Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:

A. Mull
B. Mulch
C. Mycorrhizae
D. Muck

Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:

A. Soil amendment
B. Soil conditioner
C. Both a & b
D. None of the above

The forest soils have lower bulk density than agricultural soils because of their ______ content.

A. High organic matter
B. Low organic matter
C. Both a & b
D. None of these

Mouthparts of Sugarcane pyrilla are:___________?

A. Chewing
B. Siphoning
C. Biting
D. Sucking

Gurdaspur borer is a pest of_________?

A. Rice
B. Sugarcane
C. Wheat
D. Cotton

Which one is a non-convential oil seed crop?

A. Ground nut
B. Safflower
C. Gingelley
D. None of the above

Which one is most dangerous insect of cotton crop?

A. Spotted holl worm
B. Jassids
C. Both a & b
D. Pink ball worm

Which one of the following acid does not exists in gram leaves?

A. Puric acid
B. Sulphuric acid
C. Olic acid
D. Both b & c

Which one of the following crops is not cultivated under dry land farming?

A. Jowar
B. Ground nut
C. Sugarcane
D. All of the above

Which one of the following is a high salt tolerant crop?

A. Moong
B. Arhar
C.  both a & b
D. Lucerne