Question

Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary periods for different groups of organisms, includes

A. study of carbohydrates/proteins in fossils
B. study of the conditions of fossilization
C. electron spin resonance (ESR) and fossil DNA  
D. study of carbohydrates/proteins in rocks
Answer :   electron spin resonance (ESR) and fossil DNA

Releted MCQ Question on
Zoology >> Evolution

Releted Question 1

From his experiments, S.L. Miller produced amino acids by mixing the following in a closed flask

A. $$C{H_3},{H_2},N{H_4}$$   and water vapor at 800°$$C$$
B. $$C{H_4},{H_2},N{H_3}$$   and water vapor at 600°$$C$$
C. $$C{H_3},{H_2},N{H_3}$$   and water vapor at 600°$$C$$
D. $$C{H_4},{H_2},N{H_3}$$   and water vapor at 800°$$C$$
Releted Question 2

Flippers of Penguins and Dolphins are examples of

A. Convergent evolution
B. Industrial melanism
C. Natural selection
D. Adaptive radiation
Releted Question 3

Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?
(1) Darwin’s Finches of Galapagos islands.
(2) Herbicide resistant weeds.
(3) Drug resistant eukaryotes.
(4) Man-created breeds of domesticated animals like dogs.

A. (1) and (3)
B. (2), (3) and (4)
C. only (4)
D. only (1)
Releted Question 4

A population of a species invades a new area. Which of the following condition will lead to adaptive radiation?

A. Area with many habitats occupied by a large number of species
B. Area with large number of habitats having very low food supply
C. Area with a single type of vacant habitat
D. Area with many types of vacant habitats

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Evolution


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