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MCQ Questions for Class 8 Science Chapter 1 Crop Production and Management with Answers

 

Crop Production and Management Class 8 MCQs Questions with Answers

I. 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) fertiisers

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) kharîf crops

Answer

Answer: (c) weeds


Question 5.
The ideal months for harvesting kharif crop are
(a) June/July
(b) AugustfSeptember
(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


II. Fill in the Blanks

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


III. 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


IV. Match the following

Column IColumn 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 IColumn 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


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