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201.

Inflorescence of wheat ear is:

A.	Catkin	B.	Spike
C.	Corymbs	D.	Raceme

202.

International Rice Research Institute (IRRI) is situated in:

A.	Philippines	B.	Japan
C.	China	D.	Burma

203.

It has been estimated that a miize tassel produces at least _____ pollen grains for each kernel.

A.	5,000	B.	15,000
C.	25,000	D.	35,000

204.

It is an established fact that higher and more complex forms of plants and animals have evolved from:

A.	Recent and simpler forms	B.	Earlier and simple forms
C.	Recent and complex forms	D.	Xerophytic forms

205.

Which one of the following chemicals is used to induce polyploidy?

A.	Ethyl methane sulphonate	B.	Methyl methane sulphonate
C.	Colchicines	D.	Nitrous acid

206.

Johansen proposed:

A.	Theory of heterosis	B.	Pure line theory
C.	Male sterility	D.	Hybridization

207.

Kreb's cycle begins with:

A.	Glycogen	B.	Lysine
C.	Succinic acid	D.	Acetyl COA

208.

Later formed rocks show fossils of:

A.	Less complex and less advance types	B.	More complex and more advance types
C.	Simpler types	D.	Simpler and more recent types

209.

Leaf of the Mimosa is:

A.	Unipinnate	B.	Bipinnate
C.	Tripinnate	D.	Decompound

210.

Magnification of an object by electron microscope is:

A.	1,000 X	B.	1,00,000 X
C.	1,00,000 X	D.	More than 2,00,000 X