Crop Production and Management MCQs Class 8 Science
Crop Production and Management MCQs – Class 8 Science
Class: 8
Subject: Science
Section: Crop Production and Management
Topic: Crop Production and Management MCQs
Board: CBSE – Based on NCERT Syllabus
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 8 Science examinations.
Subject: Science
Section: Crop Production and Management
Topic: Crop Production and Management MCQs
Board: CBSE – Based on NCERT Syllabus
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 8 Science examinations.
1. Which of the following is a Kharif crop?
Answer: C. Paddy
Kharif crops are grown during the rainy season (June–October). Paddy requires plenty of water, making it ideal for monsoon cultivation.
Kharif crops are grown during the rainy season (June–October). Paddy requires plenty of water, making it ideal for monsoon cultivation.
2. Preparation of soil includes:
Answer: D. All of these
Soil preparation involves loosening (ploughing), breaking clods, levelling, and adding manure to improve fertility.
Soil preparation involves loosening (ploughing), breaking clods, levelling, and adding manure to improve fertility.
3. The tool used for loosening soil is:
Answer: C. Plough
A plough loosens and turns soil, improving aeration and root penetration.
A plough loosens and turns soil, improving aeration and root penetration.
4. Levelling of soil helps in:
Answer: D. All of these
Levelling ensures equal water distribution, prevents topsoil loss, and aids uniform seed placement.
Levelling ensures equal water distribution, prevents topsoil loss, and aids uniform seed placement.
5. Seeds are sown using:
Answer: A. Seed drill
Seed drills place seeds at proper depth and spacing, improving germination.
Seed drills place seeds at proper depth and spacing, improving germination.
6. Which nutrient is mainly supplied by urea?
Answer: A. Nitrogen
Urea is a nitrogen-rich fertilizer essential for leaf growth.
Urea is a nitrogen-rich fertilizer essential for leaf growth.
7. Organic manure improves:
Answer: D. All of these
Manure adds humus, enhancing soil structure and fertility.
Manure adds humus, enhancing soil structure and fertility.
8. Removal of unwanted plants is called:
Answer: B. Weeding
Weeds compete for nutrients, water, and light, reducing yield.
Weeds compete for nutrients, water, and light, reducing yield.
9. A chemical used to kill weeds:
Answer: B. Weedicides
Example: 2,4-D selectively kills broad-leaf weeds.
Example: 2,4-D selectively kills broad-leaf weeds.
10. Artificial supply of water to crops is:
Answer: B. Irrigation
Irrigation ensures crops get water during insufficient rainfall.
Irrigation ensures crops get water during insufficient rainfall.
11. Modern irrigation method:
Answer: B. Sprinkler
Sprinklers distribute water like rainfall, suitable for uneven land.
Sprinklers distribute water like rainfall, suitable for uneven land.
12. Drip irrigation saves:
Answer: C. Water
Water is delivered drop by drop directly to roots, minimizing wastage.
Water is delivered drop by drop directly to roots, minimizing wastage.
13. Cutting of mature crops is:
Answer: B. Harvesting
Done manually with sickle or by combine harvesters.
Done manually with sickle or by combine harvesters.
14. Separation of grain from chaff:
Answer: B. Winnowing
Wind blows away lighter chaff, leaving heavier grains.
Wind blows away lighter chaff, leaving heavier grains.
15. Storage structures include:
Answer: D. All of these
They protect grains from moisture, pests, and rodents.
They protect grains from moisture, pests, and rodents.
16. Rabi crops are grown in:
Answer: A. Winter
Example: Wheat, gram, mustard.
Example: Wheat, gram, mustard.
17. Example of a fertilizer:
Answer: B. Urea
Fertilizers are factory-made nutrient suppliers.
Fertilizers are factory-made nutrient suppliers.
18. Growing different crops alternately is:
Answer: A. Crop rotation
It maintains soil fertility and prevents pests.
It maintains soil fertility and prevents pests.
19. Leguminous crops fix:
Answer: B. Nitrogen
Rhizobium bacteria in root nodules fix atmospheric nitrogen.
Rhizobium bacteria in root nodules fix atmospheric nitrogen.
20. The first step in crop production is:
Answer: C. Preparation of soil
Healthy soil ensures proper root growth and nutrient supply.
Healthy soil ensures proper root growth and nutrient supply.