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Crop Production and Management (Class VIII)

Crop Production and Management

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is/are the benefit(s) of leveling of the ploughed soil?

a. Levelling helps in the loss of moisture from the ploughed soil.
b. Levelling of ploughed fields prevents the top fertile soil from being eroded.
c. Levelling of ploughed fields helps in the uniform distribution of water.

  1. only a
  2. only a and b
  3. only b and c
  4. only a and c
  5. a, b and c
Question 2 Multiple Choice (Single Answer)

Which of the following is not a traditional method of irrigation?

  1. Pulley system
  2. Drip system
  3. Lever system
  4. Chain pump
  5. Dhekli
Question 3 Multiple Choice (Single Answer)

The root nodules of which of the following plants do not have nitrogen-fixing bacteria called rhizobium bacteria?

  1. Millet
  2. Peas
  3. Beans
  4. Groundnut
  5. Clover
Question 4 Multiple Choice (Single Answer)

Which of the following plant is not a weed?

  1. Grass
  2. Wild oat
  3. Chenopodium
  4. Amaranthus
  5. Mentha
Question 5 Multiple Choice (Single Answer)

Rainy season in India is generally from June to September. Which of the following is not a crop sown in this rainy season?

  1. Maize
  2. Millet
  3. Soya bean
  4. Groundnut
  5. Linseed
Question 6 Multiple Choice (Single Answer)

Which of the following is not a benefit of loosening of soil by ploughing?

  1. The loosening and turning of soil during ploughing brings the nutrient-rich soil to the top.
  2. Ploughing uproots and buries the weeds standing in the fields.
  3. The loose soil allows deep penetration of water, which is otherwise not possible.
  4. The loose soil helps in the growth of worms and microbes present in the soil.
  5. The loose soil allows the roots of the plants to breathe easily.
Question 7 Multiple Choice (Single Answer)

The process of transferring the seedlings from the nursery to the main fields by hand is called transplantation. Which of the following crops are grown by the method of transplantation?

a. Paddy
b. Tomato
c. Chilli
d. Millet

  1. only a and b
  2. only a and c
  3. only a and d
  4. only a, b and c
  5. a, b, c and d
Question 8 Multiple Choice (Single Answer)

Which of the following is not an example of chemical fertiliser?

  1. Urea
  2. Aluminium sulphate
  3. Superphosphate
  4. Potash
  5. NPK
Question 9 Multiple Choice (Single Answer)

Match the following:

 
a. Sowing 1. It is the process of supplying water to the crop plants in the fields.
b. Irrigation 2. It is the process of scattering seeds in the ground soil for growing the crop plants.
c. Weeding 3. It is the process of removing unwanted plants from a crop field.
  1. a - 2, b - 3, c - 1
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 3, b - 1, c - 2
  5. a - 2, b - 1, c - 3
Question 10 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Manures are prepared from animal wastes, human wastes and plant residues by the action of microorganisms.
b. The deficiency of plant nutrients and organic matter in the soil is made up by adding manures and fertilisers to the soil.
c. Manures are very rich in plant nutrients like nitrogen and phosphorus and are poor in humus.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 11 Multiple Choice (Single Answer)

Cereals are plants that yield starchy grain suitable for food. Which of the following is not a cereal crop?

  1. Wheat
  2. Beans
  3. Maize
  4. Millet
  5. Barley
Question 12 Multiple Choice (Single Answer)

Match the following:

 
a. Harvesting 1. It is the cutting and gathering of the matured food crop.
b. Threshing 2. It is the process of separating grains from chaff and hay with the help of wind.
c. Winnowing 3. It is the process of beating out the grains from the harvested crop plants.
  1. a - 2, b - 3, c - 1
  2. a - 3, b - 2, c - 1
  3. a - 3, b - 1, c - 2
  4. a - 1, b - 3, c - 2
  5. a - 1, b - 2, c - 3
Question 13 Multiple Choice (Single Answer)

Which of the following statements is/are false?

a. Green plants can synthesise their own food by using organic substances like carbon dioxide and water.
b. When the same kind of plant is grown in the fields on a large scale to obtain food, it is called a crop.
c. The crops grown in the winter season are called rabi crops.

  1. Only a
  2. Both a and b
  3. Only b
  4. Both b and c
  5. Only c
Question 14 Multiple Choice (Single Answer)

Match the following:

 
a. Plough 1. It is a tractor driven agricultural implement with many blades fixed in an iron frame and is used for ploughing the soil.
b. Cultivator 2. It is an agricultural implement that is used for removing weeds, loosening and turning the soil.
c. Hoe 3. It is a large agricultural implement with a blade fixed in a wooden frame that is used for ploughing the soil in the fields.
  1. a - 3, b - 1, c - 2
  2. a - 3, b - 2, c - 1
  3. a - 1, b - 2, c - 3
  4. a - 1, b - 3, c - 2
  5. a - 2, b - 1, c - 3
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