1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is correct?
A
Ontogeny repeats phylogeny.
B
There is no evidence of the existence of gills during embryogenesis of mammals.
C
Stem cells are specialized cells.
D
All plant and animal cells are totipotent.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The concept of chemical evolution is based on-
A
Crystallization of chemicals
B
Effect of solar radiation on chemicals
C
Possible origin of life by combination of chemicals under suitable environmental conditions
D
Interaction of water, air and clay under intense heat
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
When two species of different genealogy come to resemble each other as a result of adaptation, the phenomenon is termed:-
A
Microevolution
B
Convergent evolution
C
Co-evolution
D
Divergent evolution
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An important evidence in favour of organic evolution is the occurrence of-
A
Homologous organs onl
B
Homologous and vestigial organs
C
Homologous and analogous organs
D
Analogous and vestigial organs
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