CBSE Class 8  >  Class 8 Notes  >  Science   >  Worksheet: Crop Production and Management

Worksheet: Crop Production and Management

Multiple Choice Questions (MCQs)

Q1: Which of the following is not a kharif crop?

A) Maize

B) Bajra

C) Soybean

D) Wheat

Q2: What is the main purpose of irrigation?

A) To increase soil fertility

B) To supply water to crops

C) To control pests

D) To harvest crops

Multiple Choice Questions (MCQs)

Q3: Which method of irrigation saves water and is most effective for a scarce water resource?

A) Sprinkler system

B) Drip system

C) Tube well

D) Chain pump

Q4: What does the process of harvesting involve?

A) Adding manure to the soil

B) Removing weeds

C) Cutting down the mature crop

D) Watering the plants

Q5: Which of the following is a benefit of using manure over fertilizers?

A) Increases water pollution

B) Reduces the number of microbes in the soil

C) Makes soil porous and improves texture

D) Decreases the water-holding capacity of the soil

Fill in the Blanks

Q1: The process of turning and loosening the soil is called _________.

Fill in the Blanks

Q2: Plants that are grown and cultivated on a large scale for food are called _________.

Q3: A tool used to cut the crop once it has matured is called a _________.

Q4: _________ crops are sown during the rainy season and harvested by September/October.

Q5: _________ is the term used to describe organic matter added to the soil to help improve its fertility.

True/False Questions

Q1: The sickle is used for ploughing the field. 

Q2: Chemical fertilizers add humus to the soil. 

Q3: Crop rotation can help replenish soil nutrients. 

Q4: All crops need to be stored in moisture-free conditions. 

Q5: Weeding is unnecessary for crop growth.

Very Short Answer Questions

Q1: Why can paddy not be grown in the winter season? 

Q2: What are good quality seeds? 

Q3: How are grains stored at home? 

Q4: What is sowing? 

Very Short Answer Questions

Q5: What is called weeding? 

Q6: Why does the loosening of soil allow the roots to breathe easily?

Q7: What are the advantages of using manure in crop fields?

Q8: Why do farmers rotate crops in the field?

Q9: What are rabi crops?

Q10: Why earthworms and microbes are called friends of farmers?

You can access the solutions to this worksheet here.

The document Worksheet: Crop Production and Management is a part of the Class 8 Course Science Class 8.
All you need of Class 8 at this link: Class 8

FAQs on Worksheet: Crop Production and Management

1. What are the main steps involved in crop production and management for Class 8?
Ans. Crop production involves four key stages: soil preparation, sowing seeds, crop maintenance, and harvesting. Soil preparation includes ploughing and levelling to improve fertility. Sowing involves planting seeds at correct spacing and depth. Maintenance includes watering, weeding, and applying fertilizers to ensure healthy growth. Finally, harvesting extracts mature crops for use. Understanding each step helps students grasp agricultural practices and food security fundamentals in CBSE Science.
2. How does irrigation work in crop management and why is it so important?
Ans. Irrigation supplies water to crops when rainfall is insufficient, ensuring consistent moisture for growth. Methods include sprinkler systems, drip irrigation, and canal systems. Different crops need varying water amounts depending on climate and soil type. Proper irrigation prevents crop failure, increases yield, and conserves water resources. Students should refer to flashcards and mind maps on EduRev to visualise different irrigation techniques and their applications in various regions.
3. What's the difference between organic farming and using chemical fertilizers in crop production?
Ans. Organic farming uses natural materials like compost and manure, avoiding synthetic chemicals, preserving soil health long-term. Chemical fertilizers provide quick nutrient boosts but may degrade soil quality over time. Organic methods are sustainable but slower-acting; chemical methods are faster but environmentally risky. Modern agriculture often combines both approaches. Students preparing for exams should understand this balance and its implications for agricultural sustainability.
4. Why do farmers use pesticides and herbicides in crop management?
Ans. Pesticides control harmful insects and diseases that damage crops, whilst herbicides eliminate weeds competing for nutrients and water. Without pest management, crop yield decreases significantly. However, excessive chemical use harms soil organisms and the environment. Integrated pest management balances protection with sustainability. Students should explore MCQ tests on EduRev covering pest control methods, their benefits, and environmental concerns for comprehensive exam preparation.
5. What are the differences between kharif and rabi crops and their growing seasons?
Ans. Kharif crops (monsoon crops) like rice and maize grow June-October, requiring heavy rainfall. Rabi crops (winter crops) like wheat and pulses grow October-March in cooler, drier conditions. Growing season selection depends on rainfall patterns, temperature, and soil type in different regions. Understanding seasonal crop patterns helps students grasp India's agricultural calendar and regional farming practices essential for CBSE Science assessments.
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