Gentics and Evoloution MCQ question and answer with solution

1

If the blood group of one parent is AB and that of the other O, the possible blood group of their child would be

A) A or B B) A or B or O C) A or AB or O D) A or B or AB or O

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Answer & Solution

Answer: Option A

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2

Assertion (A) The genetic composition of an organism is called genotype.
Reason (R) Genotype is the set of hereditary genes of an organism

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is true, but R is false D) A is false, but R is true

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Answer & Solution

Answer: Option A

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3

Artificial polyploidy has been brought about by

A) Temperature treatment B) Decapitation C) Chemical treatment D) All of the above

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Answer & Solution

Answer: Option D

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4

The phrase 'Survival of the fittest' as a way of describing the mechanism of natural selection was coined by

A) Loius Pasteur B) Charles Babbage C) Herbert Spencer D) Marie Curie

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Answer & Solution

Answer: Option C

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5

The entire RNA polymerase enzyme (holozyme) consists of

A) A core enzyme and a rho (ρ) factor B) A rho (ρ) factor and a sigma (σ) factor C) A core enzyme and a sigma (σ) factor D) A sigma (σ) factor and a psi (ψ) factor

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Answer & Solution

Answer: Option C

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6

The A form of DNA has which of the following numbers of base pairs?

A) Eleven B) Twelve C) Ten D) Zero

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Answer & Solution

Answer: Option A

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7

The most commonly used enzymes for the purpose of degrading cell wall include

A) Lactase B) Hemicellulase C) Dehydrogenase D) Both A and C

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Answer & Solution

Answer: Option B

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8

A contemporary of Charles Darwin who came to the same conclusion in the matter of organic evolution, was

A) Jean Baptist Lamarck B) Thomas Huxley C) Alfred Russel Wallace D) Franklin Benjamin

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Answer & Solution

Answer: Option C

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9

The most ancient and oldest unmetamorphosed sedimentary terrestrial rocks that contain the fossils of micro-organisms belong to the

A) Swaziland system of South Africa B) Bulawayo system of South Rhodesia C) Shale system of peninsular Michigan D) None of the above

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Answer & Solution

Answer: Option A

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10

Theory of natural selection was given by

A) Lamarck B) Darwin C) Alfred Wallace D) JBS Haldane

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Answer & Solution

Answer: Option B

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Gentics and Evoloution MCQ question and answer with solution | Biology Gk MCQs