Evolution(Origin of life; Biological evolution and evidences for biological evolution from Paleontology, comparative anatomy, embryology and molecular evidence); Darwin’s contribution... NEET Questions

Biology - Genetics and Evolution

Evolution(Origin of life; Biological evolution and evidences for biological evolution from Paleontology, comparative anatomy, embryology and molecular evidence); Darwin’s contribution... MCQ Questions


13.
The sudden appearance of variations in organisms is explained by
A.
Mutation theory
B.
Natural selection
C.
Gene flow
D.
Genetic drift
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ANSWER :
A. Mutation theory
14.
The ‘RNA world’ hypothesis is related to the origin of
A.
Life
B.
Planets
C.
Atoms
D.
Organisms
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ANSWER :
A. Life
15.

The flippers of penguins and dolphins are examples of

NEET - 2018

A.

Homologous organs

B.

Analogous organs

C.

Vestigial organs

D.

Atavism

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ANSWER :

B. Analogous organs

16.
Which scientist proposed the theory of Panspermia?
A.
Miller
B.
Urey
C.
Richter
D.
Darwin
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ANSWER :
C. Richter
17.
The study of fossils is called
A.
Evolution
B.
Paleontology
C.
Embryology
D.
Paleontology
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ANSWER :
D. Paleontology
18.
Gene flow refers to
A.
Migration of genes between populations
B.
Mutation
C.
Natural selection
D.
Genetic drift
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ANSWER :
A. Migration of genes between populations