A biotic community comprises:
A.Plants only
B.Animals only
C.Plants and animals
D.Plants or animals
Category: Agriculture Ecology and General Silviculture Mcqs
The source of energy in an ecosystem is:
A.sugar stored in plants
B.Light received from the sun
C.Heat liberated during fermentation
D.Heat liberated during respiration
Nepenthes is a :
A.Primary producer
B.Consumer
C.Primary producer and consumer
D.None of the above
The decomposers in an ecosystem constitute the following trophic level:
A.T1
B.T3
C.T5
D.T4
Which is a primary consumer?
A.Scavenger
B.Saprophyte
C.Carnivore
D.Herbivore
The primary productivity is minimum in the following ecosystem:
A.Tropical rainforest
B.Temperate grassland
C.Tropical deciduous forest
D.Desert shrub
A crocodile had just eaten a lamb when a hawk saw the crocodile attacked it, and consumed it. The hawk is in ecological terms:
A.A producer
B.A primary consumer
C.A secondary consumer
D.A tertiary consumer
Each human couple should produce only two children which help in:
A.Checking pollution
B.Fertility of soil
C.Stabilizing the ecosystem
D.Improving food-web
Biome’ is:
A.A community of organisms interacting with one another
B.That part of the earth and its atmosphere, which inhabits living organisms
C.The flora on land
D.The flora in an ocean
Plants constitute the:
A.Third trophic level
B.Fourth trophic level
C.First trophic level
D.Second trophic level
