Question # 1

Which factor is responsible for ecological imbalance.

Over hunting

Change in water supply

Migration

All these

------------- through the food chain is one of the most important functionsof an ecosystem in maintaining balance of nature.

Waisting of energy

Destroy fo energy

Transfer of energy

Produce of energy

--------occupy the b ase of pyramid.

Producers

Primary canivores

Herbivores

Top carnivores

Ozone is a layer of gases in ............. atmosphere of the Earth.

Upper

Lower

Middle

Inner

The organisms upon whihc a redator feeds are called.

Prey

Carnivores

Herbivores

Producers

The energy of the Sun in traped as chemical energy by.

Tertiary consumers

Primary consumers

Producers

Secondary consumers

General Science 8th Class English Medium Chapter 1 Online Test MCQs With Answers