(English Medium) ICSE Class 9 - CISCE Question Bank Solutions

Give reasons for the following

Silicates are the most common rock forming minerals.

Give reasons for the following

Rocks are of great economic significance.

Give reasons for the following

Man’s habitat is the biosphere and not the lithosphere in the true sense.

Distinguish between Intrusive and Extrusive Rocks

What local conditions produce variation in the Mediterranean Type of climate?

State the rainfall pattern in the Mediterranean climate.

What type of vegetation is found in the Mediterranean region?

Give a geographical reason for the following:

In the Mediterranean region of Europe, winds blow deep inside the land.

Bring out the chief characteristics of the Mediterranean type climate.

Differentiate between Mediterranean type climate and China type climate.

What caused the Bhopal gas tragedy?

What caused the Chernobyl disaster?

What were the after-effects of the Bhopal gas tragedy?

Explain how the accumulation of nutrients and chemicals in the water proves fatal for marine organisms.

With the help of a well labelled diagram explain how the accumulation of toxic substances increases as we move up the food chain.

State any two effects of soil pollution on human beings.

Explain with examples the effects of radiations on the environment and on humans.

What was the immediate and long term effects of the leakage of MIC gas from the Union Carbide’s pesticide factory in Bhopal?

What harm did radioactive pollution do in the Chernobyl disaster?

What Is the impact of toxic compounds on human beings?