Genetics and Evolution-Molecular Basis of Inheritance (NEET Biology): Questions 13 - 19 of 75

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Question number: 13

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

MCQ▾

Question

Which one of the following ratio is constant in DNAs of different species?

Choices

Choice (4) Response
a.

A + U/C + G

b.

A + T/C + G

c.

A + G/T + C

d.

A + C/U + G

Question number: 14

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

MCQ▾

Question

Feulgen reaction is a special test for

Choices

Choice (4) Response
a.

Protein

b.

RNA

c.

Carbohydrate

d.

DNA

Question number: 15

» Genetics and Evolution » Molecular Basis of Inheritance » DNA Replication

MCQ▾

Question

The most striking example of point mutation is found in a disease called

Choices

Choice (4) Response
a.

Night blindness

b.

Thalassemia

c.

Sickle-cell anaemia

d.

Down’s syndrome

Question number: 16

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

MCQ▾

Question

Which one of the following pair is correctly matched?

Choices

Choice (4) Response
a.

Francis Crick–Proposed one gene one polypeptide hypothesis

b.

Linus Pauling– Isolated the DNA for the first time.

c.

George Beadle– Proposed the concept of inborn errors

d.

Frederick Griffith– Discovered the phenomenon of transformation

Question number: 17

» Genetics and Evolution » Molecular Basis of Inheritance » Structure of DNA and RNA

MCQ▾

Question

At which site of a t-RNA molecular hydrogen bonds to a m-RNA molecule?

Choices

Choice (4) Response
a.

3’ end of the t-RNA molecule

b.

Codon

c.

Anticodon

d.

5’ end of the t-RNA molecule

Question number: 18

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

MCQ▾

Question

The regulatory genes are located

Choices

Choice (4) Response
a.

Along with the structural genes.

b.

At the end of structural genes.

c.

In the middle of structural genes.

d.

In between operator and the structural genes

Question number: 19

» Genetics and Evolution » Molecular Basis of Inheritance » DNA as Genetic Material

MCQ▾

Question

Which form of DNA is most heterogeneous?

Choices

Choice (4) Response
a.

mRNA

b.

hnRNA

c.

tRNA

d.

rRNA

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