Class 8 Science Chapter 1 MCQs Questions With Answers NCERT
We have compiled the NCERT MCQ Questions for Class 8 Science Chapter 1 Crop Production and Management with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 8 Science with Answers on a daily basis and score well in exams. Refer to the Crop Production and Management Class 8 MCQs Questions with Answers here along with a detailed explanation.
Crop Production and Management Class 8 MCQ
Choose the correct option.
Question 1.
The branch of science that deals with growing plants and raising livestock for human use is
(a) agriculture
(b) horticulture
(c) pisciculture
(d) animal husbandry
Answer
Answer: (a) agriculture
Question 2.
Products obtained from the crops are called
(a) yield
(b) produce
(c) crop
(d) fertilisers
Answer
Answer: (b) produce
Question 3.
The practice of growing two or more dissimilar crops in the same field one after another is
(a) crop rotation
(b) tilling
(c) plantation
(d) weeding
Answer
Answer: (a) crop rotation
Question 4.
The unwanted plants that grow along with the crops are called
(a) fertilisers
(b) manure
(c) weeds
(d) kharif crops
Answer
Answer: (c) weeds
Question 5.
The ideal months for harvesting kharif crop are
(a) June/July
(b) August/September
(c) September/October
(d) November/December
Answer
Answer: (c) September/October
Question 6.
Which of the following is an example of rabi crop?
(a) Potato
(b) Onion
(c) Jute
(d) Pulses
Answer
Answer: (a) Potato
Question 7.
The method of loosening the soil is called
(a) harvesting
(b) ploughing
(c) levelling
(d) threshing
Answer
Answer: (b) ploughing
Question 8.
Levelling of soil helps to prevent
(a) soil erosion
(b) cultivation
(c) sowing
(d) drought
Answer
Answer: (a) soil erosion
Question 9.
Which of the following is not a kharif crop?
(a) Paddy
(b) Maize
(c) Groundnut
(d) Peas
Answer
Answer: (d) Peas
Question 10.
Which of the following are agricultural implements?
(a) Seed drills
(b) Silos
(c) Harrow
(d) All of these
Answer
Answer: (d) All of these
Question 11.
The process of beating out grains from the harvested wheat crop is called
(a) beating
(b) crushing
(c) threshing
(d) harvesting
Answer
Answer: (c) threshing
Question 12.
Watering the crops is called
(a) sowing
(b) manuring
(c) tilling
(d) irrigation
Answer
Answer: (d) irrigation
Question 13.
Which of the following is not provided to the soil by a chemical fertiliser?
(a) Nitrogen
(b) Humus
(c) Potassium
(d) Phosphorus
Answer
Answer: (b) Humus
Question 14.
The chemical substances rich in nutrients are called
(a) fertilisers
(b) weedicides
(c) pesticides
(d) herbicides
Answer
Answer: (a) fertilisers
Question 15.
Compost is basically a
(a) manure
(b) fertiliser
(c) pesticide
(d) weedicide
Answer
Answer: (a) manure
Question 16.
Which of the following is an important factor for the growth of crops?
(a) Temperature
(b) Flumidity
(c) Rainfall
(d) All of the above
Answer
Answer: (d) All of the above
Question 17.
Which of the following is generally used for making compost?
(a) Metals
(b) Paper
(c) Plastics
(d) Organic plant waste
Answer
Answer: (d) Organic plant waste
Question 18.
Which of the following is used for tilling the land by cultivator?
(a) Tractor
(b) Bullock
(c) Buffalo
(d) Fforse
Answer
Answer: (a) Tractor
Question 19.
Combines are used for
(a) sowing of seeds
(b) harvesting the crops
(c) threshing
(d) both harvesting and threshing
Answer
Answer: (d) both harvesting and threshing
Question 20.
What is NPK?
(a) Fertiliser
(b) Manure
(c) Weedicide
(d) Weed
Answer
Answer: (a) Fertiliser
Question 21.
Rabi crops are sown in
(a) March, April
(b) May, June
(c) October, November
(d) Any time
Answer
Answer: (c) October, November
Question 22.
Seed drill is used to
(a) sow the seeds
(b) remove the weeds
(c) remove the pest
(d) mix manure in the soil
Answer
Answer: (a) sow the seeds
Question 23.
Separating grains from chaff is called
(a) sowing
(b) threshing
(c) tilling
(d) harvesting
Answer
Answer: (b) threshing
Question 24.
Wheat and gram belong to
(a) rabi crops
(b) kharif crops
(c) both of these
(d) none of these
Answer
Answer: (a) rabi crops
Question 25.
Examples of kharif crops are
(a) wheat and maize
(b) gram and maize
(c) paddy and maize
(d) all of these
Answer
Answer: (c) paddy and maize
Question 26.
2,4-D is a
(a) pesticide
(b) insecticide
(c) fungicide
(d) weedicide
Answer
Answer: (d) weedicide
Question 27.
Which of the following nutrients replenishes the soil after growing leguminous plants?
(a) Nitrogen
(b) Oxygen
(c) Phosphorus
(d) Potassium
Answer
Answer: (a) Nitrogen
Question 28.
The management of rearing of animals for food and other products is known as
(a) granaries
(b) animal husbandry
(c) poultry
(d) warehouse
Answer
Answer: (b) animal husbandry
Question 29.
Weeds can be removed by using
(a) pesticides
(b) fungicides
(c) weedicides
(d) bactericides
Answer
Answer: (c) weedicides
Fill in the blanks with suitable word/s.
Question 1.
Plants of one kind grown at a one place on a large scale is called …………..
Answer
Answer: crop
Question 2.
………….. is a simple tool used for removing weeds and for loosening the soil.
Answer
Answer: Hoe
Question 3.
Propagation of ginger is usually done using …………..
Answer
Answer: stem
Question 4.
………….. improves the texture of the soil.
Answer
Answer: Manure
Question 5.
Condition necessary to grow maize is …………..
Answer
Answer: low temperature
Question 6.
A common weed that grow among the crops is …………..
Answer
Answer: Amaranthus
Question 7.
………….. is the process of cutting and gathering the ripened crop.
Answer
Answer: Harvesting
Question 8.
………….. crops are sown in winter season.
Answer
Answer: Rabi
Question 9.
Kharif crops are sown in ………….. season.
Answer
Answer: rainy
Question 10.
Products obtained from the crops are called …………..
Answer
Answer: produce
Question 11.
The process of removing weeds is called …………..
Answer
Answer: weeding
Question 12.
………….. is the practice of growing two or more dissimilar crops in the same piece of land.
Answer
Answer: Mixed cropping
Question 13.
Separation of grain from chaff with the aid of wind is called …………..
Answer
Answer: winnowing
Question 14.
Leguminous plants fix ………….. in the soil.
Answer
Answer: nitrogen
Question 15.
Cod liver oil is rich in ……………..
Answer
Answer: Vitamin D
Question 16.
The same kind of plants grown and cultivated at one place on a large scale is called …………………..
Answer
Answer: crop
Question 17.
Ploughing is done by a …………………..
Answer
Answer: plough
Question 18.
Hoe is a simple tool which is used for removing …………………..
Answer
Answer: weeds
Question 19.
Continuous growing of crops makes the soil poorer in certain …………………..
Answer
Answer: nutrients
Question 20.
Weedicide sprayer should cover his/her ………………….. and ………………….. with a piece of cloth during spraying of these chemical.
Answer
Answer: noise and mouth
Question 21.
Seed drill is used for ………………….. of the seed.
Answer
Answer: sowing
Question 22.
A common pesticide is …………………..
Answer
Answer: BHC
Question 23.
Loosening and turning of the soil is called …………………..
Answer
Answer: tilling
Question 24.
A common weedicide is …………………..
Answer
Answer: 2, 4-D
Question 25.
Manure ………………….. the water holding capacity of the soil.
Answer
Answer: Increases
True or False
Question 1.
Rice is a kharif crop.
Answer
Answer: True
Question 2.
Jute is a rabi crop.
Answer
Answer: False
Question 3.
Storage of grains is not an agricultural practice.
Answer
Answer: False
Question 4.
Process of levelling involves breaking down the larger lumps of soil.
Answer
Answer: True
Question 5.
Levelling prevents soil erosion.
Answer
Answer: True
Question 6.
The method of loosening the soil is called weeding.
Answer
Answer: False
Question 7.
Putting some dried neem leaves in the drum containing grain prevents the attack by insect pests.
Answer
Answer: True
Question 8.
The irrigation process destroys the soil.
Answer
Answer: False
Question 9.
Kharif crops are grown during rainy season.
Answer
Answer: True
Question 10.
Peas are not rabi crops.
Answer
Answer: False
Question 11.
The first agricultural task is the preparation of soil.
Answer
Answer: True
Question 12.
Combines are used for harvesting only.
Answer
Answer: False
Question 13.
Loosening of soil allows the roots to breathe easily.
Answer
Answer: True
Question 14.
Chemicals used to control rat and insects are known as pesticides.
Answer
Answer: True
Question 15.
Drip irrigation system is the economical method of irrigation.
Answer
Answer: True
Question 16.
The tool used traditionally for sowing is a funnel-shaped tool
Answer
Answer: True
Question 17.
Manure and fertilisers are used to add nutrients to the soil.
Answer
Answer: True
Question 18.
Loosening of the soil allows the roots to breathe easily.
Answer
Answer: True
Question 19.
Manures are organic matter.
Answer
Answer: True
Question 20.
The first agricultural task is the sowing of seed.
Answer
Answer: False
Question 21.
Kharif crops are grown during the season of rainfall.
Answer
Answer: True
Question 22.
Seed drill is used to remove grains from chaff.
Answer
Answer: False
Question 23.
Compost is made by the decomposition of plants and animals waste.
Answer
Answer: True
Question 24.
Rahat is the device which is used to plough the soil.
Answer
Answer: False
Question 25.
Drip irrigation system is an economical method of irrigation.
Answer
Answer: True
Match the following
| Column I | Column II |
| 1. Sickle | (a) Goat |
| 2. Metachlor | (b) Storage |
| 3. Pea | (c) Fertiliser |
| 4. Moat | (d) Pest |
| 5. Cod liver oil | (e) Fish |
| 6. Milk | (f) Harvest festival |
| 7. Rat | (g) Harvesting |
| 8. Silo | (h) Rabi crop |
| 9. Nabanya | (i) Weedicide |
| 10. Urea | (j) Irrigation |
Answer
Answer:
| Column I | Column II |
| 1. Sickle | (g) Harvesting |
| 2. Metachlor | (i) Weedicide |
| 3. Pea | (h) Rabi crop |
| 4. Moat | (j) Irrigation |
| 5. Cod liver oil | (e) Fish |
| 6. Milk | (a) Goat |
| 7. Rat | (d) Pest |
| 8. Silo | (b) Storage |
| 9. Nabanya | (f) Harvest festival |
| 10. Urea | (c) Fertiliser |
| Column A | Column B |
| 1. Urea | a. Harvesting and threshing |
| 2. Sowing of seed | b. Sprinklers |
| 3. Irrigation | c. Fertiliser |
| 4. A weedicide | d. Seed drill |
| 5. Combine | e .2,4-D |
Answer
Answer:
| Column A | Column B |
| 1. Urea | c. Fertiliser |
| 2. Sowing of seed | d. Seed drill |
| 3. Irrigation | b. Sprinklers |
| 4. A weedicide | e .2,4-D |
| 5. Combine | a. Harvesting and threshing |
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