of RNA
Q. 19 of Quiz-1461 (Que-ID : 3412)
Plasmid is a
- Fungus
- Plasmid
- Part of Plasma membrane
- Extra chromosomal DNA in bacterial cell
Q. 20 of Quiz-1461 (Que-ID : 3413)
Two microbes found tb be very useful in Genetic Engineering are
- Excherichia coli and Agrobacterium tumefaciens
- Vibrio cholarae and a tailed bacteriophage
- Diplococcus sp. and Pseudomonas sp.
- Crown gall bacterium and Caenorhabdities elegans
Q. 21 of Quiz-1461 (Que-ID : 3414)
DNA obtained for DNA finger printing:
- W.B.C
- Hair root cells
- Body fluids
- None of these
Q. 22 of Quiz-1461 (Que-ID : 3415)
Who discovered Restricted endonucleas enzymes?
- Smith and Nathane
- Baiger
- Waxman
- Fleming
Q. 23 of Quiz-1461 (Que-ID : 3416)
Two microbes found to be very useful in genetic, engineering are
- Escherichiya Coli and Agrobacterium tumefaciens
- Virbio chloerae and tailed bacteriophage
- Diplococcus sp and pseudomonas sp
- None of these
Q. 24 of Quiz-1461 (Que-ID : 3417)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 25 of Quiz-1461 (Que-ID : 3418)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
More MCQs In - General Science Biology Class 12th NEET UG NEET UG Preparation
Q. 24 of Quiz- (Que-ID : 3342)
Which of the following is affected by the infection of Wuchereria bancrofti ?
- Lymphatic vessels
- Respiratory system
- Nervous system
- Blood circulation
Q. 11 of Quiz- (Que-ID : 2779)
In angiosperm, characters of flowers are used in classification because
- Flowers are attractive
- Flowers are large
- Characters of flowers are conservative
- None of the above
Q. 24 of Quiz- (Que-ID : 2867)
The female gametophyte of a typical dicot at the time of fertilisation is
- 8 – celled
- 7 – celled
- 6 – celled
- 5 – celled
Q. 16 of Quiz- (Que-ID : 2985)
Which gland remove substances like sterols, hydrocarbons and waxes
- Pineal gland
- Pancreas
- Gall bladder
- Sweat glands
Q. 1 of Quiz- (Que-ID : 713)
Which Is Known As The Power House Of The Cell?
- Mitochondria
- Ribosome
- Nucleus
- Golgi apparatus
Q. 10 of Quiz- (Que-ID : 3203)
Which of the following is true about heartwood?
- They are dead but gives mechanical support to stem
- They are light in color
- They conduct water and minerals.
- 1 and 3
Q. 14 of Quiz- (Que-ID : 3357)
Artificial breeding of cattle is brough about by
- artiticial insemination
- super ovulation and embryo transplantation
- MOET
- all of these
Q. 15 of Quiz- (Que-ID : 2958)
In DNA strand, the nucleotides are linked together by
- glycosidic bonds
- phosphodiester bonds
- peptide bonds
- hydrogen bonds
Q. 23 of Quiz- (Que-ID : 2866)
Polygonum type of embryo sac is
- 8 – nucleate, 7 – celled
- 8 – nucleate, 8 – celled
- 7 – nucleate, 7 – celled
- 4 – nucleate, 3 – celled
Q. 11 of Quiz- (Que-ID : 2624)
Absorption of water in large intestine is done by
- Chief cells
- Haustra cells
- Parietal cell
- Peptic cell
Q. 7 of Quiz- (Que-ID : 2950)
Which was the last human chromosome to be completely sequenced ?
- Chromosome 1
- Chromosome 11
- Chromosome 21
- Chromosome X
Q. 11 of Quiz- (Que-ID : 3429)
Which Vitamin has been transferred to golden rice?
- Vit-B12
- Vit-A
- Vit-D
- Vit-C
Q. 13 of Quiz- (Que-ID : 3131)
If pressure greater than atmospheric pressure is applied to pure water, the water potential
- increases
- decreases
- remains same
- atmospheric pressure does not affect water potential
Q. 19 of Quiz- (Que-ID : 3187)
Which of the following helps in locomotion of earthworms?
- Clitellum
- Setae
- Intersegmental grooves
- Nephridiophores
Q. 20 of Quiz- (Que-ID : 2863)
Male and female flowers are present on different plants (dioecious) to ensure xenogamy, in
- papaya
- bottle gourd
- maize
- all of these.
Q. 18 of Quiz- (Que-ID : 3361)
In livestock breeding experiments, which of the following stages is transferred to surrogate mothers ?
- Unfertilised eggs
- Fertilised eggs
- 8 to 32 celled embryo
- Frozen semen
Q. 8 of Quiz- (Que-ID : 3301)
According to Lamarckism, long necked giraffes evolved because
- nature selected only long necked ones
- humans preferred only long necked ones
- short necks suddenly changed into long necks
- of stretching of necks over many generations by short necked ones.
Q. 19 of Quiz- (Que-ID : 3162)
Enzymes, vitamins and hormones are common in
- Enhancing oxidative metabolism
- Being synthesised in the body of organisms
- Being proteinaceous
- Regulating metabolism
Q. 2 of Quiz- (Que-ID : 2970)
Which among the following is not ureotelic
- Mammal
- Aquatic insect
- Terrestrial amphibian
- Marine fishes
Q. 22 of Quiz- (Que-ID : 2665)
Whose role in respiratory rhythm regulation is insignificant
- Co2
- O2
- Both a and b
- None of the above
Q. 5 of Quiz- (Que-ID : 2648)
Thoracic chamber is dorsally formed by
- Vertebral column
- Sternum
- Ribs
- Diaphragm
Q. 17 of Quiz- (Que-ID : 3410)
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from
- Plasmids
- AH prokaryotic cells
- Bacteriophages
- Bacterial cells
Q. 12 of Quiz- (Que-ID : 2805)
The function of vagus nerve innervating the heart is to
- Initiate the heart beat
- Reduce the heart beat
- Accelerate the heart beat
- Maintain constant heart beat
Q. 1 of Quiz- (Que-ID : 3194)
Quiescent centre is present in the
- apical meristem
- shoot meristem
- lateral meristem
- root meristem
Q. 10 of Quiz- (Que-ID : 3303)
“Human population grows in geometric ratio while food materials increase in arithmetic proportion”. It is a statement from
- Darwin
- Bateson
- AmartyaSen
- Malthus.
Q. 2 of Quiz- (Que-ID : 2895)
After ovulation Graafian follicle regreses into
- corpus atresia
- corpus callosum
- corpus luteum
- corpus albicans
Q. 24 of Quiz- (Que-ID : 3417)
Transgenic plants are develop by
- Introducing of foreign fenes
- Clone and genetically modified genes
- Genetic engineering
- Purified genes
Q. 2 of Quiz- (Que-ID : 2670)
Which among the following is not the major protein of plasma
- Fibrinogen
- Globulin
- Albumins
- Basophil
Q. 16 of Quiz- (Que-ID : 3234)
The arrangement of sepals or petals in floral bud is called
- Placentation
- Aestivation
- Bracteate
- Phyllotaxy
Q. 18 of Quiz- (Que-ID : 2936)
What can be the blood group of offspring when both parents have AB blood group ?
- AB only
- A, B and AB
- A, B, AB and O
- A and B only
Q. 2 of Quiz- (Que-ID : 3145)
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
Q. 15 of Quiz- (Que-ID : 3183)
Protein not found in the connective tissues is
- actin
- ossein
- collagen
- elastin
Q. 8 of Quiz- (Que-ID : 3376)
Which one of the following can be used as biofertiliser in cotton field ?
- Azolla-Anabaena
- Streptococcus
- Azospirillum
- Azotobacter chroococcum
Q. 7 of Quiz- (Que-ID : 3525)
Chlorofluoro carbon are responsible for
- Acid rain
- Ozone layer depletion
- Global warming
- Thermal inversion
Q. 10 of Quiz- (Que-ID : 3003)
what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?
- Autotetraploid
- Haploid
- Triploid
- Allotetraploid
Q. 4 of Quiz- (Que-ID : 3272)
The seedless vascular plants whose sporophytes are larger than their small and independent gametophytes are
- Pteridophytes
- Angiosperms
- Gymnosperms
- None of these
Q. 14 of Quiz- (Que-ID : 3307)
The Hardy-Weinberg principle cannot operate if
- a population does not migrate for a longtime to a new habitat
- frequent mutations occur in the population
- the population has no chance of interaction with other populations
- free interbreeding occurs among all members of the population
Q. 12 of Quiz- (Que-ID : 2905)
The function of the secretion of prostate gland is to
- inhibit sperm activity
- attract sperms
- stimulate sperm activity
- none of these.
Q. 22 of Quiz- (Que-ID : 3165)
Enormous diversity of protein molecules is due to
- R groups of amino acids
- Sequence of amino acids
- Peptide bonds
- Amino groups of amino acids
Q. 10 of Quiz- (Que-ID : 3128)
Which of the following is true about diffusion?
- There is no expenditure of energy
- Molecules move in Brownian motion
- Substances moves from the region of higher concentration to the region of lower concentration.
- Diffusion depends on the type of living system
Q. 10 of Quiz- (Que-ID : 3253)
Which one of the following phylum is characterized by absence of true coelom?
- Annelida
- Mollusca
- Echinodermata
- Nematoda
Q. 22 of Quiz- (Que-ID : 3440)
Anticoagulant hirudin is found in:
- In Snake
- In Lizard
- In Leech
- In Scorpion
Q. 12 of Quiz- (Que-ID : 3255)
Which kind of symmetry occurs in sea anemone?
- Bilateral
- Radial
- Asymmetry
- None of these
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