Question 8
Find out the correct sentence about manure

(i) Manure contains large quantities of organic matter and small quantities of nutrients.

(ii) It increases the water holding capacity of sandy soil.

(iii) It helps in draining out of excess of water from clayey soil.

(iv) Its excessive use pollutes environment because it is made of animal excretory waste.

(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

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Solution

(b) (i) and (ii)

Manure - Manure are organic matter like animal wastes, humus and rotten vetables and fruits that are used to improve the fertility of the soil. They contain less nutrients compared to the artificial fertilizers and also improve the water holding capacity of soil.

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Question 8
Find out the correct sentence about manure

(i) Manure contains large quantities of organic matter and small quantities of nutrients.

(ii) It increases the water holding capacity of sandy soil.

(iii) It helps in draining out of excess of water from clayey soil.

(iv) Its excessive use pollutes environment because it is made of animal excretory waste.

(a) (i) and (iii)
(b) (i) and (ii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Q. Find out the correct sentences about manure.
(i) manure contains large quantities of organic matter and small quantities of nutrients
(ii) manure increase the water holding capacity of sandy soil.
(iii) manure helps in draining out of excess of water from clayey soil.
(iv) excessive use of manure pollutes environment because it is made of animal excretory waste

Q. Identify the correct statements about manure.
i) Manure contains large quantities of organic matter.
(ii) It increases the water-holding capacity of the soil.
(iii) Manure is produced synthetically.
(iv) Its excessive use pollutes the environment because it is made from animal wastes.

The water holding capacity is the highest in

(i) sandy soil

(ii) clayey soil

(iii) loamy soil

(iv) mixture of sand and loam

Q. Question 24
It is important to make small check dams across the flooded gullies because they
(i) hold water for irrigation
(ii) hold water and prevent soil erosion
(iii) recharge groundwater
(iv) hold water permanently.

(a) (i) and (iv)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (ii) and (iv)

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Standard IX Biology

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(b) (i) and (ii) Manure - Manure are organic matter like animal wastes, humus and rotten vetables and fruits that are used to improve the fertility of the soil. They contain less nutrients compared to the artificial fertilizers and also improve the water holding capacity of soil.

(b) (i) and (ii)

Manure - Manure are organic matter like animal wastes, humus and rotten vetables and fruits that are used to improve the fertility of the soil. They contain less nutrients compared to the artificial fertilizers and also improve the water holding capacity of soil.