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41.

A physical or chamical agent that frees plant, organ or tissue from infection is a:

A.	Antiseptic	B.	Deodorant
C.	Disinfectant	D.	Germicide

42.

A process of initiating a conscious and purposeful action is called:

A.	Motivation	B.	Education
C.	Coordination	D.	Action

43.

A porous soil or geological formation, which will yield sufficient quantifies of water, is called:

A.	Well	B.	Aquifer
C.	Both (a) and (b)	D.	None of the above

44.

A proteinproduced by living cells of microorganism, plants and annimals that can catalyze specific organic reaction is known as:

A.	Hormone	B.	Enzyme
C.	Catalyst	D.	None of the above

45.

A recessive gene for resistance to disease can be transferred from one parent to another using:

A.	Pureline selection	B.	Backcross breeding
C.	Pedigree method	D.	Buld method

46.

A short duration crop in between two main seasonal crops is termed as:

A.	Cash crop	B.	Inter crop
C.	Companion crop	D.	Catch crop

47.

A single seed plant of tobacco may produce as many as:

A.	1,000 seeds	B.	10,000 seeds
C.	1,00,000 seeds	D.	2,00,000 seeds

48.

A spherical particle embedded in the phospholipoprotein of thylakoid lamellae is known as:

A.	Granule	B.	Quantosome
C.	Both (a) and (b)	D.	Bone of these

49.

A symbiotic association of fungus with subterranean part of a plant is said to be:

A.	Ectophyte	B.	Endophyte
C.	Mycorrhiza	D.	Parasite

50.

A useful pruning practice to produce large quantities of foliage close to ground level for fodder species or for leaf extract product is called:

A.	Coppicing	B.	Pollarding
C.	Lopping	D.	Thinning