Class 8 Science Chapter 1 MCQ

Class 8 Science Chapter 1 MCQ (Multiple Choice Questions) of Crop Production and Management. These MCQs includes all the questions given as intext questions, Exercise questions and other questions related to Chapter 1 science of grade 8 Science for new academic session 2021-22.

There are about 100 MCQs related to chapter 1 of Class 8 Science for better understanding the concepts about Crop Product and its Management.

Class 8 Science Chapter 1 MCQ for 2021-22

Class: 8Science
Contents:Chapter 1 MCQ Tests

Class 8 Science Chapter 1 MCQ for CBSE Exams

Class 8 Science Chapter 1 MCQ are given below in the form of sets. There are total 10 sets of questions. Each set has ten questions with answer and explanation. The button to start a new test is given just below the end of test. Prepare form NCERT Textbooks Class 8 Science Solutions and get ready for MCQ tests.




Q1

Which of the following is not true for fertilizers?

[A]. They increase the yield.
[B]. Their excessive use disturbs the balance of nutrients in soil..
[C]. They are generally used in small quantity
[D]. They are environment friendly.
Q2

Which of the following statements is or are incorrect?

[A]. Freshly harvested grains must be dried before shoring.
[B]. Rhizobium present in root nodules of leguminous plants to fix nitrogen.
[C]. All crop plants need transplantation.
[D]. None of the above.
Q3

If you are given a dry piece of land for cultivation, what will you do:

[A]. Adequate watering to restore the moisture
[B]. Tilled and ploughing for aeration
[C]. Crumbs are levelled and manure are mixed
[D]. All the above
Q4

The use of manure (which is not correct)

[A]. Enhances the water holding capacity of the soil
[B]. Improve soil texture
[C]. Increases the number of friendly microbes
[D]. Also become a source of water pollution
Q5

Sometimes, manure is added to the soil before tilling because

[A]. Less manure is used
[B]. It helps in proper mixing of manure with soil
[C]. It saves labor and time
[D]. None of the above




Q6

Read the statements carefully and choose which option is or are not associated with seed drill?

[A]. By seed drill, seeds are sown at a uniform distance.
[B]. Seed drill covered the seeds by soil and depth to avoid overcrowding.
[C]. Seed drill improves the ratio of crop yield by as much as nine times.
[D]. None of the above.
Q7

The organic manure is considered better than fertilizers, because

[A]. It enhances the water holding capacity of the soil.
[B]. It makes the soil porous.
[C]. It improves the texture of the soil.
[D]. All the above.
Q8

Fish is good for health, we get cod liver fish oil from fish, which is rich in

[A]. Vitamin – B
[B]. Vitamin – C
[C]. Vitamin – D
[D]. Vitamin – E
Q9

The term used for the process of separation of grains from chaff is

[A]. Sieving
[B]. Winnowing
[C]. Threshing
[D]. Hand picking
Q10

In which of the statement is or are incorrect?

[A]. Living components like microbes’ earthworms etc. helps in growth of crops.
[B]. Non-living components support the living component.
[C]. Seed drill saves time and labor.
[D]. None of the above.



Q11

What do you mean by “Nitrification”?

[A]. Conversion of air nitrogen into nitrites and nitrates by nitrogen microbes,
[B]. Conversion of dead decaying matter into ammonia and then into nitrites and nitrates by nitrifying microbes,
[C]. Conversion of nitrites and nitrates from decaying organic matter into gaseous nitrogen by denitrifying microbes,
[D]. All the above
Q12

Word agriculture has come from two latin words, their meaning is

[A]. Cultivation
[B]. Crops
[C]. Farming
[D]. Production
Q13

Which of the following tools would a farmer use to remove weeds from the field?

[A]. Hoe
[B]. Plough
[C]. Axe
[D]. Cultivator
Q14

What measures must be taken to protect spoilage and insect attack of harvested grains

[A]. Exposing them in sunlight for drying.
[B]. Fumigation of the storage are to remove its insects.
[C]. Tulsi leaves are added to stored grains.
[D]. Both (B) and (C).
Q15

Good quality seeds are important for better yield. Choose the incorrect one, about seeds

[A]. Solid and free from fungal spores or insects.
[B]. For better breed hybrid seeds are selected.
[C]. Healthy seeds are separated and dried before sowing.
[D]. Seeds placed deep into the soil.



Q16

Given below are statements about the harmful effects of weeds on crop plants and choose the correct combination

[A]. They interfere in harvesting, they compete with crop plants for water, nutrients, space and light, they effect the plant growth.
[B]. They compete with crop plants for water, nutrients, space and light.
[C]. They compete with crop plants for water, nutrients, space and light and they affect the plant growth.
[D]. They interfere in harvesting, they help crop plants to grow healthily, they compete with crop plants for water, nutrients, space and light, they effect the plant growth.
Q17

Why levelling is done in soil preparation?

[A]. It helps in sowing the seeds and uprooting the weeds
[B]. This makes the soil fertile and increase airy space
[C]. It helps uniform distribution of soil nutrients
[D]. It helps sowing as well as for irrigation.
Q18

“Farmers adopt many ways to remove weeds and control their growth”. Choose the incorrect one.

[A]. Tilling before sowing of crops help the killing of weeds.
[B]. Removal of weeds is done before they produce flowers and seeds.
[C]. Weeds are also controlled by using certain chemicals.
[D]. Weedicides are sprayed during the vegetative growth of weeds after flowering and seed formation.
Q19

Who is the father of “Green revolution in India”?

[A]. Norman Borlaug
[B]. MS Swaminathan
[C]. Samuel Slater
[D]. Dr. Varghese Kurien
Q20

In which of the statement is or are correct?

[A]. Growing different crops in different seasons in the same field will deplete the soil of nutrients.
[B]. Chain pump is the traditional method of irrigation.
[C]. Leguminous plant can fix nitrogen.
[D]. None of the above.




Q21

Despite favorable climatic conditions, a farmer’s crop failed to give good yield. Possible reasons may include

[A]. The soil was plough and irrigated
[B]. Not using good quality and healthy seeds
[C]. Manure or fertilizers were not properly applied
[D]. All the above
Q22

The monsoon season in our country is during the months

[A]. April to December
[B]. June to September
[C]. November to March
[D]. January to May
Q23

Paheli wants to know that what is the full form of NPK

[A]. Nitrogen
[B]. Phosphorous
[C]. Potassium
[D]. All the above
Q24

In which of the following statements is or are incorrect?

[A]. The crops which are sown in the rainy seasons, called kharif crops.
[B]. The crops which are sown in the winter season, called rabi crops.
[C]. Paddy, cotton, and wheat are the example of kharif crops.
[D]. Peas, gram and mustard are the example of rabi crops.
Q25

“The animals or livestock in animals’ husbandry practices include many activities”. Which is the following statements is or are not associated with it?

[A]. Provide appropriate shelter, food and water facilities.
[B]. Provide good hygienic practices.
[C]. Provide time to time medical facilities
[D]. None of the above

Important Terms 8th Science Chapter 1

Some main points related to Class 8 Science Chapter 1 are given below. Keep it in mind for the exams.

    • The crops grown during the monsoon are called Kharif crops.
    • The crops grown in winter are called Rabi crops.
    • Animals are major sources of food for human beings.
    • Nitrogen fixation is a process by which atmospheric nitrogen is converted into nitrates utilized by plants.
    • The atmosphere contains 78% of nitrogen.
Summer Crops

Crops such as rice, maize, pulses, potato, groundnut, etc. are grown in places where the water supply is adequate and soil fertility is good. These are called Summer Crops. The season for these crops extends from March to June.



Types of Crop Plants in India
Cereals:Rice, wheat, maize, oat, barley.
Pulses:Gram, pea, bean, arhar, soyabean.
Oilseeds:Mustard, groundnut, sunflower.
Sugar crops:Sugarcane, beetroot.
Plantation crops:Tea, coffee, rubber.
Fibre crops:Cotton, jute, coconut.
Flax:Fibre, linseed oil.

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Class 8 Science Chapter 1 Extra Questions

What do you understand by levelling?

After ploughing the soil is still in large clumps. The large clumps of the soil are broken and the soil is pressed to make it even. This is called levelling.

Why should we not sow seed too deep?

If the seeds are sown too deep, they will not get enough air for respiration. Germination will be adversely affected, because the shoots will have to struggle hard through the layers of soil to reach sunlight and fresh air.

What is meant by transplanting?

Seeds of rice and many vegetables such as tomatoes, chillies and onions are not sown directly in the soil. Instead, they are first sown in a nursery and allowed to grow into small plants called seedlings. Healthy seedlings are then picked out and transferred to the field. This is called transplanting.

What is irrigation?

Irrigation is the most important activity in crop production. Water is necessary for the survival and proper development of crop plants. The supply of water to crops at different intervals is called irrigation.