During a thunderstorm, the thunder in the skies is produced by the

1. meeting of cumulonimbus clouds in the sky

2. lightning that separates the minbus clouds

3. violent upward movement of air and water particles

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Which of the following statements regarding Iaterite soils of India are correct?

1. They are generally red is colour.

2. They are rich in nitrogen and potash.

3. They are well –developed is Rajasthan and UP.

4. Tapioca and cashew nuts grow well on these soils

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Which of the following is / are unique characteristic / characteristics of

equatorial forests?

 1. Presence of tall closely set trees with crowns forming a continuous canopy

2. Coe

xistence of a large number of species

3. Presence of numerous varieties of epiphytes

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In which of the following States is lion - tailed macaque found in its natural habitat?

1. Tamil Nadu 2. Kerala

3. Karnataka 4. Andhra Pradesh

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In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion