EXERCISE : CHAPTER 4

Interdependence Among Living Organisms and the Environment

Many groups of different species living together in the same place is called

QUESTION 1

A. A habitat B. A population

C. A community

D. An ecosystem

A large herd of wild buffaloes were found in a grass land. These animals represent a

QUESTION 2

A. Population B. Community

C. Habitat D. Species

Biological control of pests involves

QUESTION 3

A. Natural predators that prey on the pests

B. Chemicals which cause diseases to the pests

C. Chemicals that kill the pests

D. Weapons to hunt down the pests

Which of the following interactions shows commensalism ?

QUESTION 4

A. Birds and worms

B. Paddy and grass

C. Shark and remora fish

D. Tapeworm and human intestines

City roads are flooded during a heavy rain. Which of the following human activities contributes to the occurrence ?

QUESTION 5

A. Open burning B. Uncontrolled hunting of wild animals

C. Use of chemical pesticides

D. Deforestation

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