The tides in the sea are primarily due to

• the atmospheric effect of the Earth

• the gravitational effect of Venus on the Earth

• the gravitational effect of the Sun on the Earth

• the gravitational effect of the Sun on the Earth

The impact of Green Revolution was felt most in the case of

• Wheat

• Rice

• Pulses

• Pulses

The source of energy that causes the least global warming is

• Coal

• Geothermal energy

• Natural gas

• Natural gas

The constellation 'Sapta Rishi' is known to Westerners as the

• Seven Monks

• Alpha Centauri

• Big Dipper

• Big Dipper

Which of the following region in India is now regarded as an 'Ecological Hot Spot'?

• Western Himalayas

• Eastern Himalayas

• Western Ghats

• Western Ghats

The Beaufort scale is used to measure

• Atomspheric Pressure

• Altitudes of mountains

• Wind Velocity

• Wind Velocity

What process takes place during the youthful stage of a river?

• Valley widening

• River rejuvenating

• Valley deepening

• Valley deepening

A broad, low embankment built up along the banks of a river channel during floods is called

• Delta

• Levee

• Flood Plain

• Flood Plain

Harvesting season of Kharif crop in India is

• January - March

• February - April

• September - October

• September - October

The outer most layer of Sun is known as

• Chromosphere

• Photosphere

• Radioactive zone

• Radioactive zone