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NIOS Class 10 Science and Technology Chapter 31 Food production and Animal- Husbandry
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Food production and Animal- Husbandry
Chapter: 31
INTEXT QUESTIONS 31.1
1. Which council has been set up in India for Agricultural Research and Development?
Ans: Indian Agricultural Research Council.
2. Mention any three advantages of crop rotation.
Ans: Better harvest, curtaining soil erosion, weeds ,control over pests and diseases.
3. In the table given below fill in the blanks and example has already been done for you.
Ans:
| Name | Method |
| 1. Farming of ‘Moong’ after Potatoes | Rotation in the planting crop. |
| 2. Growing four crops in the same field. | Gardening mission. |
| 3. __________________ | Organic farming. |
| 4. ‘Berseem’ barley, sun-flowe | Rotation of different crop. |
INTEXT QUESTION 31.2
1. Some statements are given below. Arrange them in the proper sequence so that the chain given below gets completed.
(i) Use of grass cutting implements.
(ii) Transplantation of new plants.
(iii) Preparing the vermicompost
(iv) Treating the seeds by immersing these in ceresin or agrosin.
(v) Use of mix cropping 6. Making topsoil fertile
(v) Preparation of the field for sowing
Ans: Do yourself.
2. Mention a chemical and an organic method for protecting growing crops against attack by weeds.
Ans: Through the sprinkling of weed-killers like N,C,A,A and Cemazine etc.
3. What can be done for removing plant destroying insects etc. what harm can be caused by chemical insecticides?
Ans: To remove insects, we can spray insecticides. But these can be poisonous for both plants and animals and can became a cause for environmental pollution. To control pests disease resistant types of crops can be used. Alongwith the chemical method, bio-controlled methods can also be used.for instance water weeds are eaten by some fish.
4. Mention any two better ways of storing grains.
(i) __________________________.
Ans: Pusa bin.
(ii) ___________________________.
Ans: Pusa cubicle.
INTEXT QUESTIONS 31.3
1. Today, most schools of marine fish can be detected by the use of new technology, called —————————.
Ans: Through satellite and echo techniques.
2. —————— are cultured to get pearls.
Ans: Oyster.
3. Mention the names of any two fish of economic importance.
Ans: Mullet, Pearl spot.
4. By increasing the lactation period of milch animals —————production can be simultaneously increased.
Ans: Milk production.
INTEXT QUESTIONS 31.4
1. At any given time the capacity of the availability, easy accessibility and expenditure on food of all the people in any region/country is called——— ———————.
Ans: Food security.
2. The grain stocks procured by the govt. through the medium of FCI is called – ——————.
Ans: Buffer stocks.
3. The retained material, from the state controlled ration shops is distributed through the ——————— system.
Ans: Public distribution.
4. Mention any two programmes that were initiated with the purposed to eradication of poverty and achieving food security.
Ans: Mid day meal scheme, Annapoorna scheme.
5. The mixture of separated cells/tissues from plants and nutritive fluids in a funnel/beaker is called ————.
Ans: Tissue/ cellular preservation.
| TERMINAL EXERCISES |
1. The name of the governmental campaign that is encouraging horticulture is:
(a) National Green Mission.
(b) National Gardening Mission.
(c) National Food Mission.
(d) National Harvest Mission.
Ans: (d) National Harvest Mission.
2. The credit for the green revolution in the country goes to:
(a) Dr APJ Abdul Kalam.
(b) Dr V Kurian.
(c) Dr M.S. Swaminathan.
(d) Dr. MGK Menon.
Ans: (c) Dr M.S. Swaminathan.
3. The following are involved in the creation of biofertilizers:
(a) Grass, dry leaves and urine/excrement of animals.
(b) Chemical products.
(c) Radio-active substances.
(d) Nitrogen fertilisers.
Ans: (d) Nitrogen fertilisers.
4. Auxin or gibberellin chemicals is associated with this category
(a) Weed killer.
(b) Fertiliser.
(c) Plant Growth Regulator.
(d) Fungicides.
Ans: (c) Plant Growth Regulator.
5. For crops productions and management of farms which principles should the farmer be informed of?
Ans: For the crop production and the management the farmers should follow the uses of fertiliser which contains nitrogen and the crop rotation is very necessary.
6. What do you mean by crop rotation? Classified the advantages of crop rotation?
Ans: The crop rotation means the farming of different crop in a year or the variety of crop production in a year. In this way amount of large food production will be possible.
7. From the perspective of food security, why is mixed cropping and multiple cropping considered better? Explain.
Ans: Multi cropping is the planting of two to four crops, during the same year, in the same field. The biggest advantage of mixed cropping is that the farmer gets two crops simultaneously at one time or within a short interval of time from the same field. Mixed cropping also maintains soil fertility.
8. Comment on the following:
(i) Formation of topsoil.
(ii) Treatment of seeds.
(iii) Preparation of field for sowing seeds and looking after new-born plants.
(iv) Preservation of cells/tissues.
9. just imagining that you have been invited to a village chaupal for giving a lecture on ‘Arrangement for Protecting Harvest’. What will you tell the villagers and farmers on this topic.
Ans: Do your self.
10. During the storage of grains in granaries, tell about any two possibilities, by which, how can reach the door of the stored grains.
Ans: Do your self.
11. What advantage assures to the farmer through animal husbandry. Many animal rights activists protest against animal husbandry. Write a note of one or two pages on this topic.
Ans:The various conscience is raised throughout the way that the animal in this process is being exploited by using the genetic engineering for the large-scale production.
12. How can the produce of hen rearing and fisheries activities be increased?
Ans: 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. Maintenance of temperature and prevention and cure of diseases is also required to increase the number of animals.
13. By explaining being made at the national level in relation to the country’ food security, kindly explain as to why food security is in the country’s interest today.
Ans: Government should be much aware of the food security in a particular area or the whole region. For the different necessary steps should be taken like organic farming and installing granaries, and different schemes for the food security of the poor.
14. Comment on the following:
(i) Food security for the increasing population.
It is very necessary for the management of the food according to their needs so, in future may not the situation came like the shortage of food.
(ii) Buffer stocks.
To maintain the balance in the food management in the different way of storing.
(iii) Public distribution system.
Ans: One thing that must be accepted is that the public distribution system is necessary for the distribution of the food to the needy poor person so no one may be affected because of starvation.
(iv) Green revolution.
Ans: Green revolution, great increase in production of food grains (especially wheat and rice) that resulted in large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent.
