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11.

Which of the following soil is of ashy grey in colour?

A.	Brown earth	B.	Chernozems
C.	Tundra soil	D.	Podsols

12.

Which of the following is perennial weed?

A.	Goat weed	B.	Pig weed
C.	Black Jack	D.	Field bindweed

13.

Ratooning' is practised as a matter of routine in:

A.	Sugarbeet and sugarcane	B.	Sugarbeet and maize
C.	Sugarcane and napier grass	D.	Sugarcane only

14.

V' notch is a:

A.	Parshall flume	B.	Orifice
C.	Weir	D.	Submerged orifice

15.

Scientific name of Cogon grass is:

A.	Avena fatua	B.	Imperata cylindrica
C.	Paspalum conjugatum	D.	Portulaca oleracea

16.

Velocity of Gale is:

A.	62.4 to 73.6 km/hr	B.	50.4 to 54.8 km/hr
C.	88.2 to 90.4 km/hr	D.	104.2 to 112.8 km/hr

17.

Arrowing refers to:

A.	Flower primodia initiation in wheat	B.	Flowering of cotton
C.	Flowering of maize	D.	Flowering of sugarcane

18.

Boll shedding in cotton is due to:

A.	Plant is over loaded with bolls	B.	Inhibitory effect of ABA (Abscisic acid)
C.	Heavy dressing of urea	D.	Frequent irrigation

19.

Hot water treatment of sugarcane sets is done because:

A.	It increases germination	B.	It controls the seed borne diseases
C.	It breaks dormancy	D.	It promotes the conversion of sucreose into glucose

20.

In Instrument that indicates the direction of the wind is:

A.	Anemometers	B.	Hygrometer
C.	Evaporimeter	D.	Wind Vane