1
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
The second stage of hydrosere is occupied by plants like
A
Vallisneria
B
Typha
C
Azolla
D
Salix
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
The rate of formation of new organic matter by rabbit in a grassland, is called :
A
Net productivity
B
Gross primary productivity
C
Secondary productivity
D
Net primary productivity
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Giiven below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels ? AIPMT 2012 Prelims Biology - Ecosystem Question 53 English
A
Level PC is "rats" and level SC is "cats"
B
Level PP is "phytoplanktons" in sea and "Whale" on top level TC
C
Level one PP is "pipal trees" and the level SC is "sheep"
D
Level PC is "insects" and level SC is "small insectivorous birds"
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following is not a functional unit of an ecosystem?
A
Energy flow
B
Decomposition
C
Productivity
D
Stratification
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