Genetics and Evolution-Molecular Basis of Inheritance (NEET Biology): Questions 20 - 25 of 75

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Question number: 20

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

MCQ▾

Question

Which one of the following is called polynucleotide joining enzyme?

Choices

Choice (4) Response

a.

Ligase

b.

Polymerase-I

c.

Polymerase-II

d.

Ribonuclease

Question number: 21

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

MCQ▾

Question

If the base sequence in one polynucleotide series of DNA is G-C-A-T-G, what shall be the sequence in the replicated complementary strand?

Choices

Choice (4) Response

a.

G-C-A-T-G

b.

A-T-G-C-G

c.

C-G-T-A-C

d.

G-C-A-T-C

Question number: 22

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

MCQ▾

Question

Replication of DNA is in

Choices

Choice (4) Response

a.

3’ → 5’ direction

b.

2’ → 5’ direction

c.

3’ → 5’ and 5’→ 3’ direction

d.

All of the above

Question number: 23

» Genetics and Evolution » Molecular Basis of Inheritance » Genome and Human Genome Project

MCQ▾

Question

The eukaryotic genome differs from the prokaryotic genome because

Choices

Choice (4) Response

a.

Repetitive sequences are present in eukaryotes.

b.

The DNA is circular and single stranded in prokaryotes.

c.

Genes in the former case are organized into operons

d.

The DNA is complexed with histones in prokaryotes

Question number: 24

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

MCQ▾

Question

Okazaki fragments are synthesized on

Choices

Choice (4) Response

a.

Lagging strands of DNA only.

b.

leading and lagging strands of DNA

c.

Complementary DNA

d.

Leading strands of DNA only.

Question number: 25

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

Match List-Ⅰ List-Ⅱ▾

Question

Which is not correctly matched?
List-Ⅰ (Enzymes) List-Ⅱ (Action)

(A)

Lipase

(i)

Breaks DNA strand into two segments

(B)

Isomerase

(ii)

Hydrolysis of fats

(C)

Polymerase

(iii)

Joining of similar substrate and management of substrate.

(D)

DNA ligase

(iv)

Chain elongation

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iv)
  • (i)
  • (iii)
  • (ii)

b.

  • (ii)
  • (iii)
  • (iv)
  • (i)

c.

  • (i)
  • (iv)
  • (ii)
  • (iii)

d.

  • (i)
  • (iv)
  • (iii)
  • (ii)

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