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Crop Production

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What does NPK stand for?

  1. Nitrogen, potassium and carbon

  2. Nitrogen, potassium and phosphorus

  3. Nitrogen, phosphorus and carbon

  4. Nitrogen, phosphorus and potassium

  5. Nitrogen, phosphorus and calcium


Correct Option: D
Explanation:

The fertilizer NPK stands for nitrogen, phosphorus and potassium.

Find the odd one out.

  1. Maize

  2. Cotton

  3. Linseed

  4. Paddy

  5. Soybean


Correct Option: C
Explanation:

Linseed is categorised as a rabi crop. Hence, it is odd one among the options.

Drip system of irrigation is useful for the production of

  1. fruit plants

  2. legumes

  3. oilseeds

  4. millets

  5. cereals


Correct Option: A
Explanation:

The technique of drip system of irrigation is used for watering fruit plants.

Wheat : Rabi crop : : __________ : Kharif crop

  1. Clover

  2. Pea

  3. Gram

  4. Mustard

  5. Groundnut


Correct Option: E
Explanation:

Groundnut is considered as a kharif crop.          

Parthenium and amaranthus are examples of

  1. pests

  2. weeds

  3. cash crops

  4. fungal diseases of plants

  5. medicines to control plant diseases


Correct Option: B
Explanation:

Parthenium and amaranthus are examples of weeds.

Winnowing is the process of

  1. loosening the soil

  2. keeping the field barren

  3. separating grains from the chaff

  4. uprooting weeds from the crop

  5. treating seeds prior to sowing


Correct Option: C
Explanation:

The process of separating grains from the chaff is called winnowing.

Which of the following is considered as a tuber crop?

  1. Cotton

  2. Wheat

  3. Tapioca

  4. Beetroot

  5. Coffee


Correct Option: C
Explanation:

Tapioca is a tuber plant.

Which of the following is kept in mind for keeping the land fallow?

  1. It keeps the farmer away from tiresome labour.

  2. It helps in replenishing lost nutrients of soil naturally.

  3. Farmer saves water for the cultivation of next crop.

  4. It saves the capital of the farmer.

  5. This practice is environmental friendly.


Correct Option: B
Explanation:

Keeping the land fallow after harvesting a major crop helps in replenishing lost nutrients of soil naturally.

What is broadcaster?

  1. It is an instrument to uproot weeds.

  2. It is an instrument to spray pesticide on diseased plants.

  3. It is an instrument to harvest the crop.

  4. It is an instrument to sow seeds in levelled soil.

  5. It is an instrument to irrigate the crop field.


Correct Option: D
Explanation:

Broadcaster is an instrument to sow seeds in levelled soil.

Which of the following is considered to be a micronutrient for the plants?

  1. Carbon

  2. Iron

  3. Potassium

  4. Calcium

  5. Sulphur


Correct Option: B
Explanation:

The minerals which are required by the plants in very small quantities are called micronutrients. They are involved in the functioning of various plant enzymes. Iron is one of the seven micronutrients needed by the plants.

Find the odd one out.

  1. Paddy

  2. Tomato

  3. Wheat

  4. Onion

  5. Brinjal


Correct Option: C
Explanation:

Among all the options, wheat is not produced by the method of transplantation.

Match the following format and choose a correct option. Column A Column B (a) Plough i. Irrigation (b) Sickle ii. Weeding (c) Trowel iii. Preparation of soil (d) Sprinkler iv. Harvesting

  1. (a) - iv, (b) - ii, (c) - ii, (d) - iii

  2. (a) - iii, (b) - ii, (c) - iv, (d) - i

  3. (a) - iii, (b) - iv, (c) - ii, (d) - i

  4. (a) - iii, (b) - iv, (c) - i, (d) - ii

  5. (a) - iv, (b) - iii, (c) - ii, (d) - i


Correct Option: C
Explanation:

Plough is used for preparation of soil, sickle for harvesting the crops, trowel is used for weeding while sprinkler is used for irrigation.

Which of the following are not the purposes of ploughing a field? (a) It enhances the fertility of soil. (b) It loosens up the soil. (c) It converts the type of soil into another. (d) It helps the root of the plant breathe easily. (e) It increases moisture in the soil.

  1. Only (a) and (b)

  2. Only (b) and (c)

  3. Only (a) and (d)

  4. Only (d) and (e)

  5. Only (c) and (e)


Correct Option: E
Explanation:

Ploughing of field does not change the type of soil. The moisture in the soil is the result of irrigation.          

Which of the following terms is not correctly matched with its meaning/usage?

  1. Crumbs : A tool used to sow the seeds in lines

  2. Lodging : The felling of mature crops due to rains accompanied by strong wind

  3. Harrow : An iron tool used to destroy weeds

  4. Silo : A cylindrical tank used to keep grains

  5. Combine : A machine used as harvester and thresher


Correct Option: A
Explanation:

The big pieces of soil in a ploughed field are called crumbs

Match the following format and choose a correct option.

Column A Column B (a) Furrow irrigation i. Paddy (b) Basin irrigation ii. Wheat (c) Drip irrigation iii. Potato (d) Sprinkler irrigation iv. Lemon

  1. (a) - ii, (b) - i, (c) - iv, (d) - iii

  2. (a) - iii, (b) - i, (c) - iv, (d) - ii

  3. (a) - iii, (b) - iv, (c) - i, (d) - ii

  4. (a) - i, (b) - ii, (c) - iii, (d) - iv

  5. (a) - iii, (b) - i, (c) - ii, (d) - iv


Correct Option: B
Explanation:

Furrow irrigation is useful for potato, basin irrigation for paddy, drip irrigation for lemon plant and sprinkler system is useful for watering wheat field.

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