CBSE Class 8 Science Worksheet
Crop Production and Management
1.
State True or False: Excess use of fertilizers is not good for crop and soil.
A)
true
B)
false
2.
crops classification is based on
A)
crop size
B)
rotation of earth
C)
season
D)
none of the above
3.
musturd and linseed are___
A)
zaid crops
B)
kharif crops
C)
rabi crops
D)
all of the above
4.
In agriculture ,broadcasting is used for
A)
Ploughing the fields
B)
rotating the crops
C)
removing the weeds
D)
sowing the seeds
5.
Which of the following can't tolerate standing water?
A)
Cotton
B)
Groundnut
C)
Wheat
D)
None of these
6.
Write some examples of fertilizers.
7.
Which of the following is not a kharif crop ?
A)
PADDY
B)
MUSTARD
C)
MAIZE
D)
GROUNDNUT
8.
Fill in the Blank: ______________ is a device to spread seeds in soil.
9.
State True or False: Fertilizers are environmental friendly.
A)
true
B)
false
10.
State True or False: Crop rotation helps the soil replenishing with nutrients.
A)
true
B)
false
11.
Fill in the Blank: Weed commonly found in rice is _____________.
12.
Which of the following helps in penetration of roots of growing plants?
A)
sowing
B)
ploughing
C)
reaping
D)
None of these
13.
What is the use of pumps in agriculture?
14.
Fill in the Blank: _________________ is the economical method of irrigation.
15.
State True or False: All crop plants are sown as seeds in the field.
A)
true
B)
false
16.
Choose the correct answer: Propagation of ginger is generally done using ___________.
A)
root
B)
leaf
C)
stem
D)
seed
17.
State True or False: Chenopodium is the weed commonly found in wheat fields.
A)
true
B)
false
18.
Choose the correct answer: Planting of seeds is called ___________.
A)
harvesting
B)
reaping
C)
irrigation
D)
sowing
19.
Which of the following crops would enrich the soil with nitrogen ?
A)
apple
B)
pea
C)
paddy
D)
potato
20.
why does the loosening of soil allows roots to breathe easily?
A)
it helps in watering plants
B)
it helps in harvesting
C)
it makes roots small
D)
it helps in growth of microbes and earthworms
CBSE Class 8 Science Worksheet
Crop Production and Management
Answers
1.
Option A
2.
Option C
3.
Option C
4.
Option D
5.
Option C
6.
Urea, ammonium sulphate, super phosphate, potash, NPK.
7.
Option B
8.
Seed drill
9.
Option B
10.
Option A
11.
Amaranthus
12.
Option B
13.
It is commonly used to lift water.
14.
Drip irrigation
15.
Option B
16.
Option C
17.
Option A
18.
Option D
19.
Option B
20.
Option D
