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161.

Chloroplasts are absent in:

A.	Fungi	B.	Blue-green algae
C.	Photosynthetic bacteria	D.	All of the above

162.

Chorchorus capsularis belongs to family:

A.	Tiliaceae	B.	Malvaceae
C.	Euphorbiaceae	D.	Compositae

163.

Citrus gummosis is spread through:

A.	Air	B.	Insects
C.	Irrigation water	D.	Man

164.

Club root of crucifers is caused by:

A.	Colletotrichum	B.	Puccinia
C.	Plasmodiophora	D.	Sclerospora

165.

Conidia are the sources of inoculum in ergot of bajra:

A.	Primary	B.	Secondary
C.	Tertiary	D.	All of the above

166.

Conservation of rainwater by collecting run-off precipitation for supplemental irritgation is called:

A.	Moisture conservation	B.	Water harvesting
C.	Water collection	D.	Watershed management

167.

Contagious abortion in cow is caused by:

A.	Clostridium	B.	Streptococcus
C.	Brucella	D.	Entodinium

168.

Yellow coloured fruits and vegetables are rich source of:

A.	Vit. 'E'	B.	Vit. 'C'
C.	Vit. 'A'	D.	Vit. 'B'

169.

Conversion of nitrate nitrogen to molecular nitrogen is known as:

A.	Denitrification	B.	Nitrification
C.	Ammonification	D.	Nitrogen fixation

170.

Conversion of proteins into ammonia is called:

A.	Ammonification	B.	Nitrification
C.	Nitrogen fixation	D.	None of above