Tip of ecological pyramid is occupied by:
A. Herbivores
B. Carnivores
C. Producers
D. Decomposers
Which of the following is an artificial ecosystem?
A. Rice-field
B. Forest
C. Grassland
D. Lake
Savannahs are:
A. Tropical rain forest
B. Desert
C. Grassland with scattered trees
D. Dense forest with close canopy
Source of energy in an ecosystem is:
A. Sun
B. ATP
C. Sugar made by plant
D. Green plant
A food chain has the following trophic levels:
A. 3 or 4
B. 3
C. 2
D. 1
In food chain initial organisms are:
A. Top consumers
B. Secondary consumers
C. Primary consumers
D. Photo synthesizers
Which type of the following ecological pyramids are never inverted?
A. Pyramids of number
B. Pyramids of energy
C. Pyramids of biomass
D. Pyramids of dry biomass
If bamboo plant is growing in a far forest then what will be its trophic level?
A. First
B. Second
C. Third
D. Fourth
Nektons are:
A. Organisms that swim in water
B. Floating plants
C. Suspended lower plants
D. Animals associated with plants
E. Algae
Read More: Agriculture MCQs and General Knowledge MCQs for all competitive exams test preparation.