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Hydrolysis of starch occurs with the help of
Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 7 of Quiz-1447 (Que-ID : 3150)
Hydrolysis of starch occurs with the help of
- Peptidase
- Amylase
- Sucrose
- Lipase
Ans → (b)Amylase
Explanation → Amylase
This question is taken from this post → Biomolecules : Biology Revision Test (Class 11th) | MCQs for NEET - attemp/practice
More MCQs in - Biomolecules : Biology Revision Test (Class 11th) | MCQs for NEET
Q. 1 of Quiz-1447 (Que-ID : 3144)
Feedback inhibition of enzymes is affected by which of the following
- enzyme
- substrate
- end products
- intermediate end products
Q. 2 of Quiz-1447 (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. 3 of Quiz-1447 (Que-ID : 3146)
Insulin is made up of _______ and _______.
- glucose and fructose
- glucose and fructose
- fructose and mannose
- mannose and glucose
Q. 4 of Quiz-1447 (Que-ID : 3147)
Enzymes increase the rate of reaction by
- lowering activation energy
- increasing activation energy
- increasing temperature and pH
- decreasing temperature and pH
Q. 5 of Quiz-1447 (Que-ID : 3148)
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
Q. 6 of Quiz-1447 (Que-ID : 3149)
Which of the following is not a pyrimidine?
- Uracil
- Cytosine
- Guanine
- Thymine
Q. 7 of Quiz-1447 (Que-ID : 3150)
Hydrolysis of starch occurs with the help of
- Peptidase
- Amylase
- Sucrose
- Lipase
Q. 8 of Quiz-1447 (Que-ID : 3151)
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
Q. 9 of Quiz-1447 (Que-ID : 3152)
Which of the following influence feedback inhibition of enzyme?
- End product
- External factors
- Enzyme
- Substrate
Q. 10 of Quiz-1447 (Que-ID : 3153)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 11 of Quiz-1447 (Que-ID : 3154)
Inulin is made up of _______ and _______
- glucose and fructose
- glucose and fructose
- fructose and mannose
- mannose and glucose
Q. 12 of Quiz-1447 (Que-ID : 3155)
A protein having both structural and enzymatic traits is
- Collagen
- Trypsin
- Myosin
- Actin
Q. 14 of Quiz-1447 (Que-ID : 3157)
With reference to enzymes, which one of the following statements is true?
- Apoenzyme = Holoenzyme + Coenzyme
- Coenzyme = Apoenzyme + Holoenzyme
- Holoenzyme = Apoenzyme + Coenzyme
- Holoenzyme = Coenzyme – Apoenzyme
Q. 15 of Quiz-1447 (Que-ID : 3158)
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
Q. 16 of Quiz-1447 (Que-ID : 3159)
The fastest enzyme known is
- DNA polymerase
- carbonic anhydrase
- carbonic dehydrogenase
- DNA ligase
Q. 18 of Quiz-1447 (Que-ID : 3161)
The minimum amount of energy required to initiate a chemical reaction is called
- enzymatic energy
- activation energy
- substrate energy
- initiation energy
Q. 19 of Quiz-1447 (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. 20 of Quiz-1447 (Que-ID : 3163)
Nitrogenous bases present in DNA
- Adenine, guanine, cytosine, uracil
- Adenine, guanine, cytosine, thymine
- Adenine, thymine, uracil
- Guanine, uracil
Q. 21 of Quiz-1447 (Que-ID : 3164)
Metabolic intermediates found in living system which are essential for growth and life is called___________
- Saponins
- Tannins
- Secondary metabolite
- Primary metabolites
Q. 22 of Quiz-1447 (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. 23 of Quiz-1447 (Que-ID : 3166)
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
Q. 24 of Quiz-1447 (Que-ID : 3167)
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
Q. 25 of Quiz-1447 (Que-ID : 3168)
The most common monomer of carbohydrates is
- Sucrose
- Fructose
- Maltose
- Glucose
More MCQs In - Biology Zoology Class 11th NEET UG NEET UG Preparation
Q. 10 of Quiz- (Que-ID : 3178)
The main function of the skin of frog is
- the exchange of respiratory gases
- the storage of fat
- the storage of energy
- to convert light vitamin D
Q. 6 of Quiz- (Que-ID : 2949)
Control of gene expression takes place at the level of
- DNA-replication
- transcription
- translation
- none of the above
Q. 14 of Quiz- (Que-ID : 2657)
Solubility of CO2 is how many times higher than O2
- 10-15
- 30-40
- 20-21
- 20-25
Q. 4 of Quiz- (Que-ID : 2972)
Which among is the most toxic
- Ammonia
- Uric acid
- Urea
- None of the above
Q. 3 of Quiz- (Que-ID : 2746)
In adults insufficient thyroxine lead to
- Myxoedema
- Goitre
- Tetany
- Cretinism
Q. 4 of Quiz- (Que-ID : 3097)
The process of conversion of NO2– to N2 is called
- nitrification
- ammonification
- denitrification
- nitrogen fixation
Q. 18 of Quiz- (Que-ID : 2961)
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
Q. 2 of Quiz- (Que-ID : 3020)
Intercalary meristems are of
- Permanent nature
- Temporary nature
- Some are permanent some temporary
- None of these
Q. 17 of Quiz- (Que-ID : 2810)
Which layer is in contact with brain tissues?
- Piamater
- Arachnoid
- Duramater
- Piamater and Arachnoid
Q. 2 of Quiz- (Que-ID : 2770)
Taxonomic studies depends on
- Ecological information of organisms
- Structure of cell and development process of organisms
- External and internal structure of organisms
- All of the above
Q. 15 of Quiz- (Que-ID : 3033)
Which growth hormone accerlates the malting process in brewing industry?
- Auxins
- Gibberellins
- Ethylene
- Cytokinins
Q. 14 of Quiz- (Que-ID : 3207)
Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
Q. 19 of Quiz- (Que-ID : 3087)
Light reactions of photosynthesis occurs in
- stroma
- thylakoid
- grana
- cytoplasm of cell
Q. 20 of Quiz- (Que-ID : 3488)
Which of the following ecosystem has highest gross primary productivity
- Grassland
- Coral reefs
- Mangrooves
- Rainforests
Q. 5 of Quiz- (Que-ID : 3023)
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
Q. 24 of Quiz- (Que-ID : 3392)
Dragonflies are used to get rid of
- mosquitoes
- aphids
- butterfly caterpillars
- both (a) and (b)
Q. 16 of Quiz- (Que-ID : 3484)
Kanha National Park is famous for
- For Birds
- For Tendua
- For Tiger
- For Crocodile
Q. 11 of Quiz- (Que-ID : 3379)
Enzyme which has the fibrinolytic effect is
- protease
- amylase
- lipase
- streptokinase
Q. 22 of Quiz- (Que-ID : 3265)
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
- Annelida
- Mollusca
- Cnidaria
- Echinodermata
Q. 2 of Quiz- (Que-ID : 3245)
Sharks, skates, and rays are also called ______ fishes
- Jawless
- Bony
- Cartilaginous
- Freshwater
Q. 9 of Quiz- (Que-ID : 2802)
There are ______ pairs of cranial nerves arising from the brain.
- 8
- 12
- 18
- 25
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. 22 of Quiz- (Que-ID : 3948)
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. 5 of Quiz- (Que-ID : 3423)
Transgenic Bacteria is used in the making of following :
- Epinephrin
- Human Insullin
- Glutanin
- Thyroxin
Q. 8 of Quiz- (Que-ID : 2976)
Green glands/ antennal glands are excretory structures of which organism
- Earthworm
- Prawn
- Cockroach
- Planaria
Q. 2 of Quiz- (Que-ID : 2895)
After ovulation Graafian follicle regreses into
- corpus atresia
- corpus callosum
- corpus luteum
- corpus albicans
Q. 2 of Quiz- (Que-ID : 2820)
Which of the following options shows bisexual animals only?
- Amoeba, sponge, leech
- Sponge, cockroach, Amoeba
- Earthworm, sponge, leech
- Tapeworm, earthworm, honeybee
Q. 1 of Quiz- (Que-ID : 2994)
Golgi complex and endoplasmic reticulum cannot be seen during
- late telophase
- late prophase
- early anaphase
- late metaphase
Q. 19 of Quiz- (Que-ID : 3037)
Cavity formed between somatic and splanchnic mesoderm is called
- Gastrocoele
- Blastocoele
- Coelom
- Neurocoele
Q. 10 of Quiz- (Que-ID : 2703)
How many serially arranged units called vertebrae forms vertebral column
- 23
- 24
- 26
- 28
Q. 16 of Quiz- (Que-ID : 2784)
Two taxonomic species are distinguished by
- Their failure to interbreed
- Their ability to exchange gene freely
- Their similarity in morphological characters
- Discontinuity in a set of correlated characters
Q. 10 of Quiz- (Que-ID : 3153)
Which of the following is not a polysaccharide?
- Lactose
- Starch
- Glycogen
- Dextrin
Q. 1 of Quiz- (Que-ID : 2944)
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.
Q. 1 of Quiz- (Que-ID : 2969)
Which among the following is not ammonotelic
- Aquatic amphibian
- Aquatic insect
- Bony fishes
- Mammal
Q. 25 of Quiz- (Que-ID : 3243)
Placentation in tomato and lemon is
- Parietal
- Free central
- Marginal
- Axile
Q. 25 of Quiz- (Que-ID : 2868)
What is the function of filiform apparatus in an angiospermic embryo sac?
- Brings about opening of the pollen tube
- Guides the pollen tube into a synergid
- Prevents entry of more than one pollen tube into a synergid
- None of these
Q. 3 of Quiz- (Que-ID : 3071)
The primary carbon dioxide acceptor in C4 cycle is
- malic acid
- phosphoenol pyruvate
- rubisco
- aspartic acid
Q. 25 of Quiz- (Que-ID : 3068)
Most of the enzymes of the TCA cycle are present in
- Intermembrane space of mitochondria
- Mitochondrial matrix
- Inner membrane of mitochondria
- Cytoplasm
Q. 5 of Quiz- (Que-ID : 2998)
Karyokinesis is the term used for
- division of cytoplasm
- division of nucleoplasm
- division of nucleus
- separation of daughter chromosomes
Q. 1 of Quiz- (Que-ID : 2894)
Ovulation in the human female normally takes place during the menstrual cycle
- at the mind secretory phase
- just before the end of the secretory phase
- at the beginning of the proliferative phase
- at the end of the proliferative phase
Q. 2 of Quiz- (Que-ID : 3420)
By means of following Trans gene expression obtained:
- Inhibition of a Innate gene
- An occured Biosynthetic passway develop
- A protein occured with genotype expressed his desired
- None of the above
Q. 4 of Quiz- (Que-ID : 2872)
Hepatitis B is transmitted through
- blood transfusion
- intimate physical contact
- sexual contact
- all of these
Q. 19 of Quiz- (Que-ID : 2812)
Find the odd one.
- Schwann cells
- Nissl s granules
- nephrons
- synaptic knob
Q. 14 of Quiz- (Que-ID : 2707)
Which joint is present between carpal and metacarpal of thumb
- Saddle joint
- Pivot
- Hinge
- Condyloid
Q. 18 of Quiz- (Que-ID : 3511)
First National park developed in India is
- Gir
- Kaziranga
- Jim Corbett
- None of these
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