Genetics and Biotechnology CDS Questions

CDS Biology

Genetics and Biotechnology MCQ Questions


1.
A study of fossils in different sedimentary layers indicates the ________________ period in which they existed.
A.
Geological
B.
Biological
C.
Chemical
D.
Electrical
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ANSWER :
A. Geological
2.
_______________ support for evolution was during embryonic stage common to all vertebrates that are absent in adults.
A.
Chemical
B.
Embryological
C.
Geological
D.
Biological
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ANSWER :
B. Embryological
3.
A common permissible conclusion is that ________________ is not thousand of years as was thought earlier but billions of years old.
A.
Earth is Very Strong
B.
Earth is Very Aged
C.
Earth is Very Old
D.
Earth is Very High
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ANSWER :
C. Earth is Very Old
4.

What is the method of radioactive dating and the principles behind the procedure?

A.

Relative Dating Method

B.

Comparing the Amount of Radio Method

C.

Comparing the Amount of Radio Carbon

D.

Radioactive Isotope Method

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ANSWER :

D. Radioactive Isotope Method

5.
Moths that were able to ____________ themselves, i.e., hide in the background, survived.
A.
Camouflage
B.
Predators
C.
Stochastic
D.
Analogy
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ANSWER :
A. Camouflage
6.
The first non-cellular forms of life could have originated ________________ back would have been giant molecules. These capsules reproduced their molecules perhaps.
A.
3 Billion Years
B.
3 Million Years
C.
3 Thousands Years
D.
3 Hundred Years
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ANSWER :
A. 3 Billion Years