CSS :: Ecology and General Silviculture
41.
The trophic level of lion is a forest ecosystem is:
Answer: Option B
Explanation:
42.
The pyramid of energy is always:
A.
Inverted
B.
Upright
C.
Both of these/Horizontal
D.
Inverted in forest ecosystem
Answer: Option B
Explanation:
43.
The driving force of the ecosystem is:
A.
Carbohydrates in plants
B.
Biomass
C.
Solar energy
D.
Producers
Answer: Option C
Explanation:
44.
In forest ecosstem, pyramid of number is:
A.
Upright
B.
Inverted
C.
Any of the two
D.
None of the above
Answer: Option D
Explanation:
45.
Which is a primary consumer?
A.
Scavenger
B.
Saprophyte
C.
Carnivore
D.
Herbivore
Answer: Option D
Explanation:
46.
The transfer of energy from organism to organism is a natural community establishes:
A.
Food chains
B.
Biological control
C.
Natural barriers
D.
All the above
Answer: Option A
Explanation:
47.
Which of the following is non-renewable source of energy:
A.
Mineral
B.
Water
C.
Forest
D.
Solar energy
Answer: Option C
Explanation:
48.
Tip of ecological pyramid is occupied by:
A.
Herbivores
B.
Carnivores
C.
Producers
D.
None of these
Answer: Option B
Explanation:
49.
If precise quantitative measurements are made on a convined ecosystem in a laboratory, we will find amounts of which of the following to be a one-way flow rather than cyclic?
A.
Carbon
B.
Potassium
C.
Nitrogen
D.
Free energy
Answer: Option D
Explanation:
50.
The decomposers in an ecosystem constitute the following trophic level:
Answer: Option C
Explanation:
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