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241.

For biological control of tomato fruit borer, the idea trap crop is:

A.	Marigold	B.	Mustard
C.	Tobacco	D.	Garlic

242.

For foundation seed production colour tag is used in the fields is:

A.	White	B.	Buff
C.	Blue	D.	None of above

243.

For improving self-pollinated crops, hybridization leads to:

A.	Pedigree method	B.	Buld method
C.	Back cross method	D.	All of the above

244.

For most of the buffaloes breeding season is:

A.	October - February	B.	March - June
C.	July - September	D.	Throughout the year

245.

For obtaining haploid plant _____ is useful:

A.	Maltiplication stage of a variety	B.	Level of genetic purity
C.	Level of physical purity	D.	All of the above

246.

For proper storage wheat grain should contain moisture _____ percent:

A.	0 - 5	B.	5 ? 10
C.	10 ? 14	D.	14 ? 18

247.

For the calibration of other pressure gauges in laboratory we use:

A.	Inverted differential manometer	B.	Differential manometer
C.	Dead weight pressure gauge	D.	All of the above

248.

For the incorporation of a disease resistance gene in an otherwise agronomically superior variety, the breeding method to be employed is:

A.	Pedigree method	B.	Backcross method
C.	Mass selection method	D.	Mass pedigree method

249.

For trellis culture of tomato most suited variety belongs to:

A.	Indeterminate group	B.	Determinate group
C.	Simple raceme group	D.	All of the above

250.

Foundation seed is obtained from:

A.	Certified seed	B.	Registered seed
C.	Farmer's seed	D.	Breeder seed