NCERT Class-9 Science Solutions: Chapter 15-Improvement In Food Resources Part 1

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Multiple Choice Questions

Question 1:

Which one is an oil yielding plant among the following?

  1. Lentil

  2. Sunflower

  3. Cauliflower

  4. Hibiscus

Answer: B

Image oil yielding plant: Sunflower

Image Oil Yielding Plant: Sunflower

Image oil yielding plant: Sunflower

Question 2:

Which one is not a source of carbohydrate?

  1. Rice

  2. Millets

  3. Sorghum

  4. Gram

Answer: D

Image the source of carbohydrate

Image the Source of Carbohydrate

Image the source of carbohydrate

Question 3:

Find out the wrong statement from the following

  1. White revolution is meant for increase in milk production

  2. Blue revolution is meant for increase in fish production

  3. Increasing food production without compromising with environmental quality is called as sustainable agriculture

  4. None of the above

Answer: D

Blue and White revolution,sustainable agriculture

Blue and White Revolution,Sustainable Agriculture

Blue and White revolution,sustainable agriculture

Question 4:

To solve the food problem of the country, which among the following is necessary?

  1. Increased production and storage of food grains

  2. Easy access of people to the food grain

  3. People should have money to purchase the grains

  4. All of the above

Answer: D

Question 5:

Find out the correct sentence

  1. Hybridisation means crossing between genetically dissimilar plants

  2. Cross between two varieties is called as inter specific hybridisation

  3. Introducing genes of desired character into a plant gives genetically modified crop

  4. Cross between plants of two species is called as inter varietal hybridisation

  5. (i) and (iii)

  6. (ii) and (iv)

  7. (ii) and (iii)

  8. (iii) and (iv)

Answer: A

Iamge Hybridisation and genetically modified crop

Iamge Hybridisation and Genetically Modified Crop

Iamge Hybridisation and genetically modified crop

Question 6:

Weeds affect the crop plants by

  1. Killing of plants in field before they grow

  2. Dominating the plants to grow

  3. Competing for various resources of crops (plants) causing low availability of nutrients

  4. All of the above.

Answer: C

Image Weeds affect the crop plants

Image Weeds Affect the Crop Plants

Image Weeds affect the crop plants

Question 7:

Which one of the following species of honey bee is an Italian species?

  1. Apis dorsata

  2. Apis florae

  3. Apis cerana indica

  4. Apis mellifera

Answer: D

Image the apis mellifera

Image the Apis Mellifera

Image the apis mellifera