Natural Resourc...

Refer the given biogeochemical cycle and select the correct option regarding it.

In carbon cycle, the process responsible for bringing carbon into its living part is

Soil erosion by wind brings about a serious damage in soil by changing the__________.

State which of the following statements is correct and incorrect?

Aerosols having carbon and fluorine compounds are chiefly released by _______.

A simplified model of the carbon cycle is depicted.
X, Y and Z in the figure could represent.

Arrange the following in the descending order of their role in soil erosion
(I) Wind erosion
(ii) Chemical degradation
(iii) Physical degradation
(iv) Water erosion

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

(i) North-East India receives very little rain throughout the year, so we can say that climate in North-East India is hot and dry.
(ii) Thick layer of subcutaneous fat, thick skin and a dense feather cover in polar birds like penguins protect them from severe cold weather.
(iii) Polar animals need to conserve water due to water scarcity.
(iv) As we move higher up from sea level, temperature decreases.

In some big cities of India pollution  by sulphurdioxide($${SO}_{2}$$) and carbonmonoxide ($$CO$$) was increased by $$60$$%. From following what could be one of the reason

Ingredients of atmosphere present in minute quantities but essential for maintaining life on earth are