1
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
What is true about Nereis, scorpion, cockroach and silver fish?
A
They all possess dorsal heart.
B
None of them is aquatic.
C
They all belong to the same phylum.
D
They all have jointed paired appendages.
2
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of-
A
Trichoderma
B
Xanthomonas
C
Bacillus
D
Pseudomonas
3
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
Geometric representation of age structure is a characteristic of :-
A
Biotic community
B
Landscape
C
Ecosystem
D
Population
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The population of an insect species shows an explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?
A
The food plants mature and die at the end of the rainy season
B
The population of its predators increases enormously
C
Its population growth curve is of J-type
D
S-shaped or sigmoid growth of this insect
EXAM MAP