Question

"Use of a Seed drill is preferred over broadcasting". Justify this statement giving 2 advantages of this practice.

Answer 1

It reduces the wastage of seeds
It places seeds at right position and interval

Answer 2

5. Name any 3 leguminous crops.
Ans- gram, peas, beans
6. What provides humus to the soil?
Ans- manures
7. "Use of a seed drill is preferred over broadcasting".Justify this statement giving 2 advantages
of this practice.
Ans-1-adequate spacing
2-adequate depth
8. "Use of manures is advantageous over fertilizers".Justify the statement.
Ans- soil chemistry is disturbed & the fertilizers can enter the plant body with water & cause
harm to us.
9. Paddy cannot be grown in the winter season.Why?
Ans- it needs standing water in the fields & that is possible in rainy season
10. Neem leaves are properly sundried & put in an iron drum containing wheat.Why?
Ans- prevention of insects & microbes
11. Use of a Combine Harvester is beneficial to farmers .Explain.
Ans-It does harvesting as wll as threshing
12. What is animal husbandry? Why is it done?
Ans-The task of rearing domesticated animals for their products or physical labour
13. Why is fish food good for health? Name 2 nutrients it contains in a large amount.
Ans- Fish food is 99% protein not fat.
Vitamin D &E+proteins
14. Arrange the following in the correct order for sugarcane production:-
sending crop to sugar factory, irrigation, harvesting, sowing, preparation of soil,
ploughing the field, manuring.