Biology is the natural science that studies life and living organisms, including their physical structure,
chemical processes, molecular interactions, physiological mechanisms, development and evolution.
Biology looks at how animals and other organisms behave and work, and what they are like.
Biology also studies how organisms react with each other and the environment.
1. Crop Production and Management
Questions: Crop production: How are different
food crops produced? What are the various foods we get from animal sources?
Questions: What living organisms do we see under a microscope in a drop of water? What helps make curd? How does food go bad? How do we preserve food?
Key Concepts: Micro organisms – useful and harmful.
3. Conservation of Plants and Animals
Questions: What are reserve forests/ sanctuaries etc?
How do we keep track of our plants and animals?
How do we know that some species are in danger of disappearing?
What would happen if you continuously cut trees?
Key Concepts: Conservation of biodiversity/wild life/plants; zoos, sanctuaries, forest reserves etc. flora, fauna endangered species, red data book; endemic species, migration.
4. The Cell
Questions: What is the internal structure of a plant – what will we see if we look under the microscope? Which cells from our bodies can be easily seen? Are all cells similar?
Key Concepts: Cell structure, plant and animal cells,use of stain to observe, cell organelles – nucleus, vacuole, chloroplast, cell membrane, cell wall.
5. Reproduction in Animals
Questions: How do babies develop inside the mother? How is the sex of the child determined? Do all animals give birth to young ones?
Key Concepts: Sexual reproduction, reproductive health; internal and external fertilisation.
6. Reaching the age of adoloscence
Questions: Adolescence, Puberty, Changes during puberty, menarche, menopause Different hormones and their functions
Key Concepts: Menstrual Cycle, Hormones and their functions, metamorphosis
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