A. Usually primary consumers
B. Usually secondary consumers
C. Usually decomposers rather than consumers
D. Usually secondary or tertiary consumers
Related Mcqs:
- The transfer of energy from one trophic level to another is governed by the 2nd law of thermodynamics. The average efficiency of energy transfer from herbivores to carnivores is:
A. 25%
B. 50%
C. 10%
D. 5% - According to Lindemann, the percentage of net production passed on to carnivores is:
A. 28.6
B. 26.8
C. 22.6
D. 22.8 - Green plants constitute:
A. The first trophic level
B. The second trophic level
C. The third trophic level
D. The fourth trophic level - The number of producers and consumers in an ecosystem is mutually controlled by a:
A. Productivity control
B. Food chain mechanism
C. Feedback mechanism
D. Any of these - The phytoplanktonic forms of plants are:
A. Insectivorous type
B. Heterotrophs
C. Chemotrophs
D. Autotrophs - According to Lindemann, the total solar input in terms of gcal/cm2/year is:
A. 112,887
B. 118,872
C. 181,872
D. 112,788 - In desert grasslands, which type of animals are relatively more abundant?
A. Diurnal
B. Arboreal
C. Aquatic
D. Fossorial - In food chain, herbivores are:
A. Producer
B. Primary consumer
C. Secondary consumers
D. Decomposers - Decomposers are:
A. Autotrophs
B. Heterotrophs
C. Organotrophs
D. Auto heterotrophs - The Organic contents of soil are:
A. Humus
B. Mull
C. Peat and Much
D. All of the above
