Question # 1

Green house gases is

Carbon di oxide

Methane

Oxides of nitrogen

All these

A symbiotic relationship in whihc both speciesl get benefit is called.

Commensalism

Hebitate

Mutualism

Symbiosis

During the combustion of fossil fuel. Which gas is ener the atmosphere.

Nitrogen

Oxygen

Carbon di oxide

Hydrogen

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

Upper

Lower

Middle

Inner

Organism in ecologicla communits interact with one anothe rin....... major ways.

Two

three

Four

Five

A relationship where two species live togetehr closely is called.

Mutualism

Commensalism

Symbiosis

Hebitate

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