The two major functional components of an ecosystem are:
A. Energy flow and food chain
B. Mineral recycling and energy flow
C. Food chain and decomposers
D. Energy flow and decomposers
The driving force of the ecosystem is:
A. Carbohydrates in plants
B. Biomass
C. Solar energy
D. Producers
The pyramid of energy is always:
A. Inverted
B. Upright
C. Both of these/Horizontal
D. Inverted in forest ecosystem
The trophic level of lion is a forest ecosystem is:
A. T3
B. T4
C. T2
D. T1
In forest ecosystem, pyramid of number is:
A. Upright
B. Inverted
C. Any of the two
D. None of the above
Which of the following is non-renewable source of energy:
A. Mineral
B. Water
C. Forest
D. Solar energy
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
Which is a primary consumer?
A. Scavenger
B. Saprophyte
C. Carnivore
D. Herbivore
Tip of ecological pyramid is occupied by:
A. Herbivores
B. Carnivores
C. Producers
D. None of these
