UP Board Class 9 Science Chapter 12 Improvement In Food Resources Multiple Choice Questions

Improvement In Food Sources Multiple Choice Questions

Question 1. Who is known as the father of the green revolution in India?

  1. Guha
  2. Prof. Kashyap
  3. Prof. MS Swaminathan
  4. Maheshwari

Answer: 3. The father of the green revolution in India is Prof. MS Swaminathan. The green Revolution has led to an increase in huffcrstocks good grains, improvement in the economic conditions of farmers, and provided employment opportunities to a large number of people.

Question 2. Who is known as the father of the white revolution?

  1. MS Swaminathan
  2. Dr. NE Borlaug
  3. Prof. Kashyap
  4. Dr. V Kurien

Answer: 4. Dr. V Kurien

Dr. V Kurien is known as the father of the white revolution and the architect of India’s modern dairy industry. He was the chairman of the National Dairy Development Board (NDDB) and founder of Amul implemented Operation Flood project in 1970.

Question 3. Bt cotton is resistant to

  1. herbicides
  2. salt resistant
  3. drought resistant
  4. insect resistant

Answer: 4. insect resistant

Bt cotton is produced by the insertion of insect resistance genes from the bacterium Bacillus thuringiensis into the cotton plant. This gene produces insect-resistant protein toxin crystals, called a parasporal bodies that can act as a microbial bioinsecticide for specific insect groups.

Question 4. The scientific process by which crop plants are enriched with certain desirable nutrients is called

  1. breeding
  2. crop protection
  3. biofortification
  4. bioremediation

Answer: 3. biofortification

Breeding of crops with higher levels of vitamins and minerals or higher protein and healthier fats is called biofortification. This is the most practical aspect of improving the nutritional value of food plants.

Question 5. Which one of the following is a breed of cattle?

  1. Ayrshire
  2. Scampi
  3. Ghagus
  4. Kadaknath

Answer: 1. Ayrshire

UP Board Class 9 Science Chapter 12 Improvement In Food Resources Multiple Choice Questions

Ayrshire is a breed of cow from Scotland. Ghagus and Kadaknath are Indigenous breeds of poultry.

Question 6. Inbreeding is carried out in animal husbandry because it

  1. increases homozygosity
  2. increases heterozygosity
  3. improves the breed
  4. increases vigor

Answer: 1. Increases homozygosity

Inbreeding is carried out in animal husbandry because it increases homozygosity. By inbreeding between animals of the same breeds pure-line animals are produced.

Question 7. Crossing of individuals of two different species to produce a hybrid is called as

intraparietal hybridisation

  1. interspecific hybridization
  2. interparietal hybridization
  3. intergeneric hybridization

Answer:

In interspecific hybridization, a species is mated with a related species of the same genus with different desirable characteristics. Interspecific hybrids are generally difficult to produce, but they are important in plant breeding, particularly in breeding for disease resistance. This is also called intrageneric hybridization.

Question 8. Which of the following is a dual-purpose breed?

  1. Jersey
  2. Sahiwal
  3. Sindhi
  4. Deoni

Answer: 4. Deoni

Deoni is a dual-purpose breed usually females are good milk yielders and males are used as muscular power which serves in plowing.

Question 9. Resistance is the capacity of plants to resist, withstand, lessen, and overcome the attacks of pathogens. Disease resistance crop is obtained from crossing with wild varieties.

  1. crossing with wild varieties
  2. crossing with new varieties
  3. injecting with organic compounds
  4. None of the above

Answer: 1. crossing with wild varieties

Resistance is the capacity of plants to resist, withstand, lessen, and overcome the attacks of pathogens. Disease resistance crop is obtained from crossing with wild varieties.

Question 10. Brown Swiss, 1 lolsIoin-Prtosinn, and Jersey nro all wo 11 known

  1. exotic breeds of goat
  2. exotic breeds of cow
  3. exotic breeds of poultry
  4. exotic breeds of fish

Answer: 2. exotic breeds of cow

Holstein- Friesian from Holland, Brown-Swiss from Switzerland, and Jersey from the Island of Jersey in the English Channel are exotic breeds of cattle.

Question 11. The plant commonly used as green manure is

  1. Sesbania aculeate
  2. Dalbergia sissoo
  3. Polyalthea
  4. None of the above

Answer: 1. Sesbania aculeate

Green manuring is a farming practice where a leguminous plant that has derived enough benefits from its association with appropriate species of Rbizobium is plowed into the soil and then a non-legume plant is grown and allowed to take benefits of already fixed nitrogen in the soil. Some common green manuring crops are Sesbania aculeata, Lens esculenta, Crotolaria juncea, etc.

Question 12. Which one of the following is the American poultry breed?

  1. Asset
  2. Rhod Island Red
  3. Minorica
  4. Australia

Answer: 2. Rhod Island Red

Rhod Island Red, Plymouth Rock, New Hampshire are some of the American breeds of poultry. Australia is a British breed, White leghorn, and Minorica are Mediterranean breeds and Assel is an indigenous breed.

Question 13. Which type of honeybees are useful for apiary industries in India?

  1. Apis florae
  2. Apis mellifera
  3. Apis dorsata
  4. Apis indica

Answer: 4. Apis indica

  1. An apiary is a place where bees are cultured and bred to get commercial products. Apis indica is a small Indian bee that inhabits forests and plain regions throughout India.
  2. It can be easily domesticated because of its gentle nature. Apis indica is the best, suited in India for apiculture industries.

Question 14. Green Revolution depended mainly on plant breeding techniques for high-yielding and disease-resistant varieties of

  1. wheat
  2. rice
  3. maize
  4. All of these

Answer: 1. wheat

Green Revolution depended mainly on plant breeding techniques for high-yielding and disease-resistant varieties of wheat. This was all done by the efforts of Prof. M.S. Swaminathan who is also called the father of the green revolution in India.

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