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Crop production and management revision

Total questions: 18

Worksheet time: 10mins

Name
Class
Date
1.

WHICH OF THE FOLLOWING IS NOT A FERTILIZER?

a)

UREA

b)

NPK

c)

POTASH

d)

RHIZOBIUM

2.

Weeds can be defined as

a)

Useful plants present in the field

b)

Undesirable plants present in the field

c)

Plants that cannot be used at all

d)

Undesirable insects present in the field.

3.

What does NPK stand for?

answer choices

a)

Nutrients,

b)

Pancakes

c)

Kittens

d)

Nitrogen, Phosphorus, Potassium

4.

Which chemical controls weeds?

a)

Fungicide

b)

Pesticide

c)

Insecticide

d)

Herbicide

5.

Which chemical controls pests

a)

Fertiliser

b)

Pesticide

c)

Herbicide

d)

Fungicide

6.

The organic substance obtained from dead plants and animal wastes is

a)

Manure

b)

Fertilizer

c)

Irrigation

d)

Agriculture

7.

Weeds can be removed by using.

a)

Pesticides

b)

Fungicides

c)

Weedicides

d)

Bactericides

8.

Which of the following is rich in organic nutrients?

a)

Potash

b)

Ammonium Sulphate

c)

Urea

d)

Compost

9.

WHICH OF THE FOLLOWING IS NOT ECO FRIENDLY?

a)

VERMICOMPOST

b)

GREEN MANURE

c)

BIO FERTILIZER LIKE Rhizobium

d)

AMMONIUM SULPHATE

10.

The practice of leaving the field uncultivated is called ____________

a)

wheat

b)

harvesting

c)

fallowing

d)

weeding

11.

Supplying water to crops in the fields at specific intervals is called ________

a)

crop rotation

b)

fertilizing

c)

weeding

d)

irrigation

12.

Select the traditional system of irrigation from these.

a)

Sprinkler system

b)

Pulley system

c)

Drip irrigation

d)

Field fallow

13.

Name the method by which seeds are scattered in the field manually.

a)

Harvesting

b)

Broadcasting

c)

Logging

d)

Protecting

14.

The given image shows which step involved in crop production?

answer choices

a)

Threshing

b)

Retting

c)

removal of weeds

d)

Ginning

15.

Which of the following statements about fertilisers is correct?

answer choices

. in the long run..Fertilisers contain inorganic salts.

a)

Fertilisers increase the water-holding capacity of soil

b)

Fertilisers are weedicides

c)

Fertilisers contain decomposed matter

d)

fertilisers contains inorganic chemicals

16.

Urea is a _______________

a)

Manure

b)

Fertilizer

17.
Irrigation is an important part of crop production. Irrigation increases crop yield by
a)
increasing the dependence of crops on monsoons
b)
reducing the dependence of crops on monsoons
c)
increasing pest attacks on crops
d)
reducing pest attacks on crops
18.

Rhizobium bacteria in the root nodules of leguminous plants help in fixing:

a)

Oxygen

b)

Hydrogen

c)

Nitrogen

d)

Sulphur