The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

A fertiliser plant is classified as a gas based fertiliser plant, when it uses __________ gas as a source of hydrogen for the manufacture of ammonia.

A

Coke oven

B

Producer

C

Natural

D

Coal

NPK fertiliser is a __________ fertiliser.

A

Complex

B

Mixed

C

Nitrogenous

D

Phosphatic

Fertiliser value of a nitrogeneous fertiliser is expressed in terms of its __________ content.

A

N₂

B

KNO₃

C

NO₂

D

NHO₃

The most commonly used chemicals in the artificial rainmaking or cloud seeding are

A

Silver Iodide (AgI)

B

Sodium Chloride (NaCl)

C

Dry Ice (Frozen CO2)

D

All of the above

The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

A

Silver Iodide

B

Sodium Chloride

C

Dry ice or frozen carbon dioxide

D

All the above

pH value of soil is maintained at __________ by the addition of fertiliser for optimum growth and health of the plant.

A

4-5

B

7-8

C

9-10

D

12-13

Of the fruit that arrives at a cannery, 20 percent by weight is rejected before processing. Of the fruit that is processed, 15 percent by weight is rejected be fore canning. Of the fruit that arrives at the cannery, what percent by weight is canned?

A

32%

B

35%

C

65%

D

68%

Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?

A

20 kg

B

30 kg

C

35 kg

D

40 kg

The chemical used for cloud seeding for artificial rains is

A

Silver Nitrate

B

Potassium Bromide

C

Silver Iodide

D

Potassium Nitrate

__________ is the most suitable fertiliser for paddy.

A

Urea

B

Ammonium sulphate

C

Superphosphate

D

Potassium nitrate

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is __________ fertiliser.

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