1) Explain any one method of crop
production which ensures high yield.

ANSWER:-Inter cropping is a method of
crop production which ensures high yield. It is a practice of growing two or
more crops simultaneously in the same

field in rows
2) Why are manures and fertilizers
used in fields?

ANSWER:-Manures and fertilizers are used
in fields to enrich the soil with the required nutrients. Manure helps in
enriching the
soil with organic matter and nutrients. On the other hand, fertilizers
ensure a healthy growth and development in

3) What are the advantages of inter-cropping
and crop rotation?

ANSWER:-Inter-cropping and crop rotation both are used to
get maximum benefit on limited land. Inter-cropping helps in preventing pests and diseases to spread throughout the field. It also increases soil fertility, whereas crop rotation prevents soil depletion, increases soil fertility, and reduces soil erosion. Both these methods
reduce the need for fertilizers.

4) What is genetic manipulation? How
is it useful in agricultural practices?

ANSWER:-Genetic manipulation is a
process where the gene for a
particular character is introduced inside the chromosome of
a cell. Genetic manipulation is useful in developing varieties with higher yield, Good Quality,
Biotic and Abiotic resistance, short maturity period.

5) How do storage grain losses occur?

ANSWER:-During the storage of grains
both biotic and abiotic factors cause losses to grains. Biotic factors such as insects,
rodents, mites and various abiotic factors like moisture, temperature and lack
of sunlight also
affect the grains.

6) How do good animal husbandry
practices benefit farmers?

ANSWER:-Cattle farming is one of the
methods of animal husbandry
that is most beneficial for farmers.
Using this method, better breeds of draught
animals can be produced.

7) What are the benefits of cattle

ANSWER:-Benefits of cattle farming:
→ Good quality and quantity of milk can be produced.
→ Draught labour animals can be produced for
agricultural work.
→ New variety that are resistant to
diseases can be produced by crossing two varieties with the desired traits.

8) For increasing production, what is
common in poultry, fisheries and bee-keeping?

ANSWER:-The common factor for increasing production in
poultry, fisheries, and bee keeping is the proper management techniques that
are to be followed. Regular cleaning of farms
is of utmost importance.

9) How do you differentiate between
capture fishing, mariculture and aquaculture?

ANSWER:-Capture fishing the method of
obtaining fishes from
natural resources Mariculture
is the culture of marine fishes for commercial
use. Aquaculture
involves the production of aquatic animals
that are of high economic value such as prawns, lobster