ECOLOGY MCQs
1. Ecology deals with the
a) environment
b) living things
c) relationship between ling and non-living components
d) none of these
2. The energy pyramid in an ecosystem is …
a) always inverted
b) may be inverted
c) always upright
d) none of these
3. Aquatic ecosystem upper layer contains …
a) benthos
b) nekton and benthos
c) plankton and nekton
d) plankton
4. The natural place where the communities or organisms is …
a) habitat
b) niche
c) biome
d) none of these
5. Induction of flowers by cold treatment is effective in …
a) hot countries
b) tropical countries
c) cold countries
d) none of these
6. A mutual association beneficial for both the partner is …
a) mutualism/ symbosis
b) commensalism
c) amenasalism
d) none of these
7. Which wil not promote co-evolution?
a) mutualism
b) amensalism
c) commensalism
d) asymbiosis
8. Rooted submerged plants are known as …
a) lemna
b) hydrilla
c) typha
d) nymphea
9. Which one is an example of ambitious plants?
a ) leticels
b ) hydrilla
c) wollfia
d) polygonum
10. Marshy plants are known as …
a) hydrophytes
b) lemphocytes
c) helophytes
d) mesophytes
11. Deforestation will cause …
a) heavy rainfall
b) less rainfall
c) no rainfall
d) none of these
12. The main source of energy in the ecosystem is …
a) ATP
b) DNA
c) RDNA
d) sunlight