Gentics and Evoloution MCQ question and answer with solution

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Each section contains 100 MCQs on Gentics and Evoloution .

Archaeopteryx' is a connecting link between which of the following classes of animal?

A) Amphibia and Aves B) Reptilia and Aves C) Reptilia and Mammalia D) Aves and Mammalia

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The initial concept of a mechanism for regulation of gene expression, was generated by

A) Watson and Crick B) Beadle and Tatum C) Jacob and Monod D) Wilhman and Thomas

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Who synthesised the DNA in vitro?

A) Arthur Kornberg B) Robert Hooke C) Edward Jenner D) Joseph Lister

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Limbs of frog, lizard, bird and human are examples of . . . . . . . . organs.

A) homogenous B) heterogenous C) analogous D) homologous

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Whenever two members of an allelic series are crossed, it is found that their F₂ generation always contains homozygous dominant, heterozygous and homozygous recessive in the ratio of

A) 1 : 3 : 1 B) 1 : 2 : 1 C) 1 : 1 : 1 D) 9 : 3 : 4

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Mutagens are

A) chemical agents which cause change in DNA B) physical agents which cause mutation C) cancer producing agents D) Both A and B

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Chain termination during protein synthesis is brought about by which of the following?

A) Codons B) Anti codons C) Rho factor (ρ) D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The starting amino acids in eukaryotes and prokaryotes are, respectively,

A) Leucine and Threonine B) Phenylalanine and N-forrnylmethionine C) Methionine and N-formylmethionine D) Methionine and phenylalanine

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The sugar present in DNA is

A) pentose B) xylulose C) hexose D) heptulose

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Mendel's principles of inheritance are based on

A) vegetative reproduction B) asexual reproduction C) sexual reproduction D) All of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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