1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

The peppered moth (Biston betularia), the black-coloured form becomes dominant over the light-coloured form of moth in England during industrial revolution. This is an example of

A
appearance of the darker-coloured individuals due to very poor sunlight
B
protective mimicry
C
inheritance of darker colour character acquired due to the darker environment
D
natural selection whereby the darker forms were selected
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

What is true about the isolated small tribal populations?

A
Wrestlers who develop strong body muscles in their lifetime pass this character on their progeny
B
There is no change in population size as they have a large gene pool
C
There is a decline in population as boys marry girls only from their own tribe
D
Hereditary diseases like colour blindness do not spread in the isolated population
AIIMS Subjects
EXAM MAP