[VSQ]SOIL SCIENCE, SET 5

SOIL SCIENCE

Q.1

Most dominant mineral on Earth crust.

Ans. 

Feldspars (48%).

Q.2

Major source of K.

Ans. 

Orthoclase.

Q.3

Chlorites are type of mineral.

Ans. 

2:1:1 type mineral.

Q.4

Recently formed soil order is.

Ans. 

Entisols.

Q.5

Black soils found in.

Ans. 

Maharashtra.

Q.6

R. Phaseoli is used for.

Ans. 

Phaseolus (beans).

Q.7

R. Japonicum is used for.

Ans. 

Glycine (Soyabean), Vigna (Cow pea), Arachis (Ground nut), Crotolaria.

Q.8

Azotobacter & Beijernckia are.

Ans. 

Aerobic bacteria.

Q.9

Anaerobic bacteria.

Ans. 

Clostridum.

Q.10

Azotobacter is used for the crops like.

Ans. 

Rice, cotton & Sugarcane.

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