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141.

Calvin selected the green algae particularly adapted to studies dealing with the assimilation of CO2 are:

A.	Chlorella and Tropacolum	B.	Chlorella only
C.	Chlorella and Scenedesmus	D.	Elodea and Chlorella

142.

Cane killer weed of sugarcane crop is the name of:

A.	A weed	B.	An insect
C.	A disease	D.	None of them

143.

Carbon dioxide content in soil air is:

A.	0.03%	B.	0.00%
C.	0.25%	D.	0.50%

144.

Carotenoids:

A.	Are source of vitamin A	B.	Protect against photo-oxidation
C.	Absorb and transfer light energy to chlorophyll 'a'	D.	All of the above

145.

Cat face is a physiological disorder of:

A.	Cauliflower	B.	Chillies
C.	Tomato	D.	Potato

146.

Cation exchange capacity of soil is expressed as:

A.	Percentage	B.	Parts per million
C.	Millequivalent per 100 gm	D.	Milligram per 100 gm

147.

Cattle semen is frozen and stored for long periods in liquid nitrogen at temperature:

A.	?5?C	B.	?79?C
C.	?135?C	D.	?196?C

148.

Cause of deterioration of variety is:

A.	Mendelian variation only	B.	Mutation only
C.	Mechanical mixture only	D.	All of the above

149.

Certified seed is produced from:

A.	Foundation seed	B.	Registered seed
C.	Certified seed	D.	All of the above

150.

Characteristic of informal gardening:

A.	Uneven ground can be used	B.	It is study of space relation
C.	Least dominated by rules	D.	All of the above