Top 50+ Solved Ecosystem MCQ Questions Answer

From 1 to 14 of 14

Q. Why is algae placed in first place of food chain ?

a. Algae is first to synthesize food.

b. Algae is first to consume food.

  • a. Algae is first to synthesize food.

Q. In which of the following wheat eating pegions included ?

a. Decomposer

b. Primary consumer.

c. primary producers

d. secondary consumer.

  • b. Primary consumer.

Q. which of the following is placed in upper most (highest) level of ecological pyramids.

a. Herbivore

b. Carnivors

c. Primary and Secondary Producers.

d. Primary and Secondary consumer.

  • b. Carnivors

Q. As we proceed in food chain, bio-mass.....

a. Remain Same

b. Decreases

c. Increases

d. Initially same and later keep decreasing.

  • b. Decreases

Q. In ecosystem the source of energy is....

a. ATP

b. Sun

c. The Green plant

d. Sugar.

  • c. The Green plant

Q. Who is primary consumer of biotic community ?

a. Herbivores/ Grazing animal

b. Omnivores

c. Scavengers

d. Carnivores.

  • a. Herbivores/ Grazing animal

Q. In which of the following weeds are placed ?

a. Primary producer

b. Secondary consumer.

c. Primary consumer.

d. Decomposer.

  • a. Primary producer

Q. When does the energy flow start in an ecosystem ?

a. When material cycle starts

b. When sun rises

  • b. When sun rises

Q. which of the following option is correct for storage place phosphorus and nitrogen respectively ?

a. Consumer

b. Parental rock and environment

c. Environment and producers

d. Environment and parental rock

  • b. Parental rock and environment

Q. Which of the following is trophic level of the orchid staying on mango tree ?

a. First

b. Tertiary/ Third

c. Second

d. Fourth

  • a. First

Q. It is correct for ecosystem.......

a. ( Plants, Animals, Microorganisms) + Abiotic environment

b. Community formed by various species present in a particular region.

c. Animal, plants and micro- organisms.

d. Abiotic factors

  • a. ( Plants, Animals, Microorganisms) + Abiotic environment

Q. What is the original source of energy for the living organisms ?

a. Carbohydrate

b. Sun light

c. ATP

d. Lipid

  • b. Sun light

Q. In which of the following curd eating people are included ?

a. Producer

b. First ]1[s

c. Tertory 3[ ]rd

d. Second 2[ ]nd

  • a. Producer

Q. The functional efficiency of ecosystem is effected when decomposers are removed from it, because..

a. Energy flow will stop

b. Rest components decomposetion will become faster

c. Herbivous will not get sun light

d. Flow of nutrient will stop.

  • d. Flow of nutrient will stop.
  • 1 (current)
Subscribe Now

Get All Updates & News