Question # 1

Th graphical epresentation of tropihic relationship oforaganisms in an ecosystem is called.

Choose an answer

Food Chian

Ecological pyramid

Trophic level

Predation

The astronauts were a specially designed suite called.

Choose an answer

Space appron

Space dress

Space suit

Space sheet

The weight of brain of an adult main is.

Choose an answer

1.5 kg

2.0 kg

2.5 kg

3.0 kg

An electric circuit is the path along whihc.

Choose an answer

Electron revolve around the nucleus of an atom

Electric charge flows.

Magnetic lines of force move

Electric motors move

Acid used as a dehydrating agent.

Choose an answer

Nitric Acid

Phosphoric acid

Sulphuric acid

Hydrochloric acid

All the food chains are joined together to form .....

Choose an answer

Food web

Ecologicla pyramid

Tropicla level

None of these

When light falls on transparent object such as air, water, glass ,etc. It passes through them unchanged, it is called.

Choose an answer

Absorption

Reflection

Transmission

Diffusion

The chemicla reaction during which a compound splits up into two or more simple substanes, is called.

Choose an answer

Additon reaction

Decomposition

Replacement reaction

Balanced reaction

Hubble telescope orbits the Earth at a height of about.

Choose an answer

550 km

560 km

500 km

600 km

Elements of group 17 are called.

Choose an answer

Carbon family

Noble gases

Nitrogen family

Halogen family

hardest matter on the Earth is.

Choose an answer

Lead

Diamond

Brick

Urea

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer