Genetics and Evolution-Molecular Basis of Inheritance (NEET Biology): Questions 1 - 6 of 75

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 3146 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 700.00 or

Question number: 1

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

MCQ▾

Question

Operon is

Choices

Choice (4) Response

a.

A set of closely linked genes regulating metabolic pathways in prokaryotes.

b.

The sequence of nitrogen bases in mRNA which codes for a single amino acid.

c.

The sequence of three nitrogen bases determining a single amino acid.

d.

A segment of DNA specifying one polypeptide chain in protein synthesis.

Question number: 2

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

MCQ▾

Question

Which of the following is a base analogue?

Choices

Choice (4) Response

a.

Colchicine

b.

Nitrous acid

c.

5 – bromouracil

d.

Caffeine

Question number: 3

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

MCQ▾

Question

Which of the following is genetically inert and does not transcribe messenger RNA for protein synthesis?

Choices

Choice (4) Response

a.

DNA of euchromatin and heterochromatin

b.

DNA of euchromatin

c.

DNA of heterochromatin

d.

Question does not provide sufficient data or is vague

Question number: 4

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

MCQ▾

Question

Which form of RNA has a structure resembling clover leaf?

Choices

Choice (4) Response

a.

hn RNA

b.

m RNA

c.

r RNA

d.

t RNA

Question number: 5

» Genetics and Evolution » Molecular Basis of Inheritance » Transcription

MCQ▾

Question

Okazaki fragments are joined in correct sequence by

Choices

Choice (4) Response

a.

Primase

b.

DNA polymerase

c.

RNA polymerase

d.

DNA ligase

Question number: 6

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

MCQ▾

Question

Eukaryotes differ from prokaryotes in the mechanism of DNA replication due to

Choices

Choice (4) Response

a.

Discontinuous rather than semi-discontinuous replication.

b.

Unidirectional rather than bidirectional replication.

c.

Different enzymes (instead of same enzyme) for synthesis of lagging and leading strands.

d.

Use of DNA primers rather than RNA primers.

Sign In