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CBSE Class 8  >  Class 8 Test  >  Science   >  Olympiad Test: Crop Production And Management - Class 8 MCQ

Olympiad Test: Crop Production And Management - Free MCQ with solutions


MCQ Practice Test & Solutions: Olympiad Test: Crop Production And Management (20 Questions)

You can prepare effectively for Class 8 Science Class 8 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Olympiad Test: Crop Production And Management". These 20 questions have been designed by the experts with the latest curriculum of Class 8 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 20 minutes
  • - Number of Questions: 20

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Olympiad Test: Crop Production And Management - Question 1
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_________are like artificial rainmakers.

Detailed Solution: Question 1

Cloud seeding is a type of weather modification that aims to change the amount or type of precipitation, mitigate hail or disperse fog

Olympiad Test: Crop Production And Management - Question 2
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Which branch of agriculture deals with the care, breeding, and management of animals to obtain products like milk, eggs, and meat?

 

Detailed Solution: Question 2

Animal Husbandry is the branch of agriculture that focuses on the proper care, feeding, breeding, and management of animals. The goal is to ensure that animals remain healthy and productive so they can provide food products like milk, eggs, and meat. Just like crops, animals need the right conditions—good shelter, nutrition, and attention—to thrive. Sericulture deals with silk production, horticulture with plants and gardens, and crop rotation is a farming practice for soil fertility.

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Olympiad Test: Crop Production And Management - Question 3
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_______farming includes cattle, goat, sheep, poultry, and fish farming.

Detailed Solution: Question 3

Animal-based farming includes different types of farming like cattle farming, goat farming, sheep farming, poultry farming, and fish farming.

Olympiad Test: Crop Production And Management - Question 4
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The bacteria present in root nodules of leguminous plants that fix the atmospheric nitrogen is

Detailed Solution: Question 4

The Rhizobium or Bradyrhizobium bacteria colonize the host plant's root system and cause the roots to form nodules to house the bacteria. The bacteria then begin to fix the nitrogen required by the plant.

Olympiad Test: Crop Production And Management - Question 5
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Given below are statements about the harmful effects of weeds on crop plants.

(i)They interfere while harvesting.

(ii)They help crop plants thrive.

(iii)They compete with crop plants for water, nutrients, space, and light.

(iv)They affect plant growth.

Choose the correct statements from above.

Detailed Solution: Question 5

Weeds compete with crops for one or more plant growth factors such as mineral nutrients, water, solar energy, and space and they hinder crop cultivation operations. Competition for mineral nutrients: Being hardy and vigorous in growth habit; they soon outgrow the crops and consume large amounts of water and nutrients.

Olympiad Test: Crop Production And Management - Question 6
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Which system is a boon in regions of low availability of water?

Detailed Solution: Question 6

Drip irrigation is a type of micro-irrigation system that has the potential to save water and nutrients by allowing water to drip slowly to the roots of plants, either from above the soil surface or buried below the surface. The goal is to place water directly into the root zone and minimize evaporation.

Olympiad Test: Crop Production And Management - Question 7
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Which of the following has high nutrient content but can cause side effects?

Detailed Solution: Question 7

Fertilizers, chemically synthesized substances that are rich in plant nutrients such as NPK. They are artificially made but have a rapid response. Overuse of fertilizers can cause negative effects like loose soil fertility, bioaccumulation, etc.

Olympiad Test: Crop Production And Management - Question 8
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The agricultural tool used to sow seeds

Detailed Solution: Question 8

A seed drill (also hoe drill; seeder) is a device used in agriculture that sows seeds for crops by positioning them in the soil and burying them to a specific depth. This ensures that seeds will be distributed evenly.

Olympiad Test: Crop Production And Management - Question 9
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Which of the following can be obtained from fish?

Detailed Solution: Question 9

Fish is good for health. We get cod liver oil from fish which is rich in vitamin D

Olympiad Test: Crop Production And Management - Question 10
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Rabi crops are grown _________________

Detailed Solution: Question 10

The crops grown in the winter season are called rabi crops. Their period is generally from October to March. Examples of rabi crops are wheat, gram, pea, mustard, and linseed.

Olympiad Test: Crop Production And Management - Question 11
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Weeds can be removed by using

Detailed Solution: Question 11

Weeds are undesirable plants that are not cultivated. They are the plants in the wrong place. They compete with the crop for nutrients and space. Hence, they are harmful to the crop. These weeds can be controlled by using weedicides.

Olympiad Test: Crop Production And Management - Question 12
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When plants of the same kind are cultivated at one place on a large scale, it is called __________.

Detailed Solution: Question 12

When plants of the same kind are cultivated at one place on a large scale, it is called crops.

Olympiad Test: Crop Production And Management - Question 13
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Name the crops which are grown in rainy season.

Detailed Solution: Question 13

Crops that are sown during the southwest monsoon season are called Kharif or monsoon crops. These crops are sown at the beginning of the season around end May to early June and are harvested post the monsoon rains beginning October. Rice, maize, pulses such as urad, moong dal, and millets are among the key Kharif crops.

Olympiad Test: Crop Production And Management - Question 14
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Name the crops which are grown in winter season.

Detailed Solution: Question 14

The Rabi means when the crop is harvested. Crops that are grown in the winter season, from November to April are called Rabi Crops. Some of the important rabi crops are wheat, barley, peas, gram, and mustard.

Olympiad Test: Crop Production And Management - Question 15
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The rainy season in India generally starts from __________.

Detailed Solution: Question 15

Monsoon or rainy season, lasting from June to September. The season is dominated by the humid southwest summer monsoon, which slowly sweeps across the country beginning in late May or early June. Monsoon rains begin to recede from North India at the beginning of October. South India typically receives more rainfall.

Olympiad Test: Crop Production And Management - Question 16
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The branch of agriculture which deals with the rearing of animals-livestock is called ___________.

Detailed Solution: Question 16

The applied branch of biology which deals with the cultivation of plants and rearing of animals is called agriculture. Generally, the art or practice of cultivating land is referred as agriculture. The branch of agriculture which deals with food, health, and management of animals is known as animal husbandry.

Olympiad Test: Crop Production And Management - Question 17
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The supply of water to crops at regular intervals is called ____________.

Detailed Solution: Question 17

The supply of water to crops at regular intervals is called irrigation.

Olympiad Test: Crop Production And Management - Question 18
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Name the substances which are added to the soil in the form of nutrients for the healthy growth of plants.

Detailed Solution: Question 18

The substances which are added to the soil in the form of nutrients for the healthy growth of plants are called minerals. These can be organic termed as manure or inorganic termed as fertilizers.

Olympiad Test: Crop Production And Management - Question 19
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Paddy and maize are the examples of ___________.

Detailed Solution: Question 19

Paddy, maize are examples of Kharif crops because they require a lot of water so they are cultivated in rainy season.

Olympiad Test: Crop Production And Management - Question 20
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Which agricultural practice helps in restoring soil fertility by growing different crops alternately?

Detailed Solution: Question 20

Crop rotation involves growing different types of crops in the same field in different seasons, which helps maintain the nutrient balance of the soil.

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About this Class 8 Practice Test

This test contains 20 MCQs on Olympiad Test: Crop Production And Management with detailed solutions for each question. It is part of the Science Class 8 course on EduRev, designed to align with the current Class 8 syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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