Crop Production and Management – Very Short Answer Type Questions
Class 8
Science
Chapter 1
Crop Production and Management — 50 Very Short Answer (VSA) Questions (Topic-wise)
CBSE Class 8 Science – Chapter Wise Study Materials Based on NCERT
CBSE Board Examinations — Chapter Presentation (Systematic):
- Unit Focus: Core agricultural practices, crop types, soil care, irrigation, pest control, harvesting and storage.
- Question Style: Very Short Answer (VSA) format — concise, exam-focused responses.
- Exam Tip: Keep answers precise; include one example where applicable and label diagrams when asked.
Note: These Very Short Questions with Answers are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 8 board exams standard.
Topic 1: Basics of Crop Production (Questions 1–6)
- Q1: What is a crop?A cultivated plant grown for food, fibre, fuel, or other uses.
- Q2: Define agriculture.The practice of growing crops and rearing animals for human use.
- Q3: What is sowing?Planting seeds in the soil.
- Q4: What is harvesting?Collecting mature crops from the fields.
- Q5: Define threshing.Separating grains from stalks.
- Q6: What is winnowing?Separating lighter chaff from heavier grains using wind or a winnowing fan.
Topic 2: Types of Crops & Seasons (Questions 7–11)
- Q7: Name a kharif crop.Paddy (rice).
- Q8: Name a rabi crop.Wheat.
- Q9: Give one example of mixed cropping.Growing maize and beans together.
- Q10: What is crop rotation?Growing different crops in sequence on the same land to maintain soil fertility.
- Q11: What is a cash crop?A crop grown for profit, e.g., sugarcane or cotton.
Topic 3: Steps in Crop Production (Questions 12–20)
- Q12: What is seed selection?Choosing high-quality, disease-resistant, and high-yielding seeds.
- Q13: What is seed treatment?Protecting seeds from diseases before sowing using chemicals or biological methods.
- Q14: What is ploughing?Turning and loosening the soil before sowing.
- Q15: Name one tool used for sowing.Seed drill.
- Q16: Define weeding.Removing unwanted plants that compete with crops for nutrients and water.
- Q17: What is threshing?The process of separating grains from stalks after harvesting.
- Q18: What does levelling the field do?Ensures uniform water distribution and easier sowing.
- Q19: Why are healthy seeds important?They lead to better germination and higher yields.
- Q20: Give one exam tip for answering steps-based questions.Write steps in correct sequence and include examples where applicable.
Topic 4: Soil and Nutrients (Questions 21–26)
- Q21: Give one function of soil.Provides nutrients and support to plant roots.
- Q22: What is organic manure?Decomposed organic material added to soil to improve fertility.
- Q23: What is chemical fertilizer?Chemical substances that supply specific nutrients like N, P, K to plants.
- Q24: One advantage of manure?Improves soil structure and water retention.
- Q25: One advantage of fertilizers?Provide nutrients quickly to meet immediate plant needs.
- Q26: What is soil erosion?Removal of topsoil by wind or water.
Topic 5: Irrigation Methods (Questions 27–31)
- Q27: Define irrigation.Supplying water to crops when rainfall is insufficient.
- Q28: Name a traditional irrigation method.Canal irrigation.
- Q29: Name a modern irrigation method.Drip irrigation.
- Q30: One benefit of drip irrigation?Conserves water by delivering it directly to the plant roots.
- Q31: What is sprinkler irrigation?A method that sprays water over crops like rainfall.
Topic 6: Protection from Pests (Questions 32–36)
- Q32: What is a pest?An organism that damages crops, such as insects, rodents, or fungi.
- Q33: What is a pesticide?A chemical used to kill or control pests.
- Q34: What is biological control?Using natural enemies to control pests.
- Q35: Give an example of biological control.Using ladybirds to eat aphids.
- Q36: What is integrated pest management (IPM)?Combining biological, cultural, and chemical methods to control pests sustainably.
Topic 7: Harvesting and Storage (Questions 37–41)
- Q37: What is harvesting?Collecting mature crops from the field.
- Q38: What is threshing?Separating grains from stalks.
- Q39: What is winnowing?Separating chaff from grains using wind or a fan.
- Q40: Define storage in agriculture.Keeping harvested produce safe from pests, moisture, and spoilage.
- Q41: One method to protect stored grains?Drying grains properly and storing in airtight containers.
Topic 8: Sustainable Practices and Miscellaneous (Questions 42–46)
- Q42: What is vermicompost?Compost produced using earthworms.
- Q43: What is organic farming?Farming without synthetic chemicals, using natural inputs and methods.
- Q44: How does crop rotation help?Prevents pest buildup and maintains soil fertility.
- Q45: One environmental issue from chemical overuse?Soil and water pollution.
- Q46: Give one benefit of adding organic matter to soil.Improves soil structure and increases water retention.
Topic 9: Quick Revision & NCERT Alignment (Questions 47–50)
- Q47: What is seed germination?Process by which a seed sprouts and grows into a seedling.
- Q48: Name one nutrient provided by nitrogen fertilizer.Nitrogen (N) — promotes leafy growth.
- Q49: Why practice levelling after ploughing?For uniform water distribution and easy sowing.
- Q50: Why use NCERT-based notes for revision?They align with the syllabus and focus on exam-relevant concepts for CBSE.
Note: These Very Short Questions with Answers are organized topic-wise and strictly follow the NCERT syllabus, making them ideal for CBSE Class 8 board exams standard.