Class 9 Science Improvement in Food Resources Extra Question Answer
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What do we get from crops, fruits, and vegetables?
We get proteins, carbohydrates, oils, vitamins, and minerals necessary for growth, health, and energy.
Why is agriculture important in India?
Most of the population depends on agriculture for food and income, and it supports our economy.
What is the significance of high yielding crops?
They produce more food, which is crucial for feeding the growing population.
Why is crop rotation necessary?
It maintains soil fertility and prevents pests and diseases.
How can irrigation help in farming?
It provides water to crops, especially during dry seasons, boosting yield.
What factors influence the selection of crops?
Soil type, climate, water availability, and resistance to pests.
What is hybridization in crops?
Crossing two different varieties to create a new one with better qualities.
Why is organic farming gaining popularity?
It avoids chemicals, is ecofriendly, and produces healthier food.
What are GM crops?
Genetically modified crops with improved traits like higher yield and pest resistance.
Why are fertilizers important?
They replenish nutrients in the soil, aiding plant growth.
What is animal husbandry?
Managing animals to obtain products like milk, meat, and wool.
What are the main livestock in India?
Cows, buffaloes, goats, sheep, and poultry.
Why is cattle farming important?
It provides milk, a primary source of protein, and also helps in farming activities.
What is poultry farming?
Raising chickens, ducks, and other birds for eggs and meat.
What is the role of organic manure in farming?
It improves soil fertility naturally without chemicals.
How does mixed cropping benefit farmers?
It reduces the risk of total crop failure due to pests or weather.
What are the benefits of integrated pest management?
It minimizes chemical use, protects the environment, and ensures healthy crops.
How can soil erosion be prevented?
By planting trees, using cover crops, and building terraces.
What is the role of biotechnology in farming?
It creates better crop varieties and improves pest and disease resistance.
Why do farmers need to store grains properly?
To protect them from pests, rodents, and moisture.
What is crop insurance?
It helps farmers recover losses due to natural calamities.
Why is milk pasteurization essential?
It kills harmful bacteria and ensures milk safety.
What is the Green Revolution?
A period when agriculture was improved using modern methods, leading to increased food production.
Why should we conserve water in agriculture?
Water is a limited resource, and conserving it ensures future farming sustainability.
