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191.

Demand for necessary commodities is:

A.	Elastic	B.	Inelastic
C.	Zero elastic	D.	Infinite elastic

192.

Diplanetism in fungi refers to:

A.	Presence of sexual and asexual phases	B.	Presence of two types of sex hormones
C.	Presence of two compatible mating types	D.	Presence of two swimming periods with changes shape

193.

Dissociation of phosphorus pentachloride is favoured by:

A.	High temperature and high pressure	B.	High temperature and low pressure
C.	Low temperature and low pressure	D.	Low temperature and high pressure

194.

Dormancy due to condition within the dormant organ itself is called:

A.	Innate dormancy	B.	Imposed dormancy
C.	Induced dormancy	D.	None of above

195.

Downy mildew disease is caused by:

A.	Phytophthora	B.	Erysiphe
C.	Peronospora	D.	Cercospora

196.

Downy mildew of bajra is called by:

A.	Erysiphe graminis	B.	Claviceps purpurea
C.	Claviceps microcephala	D.	Sclerospora graminicola

197.

Downy mildew of bajra pathogen is parasite:

A.	Facultative	B.	Obligate
C.	Not serious	D.	None of above

198.

Dry and coarse are usually found at:

A.	High lands	B.	Low levels
C.	Flooded area	D.	Coastal area

199.

During photorespiration:

A.	No energy liberation occurs	B.	O2 is up taken
C.	CO2 is liberated	D.	All of the above

200.

During prophase-I of meiosis crossing over occurs at:

A.	Zygotene	B.	Pachytene
C.	Diplotene	D.	Diakinesis