1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following is not a parasitic adaptation ?
A
Loss of digestive organs
B
Loss of unnecessary sense organs
C
Development of adhesive organs
D
Loss of reproductive capacity
2
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
The age pyramid with broad base indicates :
A
high percentage of young individuals
B
high percentage of old individuals
C
a stable population
D
low percentage of young individuals
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A biologist studied the population of rats in a barn, He found that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is :
A
15
B
05
C
10
D
zero
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A sedentary sea anemone gets attached to the shell lining of hermit crab. The association is :
A
Commensalism
B
Commensalism
C
Ectoparasitism
D
Symbiosis
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