Why is this chapter crucial for the future?
What lesson does it teach?
Meaning of food resources
What are food resources?
Need for improvement
Why is improvement in food resources necessary?
Types of food crops
Name the main types of food crops.
Cropping seasons
What are cropping seasons in India?
Kharif crops
Give examples of Kharif crops.
Rabi crops
Name some Rabi crops.
Why is the cell called the fundamental unit of life?
Students often hear this line but don’t really feel it. Why exactly is the cell so important?
Zaid crops
What are Zaid crops?
Who discovered cells and how?
How did scientists even know cells existed without modern microscopes?
Crop variety improvement
What is crop variety improvement?
Why do cells look different in shape and size?
If all cells do similar jobs, why don’t they look the same?
Objectives of improvement
State two objectives of crop variety improvement.
What is the difference between unicellular and multicellular organisms?
Can one cell really do everything?
Hybridization
What is hybridization?
Study Materials
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