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301.

Retting is a process by which:

A.	The poor fibres stalk is sorted out	B.	The fibres in the bark get loosened and separated from woody stalk
C.	The good quality fibres are sorted out	D.	Fibres are differentiated into various retted groups

302.

Rock phosphate is treated with _______ to break the apatite bond and to render the contained phosphate more soluble:

A.	Acid alone	B.	Alali alone
C.	Heat alone	D.	Either acid or heat

303.

Rothamsted Agricultural Experiment Station, England was found by:

A.	J.B. Lawes	B.	J.H. Gilbert
C.	J.B. Lawes & J.H. Gilbert	D.	Lord Hastings

304.

Which of the following is the pre-requisite for multiple cropping?

A.	Irrigation facility	B.	Intensive use of fertilizers
C.	Availability of HYV	D.	All of the above

305.

Safflower can be grown as an intercrop with:

A.	Wheat	B.	Urdbean
C.	Maize	D.	Sorghum

306.

Safflower is a ________ season crop:

A.	Dry	B.	Summer
C.	Arid	D.	Cool

307.

Which of the following is the correct statement?

A.	Principle of agri-silviculture is similar to that of inter intercropping	B.	Principle of intensive cropping
C.	Principle of agri-silviculture similar to that of double cropping	D.	Principle for agri-silviculture is similar to that of mono-cropping

308.

Sannhemp belongs to the family:

A.	Laguminoseae	B.	Compositeae
C.	Liniaceae	D.	Tiliaceae

309.

Sannhemp should be planted at a distance of ______ cm to raise fibre crop:

A.	20 x 7 - 10	B.	25 x 5 - 7
C.	30 x 7 - 10	D.	30 x 5 - 7

310.

Seed Plot Technique of potato is used to produce:

A.	Insect-free seeds	B.	Nematode free seeds
C.	Virus free seeds	D.	Big size tubers