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291.

I have observed a stained preparation of section of leaf under the microscope, the above statement is relate to:

A.	Ecology	B.	Histology
C.	Physiology	D.	Genetics

292.

IAA (Indole-3-Acetic Acid) belongs to which group of plant hormone:

A.	Auxin	B.	Gibberellin
C.	Cytokinin	D.	None of these

293.

IBRD is synonyms to:

A.	World Bank	B.	Asian Development Bank
C.	International Monetary Fund	D.	World Trade Organization

294.

Which one is the recommended optimum plant population for hybrid maize?

A.	40 - 50 thousands per hectare	B.	50 - 60 thousands per hectare
C.	60 - 70 thousands per hectare	D.	70 - 80 thousands per hectare

295.

Identify plant micronutrient:

A.	Hydrogen	B.	Sulphur
C.	Boron	D.	Magnesium

296.

Which one is the egg parasite?

A.	Trichogrmma minutum	B.	Apanteles flavipes
C.	Pyrilla perpusilla	D.	Coccinella septumpunctata

297.

If n inbreds were to be tested in all possible single cross combinations, there would be ______ single crosses.

A.	n (n-1)/2	B.	n2/2
C.	n(n-2)/2	D.	n(n+1)/2

298.

Required water to be raised or lifted from its source to the field is called:

A.	Lift irrigation	B.	Flow irrigation
C.	Sprinkler irrigation	D.	Drip irrigation

299.

If the Marginal Product is more than Marginal Cost, than further investment in production is:

A.	Profitable	B.	Harmful
C.	No effect	D.	Equal

300.

If the soil contains 280 to 500 kg nitrogen per hectare than it is called ______ in available nitrogen:

A.	High	B.	Low
C.	Medium	D.	Very high