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.
