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1.
Biotic community is the assemblage of populations of
2.
Ecology is the branch of biology which deals with interaction between
3.
Life history traits of organisms have evolved in relation to the constraints imposed by which components of habitat
4.
I. Salt concentration (parts par thousand) in sea water is ...A...
II. Salt concentration (parts per thousand) in hypersaline water is …B…
Choose the correct option for A and B
II. Salt concentration (parts per thousand) in hypersaline water is …B…
Choose the correct option for A and B
5.
B-horizon is also called
6.
The birth and death rates of four countries are given below. Which one will have the least population growth rate?
|
Country |
Birth rate / 1000 |
Death / 1000 |
|
M N O P |
15 25 35 48 |
5 10 18 41 |
7.
Plant grows best in the
I. acidic soil
II. basic soil
III. neutral soil
IV. slightly acidic soil
Choose the correct combination
I. acidic soil
II. basic soil
III. neutral soil
IV. slightly acidic soil
Choose the correct combination
8.
When food and space for a population are unlimited?
I. Each species has the ability to realize fully its inherited potential to grow
II. Then it is equal to dN/dt=dN
III. It is described by J-shaped curve
IV. It is described by S-shaped curve
V. Than it has greater intrinsic rate for resources
VI. There are more competition among themself
Choose the incorrect statements
I. Each species has the ability to realize fully its inherited potential to grow
II. Then it is equal to dN/dt=dN
III. It is described by J-shaped curve
IV. It is described by S-shaped curve
V. Than it has greater intrinsic rate for resources
VI. There are more competition among themself
Choose the incorrect statements
9.
Photosynthesis in 
is done by
is done by
10.
Choose the incorrect statements