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161.

High yielding varieties of which crop cover maximum area?

A.	Wheat	B.	Paddy
C.	Maize	D.	Sugarcane

162.

High-yielding maize is obtained in regions where the atmospheric temperature during the growing season is:

A.	High during the day and low during the night	B.	High during the day and high during the night
C.	Low during the day and high during the night	D.	Low during the day and low during the night

163.

How many irrigation is required in wheat crop?

A.	6	B.	7
C.	4	D.	3

164.

How much area of nursery is needed for sowing of paddy?

A.	1/5 of total area	B.	1/10 of total area
C.	1/8 of total area	D.	1/16 of total area

165.

How much nitrogen will be supplied by 500 kg of Ammonium Sulphate?

A.	50 kg	B.	80 kh
C.	100 kg	D.	150 kg

166.

How much percent of khandsari can be obtained from gur refined?

A.	37.50%	B.	10.00%
C.	42.50%	D.	11.50%

167.

Hybrid maize should be fertilized with kg/ha of N + P2O5 + K2O, respectively:

A.	120 + 30 + 15	B.	80 + 40 + 20
C.	120 + 60 + 40	D.	120 + 30 + 30

168.

Hygroscopic water, which occurs as thin film held tenaciously around soil particles with a tension of 31 atmosphere or more, is:

A.	Readily available to plants	B.	Not available to plants
C.	Harmful to plants	D.	None of these

169.

If a crop requires some amount of nitrogen and phosphorus which of the following fertilizers, farmer should apply in his field:

A.	DAP	B.	Potassium Nitro-phosphate
C.	Urea and Ammonium phosphate	D.	Ammonium phosphate

170.

If an acid soil is limed to the pH level it enhances nitrrification:

A.	3.5 - 4.5	B.	5.5 - 5
C.	5.5 - 6.5	D.	6.5 - 7.5