Which one of the following changes may occur due to desertification?

(a) Decrease in atmospheric temperature.
(b) Increase in water holding capacity of soil.
(c) Increased chances of floods.
(d) Conversion of fertile land into a desert.

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Solution

(d) Conversion ( loss) of fertile land into a desert.

Desertificationis a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its water bodies as well as vegetation and wildlife.

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Q. Question 2
Which one of the following changes may occur due to desertification?

(a) Decrease in atmospheric temperature.
(b) Increase in water holding capacity of soil.
(c) Increased chances of floods.
(d) Conversion of fertile land into a desert.

Q.
Which one of the following changes may occur due to desertification?

(a) Decrease in atmospheric temperature.
(b) Increase in water holding capacity of soil.
(c) Increased chances of floods.
(d) Conversion of fertile land into a desert.

Q. Cutting down forests and using the land for other purposes is known as deforestation. It has adverse effects on the environment. Which of the following are correct regarding these effects?
(i) Decrease in soil erosion (ii) Increase in temperature (iii) Ground water level gets lowered (iv) Droughts and floods (v) Increase in water holding capacity of the soil

Which of the following is not a consequence of deforestation ?
(a) increase in soil erosion
(b) increase in earth's temperature
(c) decrease in rainfall
(d) decrease in floods

X is a human activity which will cause an increase in temperature of the earth's atmosphere leading to global warming. It can cause soil erosion making the soil infertile and lead to desertification. It can cause a decrease in rainfall but increase the flooding of rivers. It can also affect the water cycle and lead to the extinction of many wild species. What is X?

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Desertification

Standard IX Biology

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Which one of the following changes may occur due to desertification? (a) Decrease in atmospheric temperature. (b) Increase in water holding capacity of soil. (c) Increased chances of floods. (d) Conversion of fertile land into a desert.

(d) Conversion ( loss) of fertile land into a desert. Desertificationis a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its water bodies as well as vegetation and wildlife.

Which one of the following changes may occur due to desertification?

(a) Decrease in atmospheric temperature.
(b) Increase in water holding capacity of soil.
(c) Increased chances of floods.
(d) Conversion of fertile land into a desert.

(d) Conversion ( loss) of fertile land into a desert.

Desertificationis a type of land degradation in which a relatively dry land region becomes increasingly arid, typically losing its water bodies as well as vegetation and wildlife.