DNA and Evolution [Subject SAT (College Board) Biology]: Questions 99 - 103 of 134

Access detailed explanations (illustrated with images and videos) to 824 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access & Unlimited Time!

View Sample Explanation or View Features.

Rs. 400.00 -OR-

How to register? Already Subscribed?

Question number: 99

DNA and Evolution
Edit

Question

MCQ▾

Weismann cut off tails of mice generation after generation however it neither get disappeared nor shortened proving that

Choices

Choice (5)Response

a.

Mutation theory is wrong

b.

Darwin was correct

c.

Lamarckism was erroneous in inheritance of acquired characters

d.

Tail is an essential organ

e.

None of the above

Question number: 100

DNA and Evolution
Edit

Question

MCQ▾

The most plentiful type of RNA of cell

Choices

Choice (5)Response

a.

tRNA

b.

hnRNA

c.

rRNA

d.

mRNA

e.

None of the above

Question number: 101

DNA and Evolution
Edit

Question

MCQ▾

What is adaptive radiation?

Choices

Choice (5)Response

a.

Evolution of different species from a common ancestor

b.

Adaptations due to geographical isolation

c.

Migration of members of a species to different geographical areas

d.

Power of adaptation in an individual to a variety of environments

e.

None of the above

Question number: 102

DNA and Evolution
Edit

Question

MCQ▾

Transcription of E. coli occurs in

Choices

Choice (5)Response

a.

four phases known as initiation, propagation, elongation and termination

b.

two phases known as initiation and termination

c.

three phases known as initiation, elongation and termination

d.

Question does not provide sufficient data or is vague

e.

None of the above

Question number: 103

DNA and Evolution
Edit

Question

MCQ▾

Which is not reliable with double helical structure of DNA?

Choices

Choice (5)Response

a.

A = T, C = G

b.

density of DNA dimisnish on heating

c.

A + T/C + G is not constant

d.

All of the above

e.

Question does not provide sufficient data or is vague