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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 application-based MCQs on irrigation, storage, manure, fertilizers, harvesting, and animal husbandry 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: Moderate to Difficult
Based On: NCERT Latest Syllabus (2026)
Introduction
Scientific farming is a combination of proper planning, resource management, and modern agricultural techniques. Farmers improve crop yield by using suitable irrigation methods, maintaining soil fertility, harvesting crops at the right time, and storing grains safely. This practice set contains application-based questions that strengthen conceptual understanding and analytical thinking.
What You Will Learn
✔ Importance of proper irrigation planning
✔ Scientific storage of grains
✔ Difference between manure and fertilizers
✔ Harvesting at the correct stage
✔ Importance of animal husbandry
✔ NCERT concept-based revision
✔ Higher-order application questions
Why This Topic Is Important
Agriculture supports millions of people and ensures food security. Understanding scientific farming methods helps students appreciate sustainable agriculture and prepares them for school examinations, Olympiads, and scholarship tests.
1. MCQ Questions with Detailed Solutions
Q1. A farmer observes that rainwater remains collected in the field for several days. Which problem is most likely to occur?
A) Better root respiration
B) Waterlogging that may damage crop roots
C) Faster seed germination in all crops
D) Increased soil aeration
Answer
B) Waterlogging that may damage crop roots
Concept Behind This Question
Excess water reduces the availability of oxygen in the soil.
Step-by-Step Solution
When water remains in the field for a long time, the soil becomes waterlogged. Plant roots cannot get enough oxygen for respiration, which may reduce growth or even kill the plants.
Therefore, the correct answer is B.
Exam Tip
Too much water can be as harmful as too little water.
Q2. Which storage practice helps protect grains from rodents such as rats and mice?
A) Storing grains in open heaps
B) Using strong, closed storage bins or silos
C) Keeping grains on wet floors
D) Leaving grains uncovered overnight
Answer
B) Using strong, closed storage bins or silos
Concept Behind This Question
Safe storage prevents losses after harvesting.
Step-by-Step Solution
Rodents can damage stored grains by eating and contaminating them. Closed storage structures like silos and metal bins protect grains from rodents, insects, and moisture.
Therefore, the correct answer is B.
Exam Tip
Closed Storage = Better Grain Protection
Q3. Which statement correctly compares manure and fertilizers?
A) Both are always prepared from plant waste.
B) Manure is organic, whereas fertilizers are generally manufactured chemical substances.
C) Fertilizers always improve soil texture better than manure.
D) There is no difference between manure and fertilizers.
Answer
B) Manure is organic, whereas fertilizers are generally manufactured chemical substances.
Concept Behind This Question
Students should understand the basic difference between manure and fertilizers.
Step-by-Step Solution
Manure is obtained from decomposed plant and animal waste and improves soil quality. Fertilizers are manufactured chemical substances that provide nutrients quickly but should be used carefully.
Therefore, the correct answer is B.
Exam Tip
Manure = Organic | Fertilizer = Chemical
Q4. Which sign usually indicates that a crop is ready for harvesting?
A) Seeds have just been sown.
B) The crop has fully matured.
C) The plants have only two leaves.
D) The field has just been irrigated.
Answer
B) The crop has fully matured.
Concept Behind This Question
Harvesting should be done only at the correct stage.
Step-by-Step Solution
A mature crop produces well-developed grains of good quality. Harvesting too early reduces both grain quality and yield.
Therefore, the correct answer is B.
Exam Tip
Harvest only mature crops for maximum yield.
Q5. Why is animal husbandry considered an important part of agriculture?
A) It helps produce useful products such as milk, eggs, wool, and meat.
B) It completely replaces crop farming.
C) It removes the need for irrigation.
D) It eliminates weeds from crop fields.
Answer
A) It helps produce useful products such as milk, eggs, wool, and meat.
Concept Behind This Question
Agriculture includes both crop production and animal rearing.
Step-by-Step Solution
Animal husbandry involves the scientific care and breeding of domestic animals. It provides useful products like milk, eggs, meat, wool, and also supports farmers’ livelihoods.
Therefore, the correct answer is A.
Exam Tip
Animal Husbandry = Scientific Care of Domestic Animals
Important Formulas & Concepts
1. Waterlogging
Occurs when excess water remains in the field.
Effects:
- Poor root respiration
- Reduced plant growth
- Lower crop yield
2. Safe Grain Storage
Grains should be protected from:
- Moisture
- Insects
- Rodents
- Fungi
3. Manure vs Fertilizers
Manure
- Organic
- Improves soil structure
- Adds humus
Fertilizers
- Chemical
- Rich in nutrients
- Used in recommended quantities
4. Harvesting
Harvest crops only after full maturity for better grain quality and yield.
5. Animal Husbandry
Scientific breeding, feeding, and management of useful domestic animals.
Related Practice Questions
- What is waterlogging and how does it affect crops?
- How can stored grains be protected from rodents?
- Differentiate between manure and fertilizers.
- Why should crops be harvested only after maturity?
- What is animal husbandry?
Mini Quiz Challenge
Fill in the blanks
- Excess water in a field causes __________.
- Manure is an __________ source of nutrients.
- Scientific care of domestic animals is called __________.
Answers
- Waterlogging
- Organic
- Animal Husbandry
Exam Tips
✔ Learn the effects of waterlogging.
✔ Revise safe grain storage methods.
✔ Remember the difference between manure and fertilizers.
✔ Understand the importance of harvesting at maturity.
✔ Study the role of animal husbandry in agriculture.
Quick Revision Notes
✔ Waterlogging reduces oxygen available to roots.
✔ Rodent-proof storage protects grains.
✔ Manure improves soil structure naturally.
✔ Fertilizers provide nutrients quickly.
✔ Harvest only mature crops.
✔ Animal husbandry supports agriculture.
✔ Scientific farming increases productivity.
✔ Proper storage reduces post-harvest losses.
Common Mistakes Students Make
❌ Thinking more irrigation is always beneficial.
❌ Confusing manure with fertilizers.
❌ Harvesting crops before maturity.
❌ Ignoring the role of rodents in grain loss.
❌ Assuming agriculture means only crop farming.
Key Takeaways
✔ Waterlogging damages crop roots.
✔ Safe storage protects grains from rodents and moisture.
✔ Manure is organic, while fertilizers are chemical.
✔ Mature crops should be harvested for maximum yield.
✔ Animal husbandry is an important branch of agriculture.
✔ Scientific farming improves food production.
✔ Proper crop management ensures sustainable agriculture.
FAQs
1. What is waterlogging?
Waterlogging is the condition in which excess water remains in the field, reducing oxygen available to plant roots.
2. How can grains be protected from rodents?
They should be stored in strong, closed bins or silos.
3. What is the main difference between manure and fertilizers?
Manure is organic, whereas fertilizers are manufactured chemical substances.
4. Why should crops be harvested only after maturity?
Because mature crops produce better-quality grains and higher yield.
5. Why is animal husbandry important?
It provides useful products such as milk, eggs, wool, and meat and supports farmers’ income.
Conclusion
Practice Set 10 strengthens students’ understanding of waterlogging, grain storage, manure, fertilizers, harvesting, and animal husbandry. These application-based NCERT MCQs improve conceptual clarity, reasoning skills, and exam readiness. Regular practice will help students perform confidently in school examinations, Olympiads, and scholarship tests.
Related links
- Class 8 Maths Chapter 4 Practical Geometry part-1
- Class 8 Social Science Chapter 1 How, When and Where part-7
- Class 8 Science Chapter 1 Crop Production and Management part-6
- Class 8 Maths Chapter 3 Understanding Quadrilaterals part-19
- Class 8 English Chapter 1 Another Chance part-3
- Class 8 Social Science Chapter 1 How, When and Where part-6
- Class 8 Science Chapter 1 Crop Production and Management part-5
- Class 8 Maths Chapter 3 Understanding Quadrilaterals part-18
- Class 8 Social Science Chapter 1 How, When and Where part-5
- Class 8 Maths Chapter 3 Understanding Quadrilaterals part-17
- Class 8 Science Chapter 1 Crop Production and Management part-4
- Class 8 English Chapter 1 Another Chance part-2
- Class 8 Science Chapter 1 Crop Production and Management part-3
- Class 8 Social Science Chapter 1 How, When and Where part-4
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