DNA and Evolution [Subject SAT (College Board) Biology]: Questions 1 - 5 of 134

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Question number: 1

» DNA and Evolution

Edit
MCQ▾

Question

Choose the correct statement from the below given

Choices

Choice (5)Response

a.

The GC bonds are much resistant to denaturation then the AT rich regions.

b.

The coding strand is copied during RNA synthesis

c.

The two strands of DNA double helix run parallel to each other

d.

The common form of DNA is said to be left handed

e.

All of the above

Question number: 2

» DNA and Evolution

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MCQ▾

Question

In the illustration below, the strand with an is the

Image of the illustration

Image of the Illustration

Choices

Choice (5)Response

a.

Promoter

b.

Template

c.

Lagging strand

d.

Okazaki fragment

e.

Leading strand

Question number: 3

» DNA and Evolution

Edit
MCQ▾

Question

Which of the following statements is true about mutations?

Choices

Choice (5)Response

a.

Irreversible

AND

Rates tend to be very high in most populations.

b.

Generally lethal

c.

Only certain gene locations are affected.

d.

Source of genetic variation

e.

All a. , b. , c. and d. are correct

Question number: 4

» DNA and Evolution

Edit
MCQ▾

Question

The type of sugar in the DNA is

Nucleotide in DNA

Nucleotide in DNA

Choices

Choice (5)Response

a.

Hexose

b.

Triose

c.

Pentose

d.

Tetrose

e.

All of the above

Question number: 5

» DNA and Evolution

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Plasmids are single stranded extra chromosomal DNA.

Reason (Ꭱ)

Plasmids are possessed by eukaryotic cells.

Choices

Choice (5)Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Ꭺ is false but Ꭱ is true

e.

Both Ꭺ and Ꭱ are false

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