Production and Management
Q1. Fill in the blanks.
The same kind of plants grown and
cultivated on a large scale at a place is called crop.
The first step before growing crops is preparation
of the soil.
Damaged seeds would float on top of
For growing a crop, sufficient sunlight and
nutrients and water from the soil are essential.
The removal of weeds is called weeding.
Weeds are also controlled by using certain
chemicals, called weedicides.
‘Combine’ is in fact a combined harvester
and thresher. True
A seed drill is also used to uproot weeds. True
We get our food only from plants. False
Pumps are commonly used for lifting water. True
The fresh crop has less moisture. False
Dried neem leaves are used for storing food
grains at home. True
Q3. Give few examples of weedicides.
Q4. Name the bacteria which fix atmospheric nitrogen.
Q5. What is called weeding?
Ans. The removal of weeds is called weeding.
Q6. Name the tool used for tilling of soil.
of soil is done by using a plough.
Q7. How are crumbs broken?
are broken with the help of plank.
Q8. Write 2 natural methods of replenishing the soil with
1. Use of manure 2. Crop rotation
Q9. How is levelling of soil done?
levelling of soil is done with the help of a leveller.
Q10. What are the two ways of sowing the seeds?
Seeds can be sown manually or by seed drills.
Q11. How is ploughing done nowadays?
ploughing is done by tractor driven cultivator.
Q12. What is sowing?
Sowing is the process of planting seeds in the soil.
Q13. Name two categories of crops based on season.
Two categories of crop based on season are kharif and rabi crops.
Q14. What is threshing?
of the grains from the chaff is called threshing.
Q15. How are grains stored at home?
Dried neem leaves are used for storing food grains at home.
Q16. What are called crumbs?
ploughed field may have big pieces of soil called crumbs.
Q17. Why is it important to level the field after ploughing?
field is levelled for sowing as well as for irrigation purposes.
Q18. What are good quality seeds?
Good quality seeds are clean and healthy seeds of a good variety.
Q19. Give some examples of Rabi crop?
of rabi crops are wheat, gram, pea, mustard and linseed.
Q20. What is harvesting?
Harvesting is the cutting of the mature crop manually or by machines.
Q21. Name the two modern methods of irrigation that help us to
use water economically.
System and Drip system
Q22. Why can paddy not be grown in the winter season?
requires a lot of water. Therefore, it is grown only in the rainy season.