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Practice Class 8 Science Chapter 1 Crop Production and Management MCQ Questions with Answers based on the latest NCERT syllabus. Solve important higher-order NCERT MCQs on tilling, crop rotation, irrigation efficiency, storage, and agricultural tools with detailed solutions for CBSE, State Board, Olympiad, and scholarship exam preparation.
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Chapter Information
Subject: Science
Class: 8
Chapter: Crop Production and Management
Question Type: Multiple Choice Questions (MCQs)
Difficulty Level: Difficult
Based On: NCERT Latest Syllabus (2026)
Introduction
Agriculture is a scientific process that requires proper planning at every stage. Correct use of agricultural tools, soil management, irrigation, and storage techniques helps farmers increase productivity while conserving natural resources. This practice set contains higher-order reasoning questions designed to strengthen conceptual understanding and problem-solving skills.
What You Will Learn
✔ Scientific importance of tilling
✔ Benefits of crop rotation
✔ Efficient irrigation management
✔ Modern grain storage practices
✔ Agricultural tools and machinery
✔ NCERT concept-based revision
✔ Higher-order reasoning practice
Why This Topic Is Important
Modern farming depends on scientific decision-making rather than traditional practices alone. Understanding these concepts helps students develop analytical thinking and prepares them for school examinations, Olympiads, and scholarship tests.
1. MCQ Questions with Detailed Solutions
Q1. Why is loosening the soil before sowing beneficial for earthworms?
A) It forces them to leave the soil.
B) It creates a better environment where they help improve soil fertility.
C) It prevents them from making burrows.
D) It destroys useful microorganisms.
Answer
B) It creates a better environment where they help improve soil fertility.
Concept Behind This Question
Earthworms are known as the “friends of farmers.”
Step-by-Step Solution
Earthworms loosen the soil naturally and decompose organic matter into humus. Well-aerated soil supports their activity, improving soil fertility and plant growth.
Therefore, the correct answer is B.
Exam Tip
Earthworms naturally improve soil quality.
Q2. Which farming practice helps reduce the chances of nutrient deficiency in soil over several years?
A) Growing the same crop every season
B) Crop rotation
C) Delaying harvesting
D) Increasing irrigation every day
Answer
B) Crop rotation
Concept Behind This Question
Different crops require different nutrients.
Step-by-Step Solution
Repeated cultivation of the same crop removes the same nutrients continuously. Crop rotation helps maintain soil fertility because different crops use and restore different nutrients.
Therefore, the correct answer is B.
Exam Tip
Crop Rotation = Balanced Soil Nutrients
Q3. A farmer irrigates a field immediately after heavy rainfall. What is the most likely result?
A) Better soil aeration
B) Waterlogging and wastage of water
C) Increased seed quality
D) Faster harvesting
Answer
B) Waterlogging and wastage of water
Concept Behind This Question
Irrigation should depend on soil moisture.
Step-by-Step Solution
Heavy rainfall already provides sufficient moisture. Additional irrigation may lead to waterlogging, poor root respiration, and unnecessary water wastage.
Therefore, the correct answer is B.
Exam Tip
Never irrigate without checking soil moisture.
Q4. Which storage structure is specially designed for storing large quantities of grains safely?
A) Flower pot
B) Silo
C) Bucket
D) Wooden tray
Answer
B) Silo
Concept Behind This Question
Large-scale grain storage requires special structures.
Step-by-Step Solution
Silos are tall storage structures designed to keep grains safe from moisture, insects, rodents, and environmental damage for long periods.
Therefore, the correct answer is B.
Exam Tip
Silo = Large Grain Storage
Q5. Which agricultural implement is mainly used for manually cutting mature crops?
A) Sickle
B) Hoe
C) Seed Drill
D) Plough
Answer
A) Sickle
Concept Behind This Question
Different farming tools perform different agricultural operations.
Step-by-Step Solution
A sickle is a hand-held tool with a curved blade used for harvesting mature crops such as wheat and paddy.
Therefore, the correct answer is A.
Exam Tip
Sickle = Manual Harvesting
Important Formulas & Concepts
1. Earthworms
Benefits:
- Improve soil aeration
- Add humus
- Increase soil fertility
2. Crop Rotation
Advantages:
- Maintains soil fertility
- Reduces nutrient depletion
- Helps control some pests and diseases
3. Efficient Irrigation
Irrigation should depend on:
- Soil moisture
- Crop requirement
- Weather conditions
4. Silo
A large storage structure used for preserving grains safely.
5. Sickle
A manually operated harvesting tool used for cutting mature crops.
Related Practice Questions
- Why are earthworms called the friends of farmers?
- Explain the importance of crop rotation.
- Why should irrigation depend on soil moisture?
- What is the function of a silo?
- Name two tools used during harvesting.
Mini Quiz Challenge
Fill in the blanks
- Earthworms improve soil __________.
- Large quantities of grains are stored in a __________.
- A __________ is used for manual harvesting.
Answers
- Fertility
- Silo
- Sickle
Exam Tips
✔ Remember the role of earthworms.
✔ Learn the advantages of crop rotation.
✔ Revise different grain storage structures.
✔ Practice identifying agricultural tools.
✔ Focus on application-based NCERT questions.
Quick Revision Notes
✔ Earthworms improve soil naturally.
✔ Crop rotation maintains soil fertility.
✔ Irrigation depends on crop requirements.
✔ Silos store grains safely.
✔ Sickles are used for manual harvesting.
✔ Scientific storage reduces grain losses.
✔ Sustainable farming conserves natural resources.
✔ Healthy soil supports better crop production.
Common Mistakes Students Make
❌ Thinking irrigation is needed after every rainfall.
❌ Confusing a silo with a seed drill.
❌ Assuming earthworms damage crops.
❌ Mixing up sickles and hoes.
❌ Believing crop rotation is only done to increase production.
Key Takeaways
✔ Earthworms improve soil fertility naturally.
✔ Crop rotation prevents nutrient depletion.
✔ Irrigation should be based on soil moisture.
✔ Silos protect grains during storage.
✔ Sickles are used for harvesting crops.
✔ Scientific farming improves agricultural efficiency.
✔ Sustainable practices protect natural resources.
FAQs
1. Why are earthworms beneficial for farmers?
They improve soil fertility by loosening the soil and decomposing organic matter.
2. What is crop rotation?
Crop rotation is the practice of growing different crops one after another to maintain soil fertility.
3. What is a silo?
A silo is a storage structure used to preserve large quantities of grains safely.
4. Which tool is used for manual harvesting?
A sickle is commonly used for manually harvesting crops.
5. Why should irrigation depend on soil moisture?
It prevents water wastage and reduces the chances of waterlogging.
Conclusion
Practice Set 11 focuses on advanced concepts such as earthworms, crop rotation, irrigation management, silos, and harvesting tools. These higher-order NCERT-based MCQs strengthen conceptual understanding and analytical thinking, helping students perform well in school examinations, Olympiads, and scholarship tests. Consistent practice will improve confidence and scientific reasoning.
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