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141.

Palmitic and Oleic acids are prominent fatty acids in insects and comprise:

A.	Over 40% of the total fatty acids	B.	Over 50% of the total fatty acids
C.	Over 60% of the total fatty acids	D.	Over 70% of the total fatty acids

142.

Paratylenchus projectus nematode has been found to cause considerable damage in red clover yield at nematodes/kg of soil:

A.	2?7	B.	8?13
C.	14?19	D.	20?25

143.

Peritrophic membrane is absent in:

A.	Orthoptera	B.	Isoptera
C.	Coleoptera	D.	Hemiptera

144.

Pest of maize belonging to family Crambidae:

A.	Chilo partellus	B.	Sesamia inferens
C.	Tanyrhecus indicus	D.	Mythimna separata

145.

Pest of paddy belonging to family Fulgoridae:

A.	Tryporyza incertulus	B.	Nilalparvata lugens
C.	Nephotettix apicalis	D.	Leptocorisa acuta

146.

Pest of sorghum belonging to order Diptera:

A.	Chilo partellus	B.	Rhopalosiphum maidis
C.	Bagrada cruciferarum	D.	Atherigona soccata

147.

Pest population that produces incremental damage equal to the cost of preventing the damage is:

A.	GEL	B.	PBL
C.	EIL	D.	ETL

148.

Pheromones are also known as:

A.	Antibiotics	B.	Ectohomones
C.	Hormones	D.	Attractants

149.

Pheromones are synthesized by:

A.	Thoracic glands	B.	Glandular epidermal cells
C.	Neuro-secretory cells	D.	All of the above

150.

Photate is a ______ insecticide:

A.	Systemic	B.	Contact plus systemic
C.	Contact	D.	Contact plus stomach