NCERT Class 9 Skill Education MCQ Chapter 3 Precision Farming English Medium As Per New Syllabus. to each chapter is provided in the list so that you can easily browse through different chapters NCERT Class 9 Skill Education MCQ Chapter 3 Precision Farming and select need one. NCERT Class 9 Skill Education MCQ Chapter 3 Precision Farming Download PDF. NCERT Class 9 Skill Education Objective Type Solutions.
NCERT Class 9 Skill Education MCQ Chapter 3 Precision Farming
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Precision Farming
Chapter: 3
| MCQ |
1. What does the red colour on a crop health map generated by remote sensing indicate?
(a) Best crop health.
(b) Average crop health.
(c) Worst crop health.
(d) Ready for harvest.
Ans: (c) Worst crop health.
2. What does the word ‘precision’ mean in precision farming?
(a) Watering the entire field randomly.
(b) Exactly as required and consistent.
(c) Relying solely on manual tools.
(d) Growing crops without water.
Ans: (b) Exactly as required and consistent.
3. How are seeds typically sown in precision farming?
(a) Sowing with the help of machinery at proper spacing and depth.
(b) Seed broadcasting.
(c) Sowing with manual tools randomly.
(d) Scattering over flooded fields.
Ans: (a) Sowing with the help of machinery at proper spacing and depth.
4. What is the recommended life cycle duration for plants selected for a school precision farming unit?
(a) 1–2 weeks
(b) 2–3 months
(c) 6–8 months
(d) 1–2 years
Ans: (b) 2–3 months
5. Which crop protection method is used for lowering temperature and protecting crops from rainfall and frost?
(a) Low-tunnel.
(b) Humidity chamber.
(c) Shade-net.
(d) Greenhouse.
Ans: (d) Greenhouse.
6. What is the primary advantage of using a low-tunnel?
(a) Increasing humidity for seedlings.
(b) Decreasing the temperature significantly.
(c) Increasing temperature and protecting plants from intense sunlight.
(d) Exposing plants to heavy rainfall.
Ans: (c) Increasing temperature and protecting plants from intense sunlight.
7. Which tool is used to measure the humidity within a chamber?
(a) Measuring tape.
(b) Hygrometer (humidity meter).
(c) Hand trowel.
(d) Soil moisture sensor.
Ans: (b) Hygrometer (humidity meter).
8. What is the use of a hand trowel in precision farming?
(a) Measuring humidity.
(b) Cutting stems and removing dried leaves.
(c) Digging soil, planting seeds, and transplanting seedlings.
(d) Marking systematic grid layout.
Ans: (c) Digging soil, planting seeds, and transplanting seedlings.
9. Why is a ‘Bill of Materials’ prepared before setting up a farming unit?
(a) To identify pests and insects.
(b) To map crop health.
(c) To estimate costs in advance and avoid waste by buying only what is necessary.
(d) To calculate soil acidity.
Ans: (c) To estimate costs in advance and avoid waste by buying only what is necessary
10. When creating a simple low-tunnel, what mixture and proportion should be spread at the base?
(a) Soil and water (2:1)
(b) Sand and compost (1:1)
(c) Cocopeat and soil (1:2)
(d) Rocks and sand (3:1)
Ans: (b) Sand and compost (1:1)
11. Why is a filter unit added to a drip irrigation system?
(a) To dissolve nutrients.
(b) To cool down the water.
(c) To increase water pressure.
(d) To prevent the clogging of pipes and drippers.
Ans: (d) To prevent the clogging of pipes and drippers.
12. What is the process of dissolving fertilizers into the irrigation tank so water and nutrients are delivered together called?
(a) Fermentation.
(b) Fertigation.
(c) Mulching.
(d) Broadcasting.
Ans: (b) Fertigation.
13. Which chemical solution is used to perform a rough estimation of organic carbon in the soil?
(a) Lactic Acid.
(b) 3 per cent Hydrogen Peroxide (H2O2)
(c) Nitrogen dioxide.
(d) Sodium chloride.
Ans: (b) 3 per cent Hydrogen Peroxide (H2O2)
14. During the soil organic carbon test, what does intense effervescence and/or foam indicate?
(a) Very low organic carbon.
(b) Moderate organic carbon.
(c) Good or high organic carbon.
(d) Zero organic carbon.
Ans: (c) Good or high organic carbon.
15. What is the target percentage of organic carbon that soil must contain for healthy plant growth?
(a) 0.5% to 1.0%
(b) 1.5% to 2.0%
(c) 3.0% to 5.0%
(d) 10% to 15%
Ans: (b) 1.5% to 2.0%
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