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141.

For urdbean, the suitable climate is:

A.	Hot and humid	B.	Cool and humid
C.	Cool and dry	D.	Hot

142.

For wetland rice the best nitrogenous fertilizer is:

A.	Urea	B.	Calcium nitrate
C.	Calcium ammonium sulphate	D.	Calcium ammonia nitrate

143.

Glutathion-s-transferase is responsible for selectivity of:

A.	Trizaines	B.	Substituted ureas
C.	Phenoxy herbicides	D.	Carbamates

144.

Grain to straw ratio in most of the Mexican wheat varieties is:

A.	1;1	B.	2;1
C.	3;1	D.	1;2

145.

Gravitational water is held in soil at a tension of:

A.	0.5 atmosphere	B.	Less than 1/3 atmosphere
C.	1.25 atmosphere	D.	5.0 atmosphere

146.

Green manuring of sannhemp adds approximately ______ kg N/ha to the soil on decomposition:

A.	20 - 40	B.	40 - 60
C.	60 - 80	D.	80 - 100

147.

Which one of the following crops has high transpiration ratio?

A.	Potato	B.	Cotton
C.	Sorghum	D.	Millets

148.

Groundnut pegs when developed in the soil from:

A.	Roots	B.	Stems
C.	Tubers	D.	Fruits

149.

Groundnut seed normally contains protein and oil _____ percent, respectively:

A.	25 and 45	B.	22 and 43
C.	45 and 26	D.	43 and 22

150.

Growing more than two crops in a year in the same field is known as:

A.	Mixed ropping	B.	Multiple cropping
C.	Relay cropping	D.	None of the above