Agriculture, Forestry and Medical Plants
Telangana Open School (TOSS) · Class 12 · Biology
Complete topic list for Agriculture, Forestry and Medical Plants in Telangana Open School (TOSS) Class 12 Biology. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Agriculture, Forestry and Medical Plants
Role of Agriculture
- Agriculture provides food, clothing, and shelter.
- Plants supply carbohydrates, proteins, fibers, and oils.
- Cultivated plants are grown by humans (e.g., wheat, rice), while wild plants grow naturally (e.g., bathua, cholai).
Classification of Crops
- Crops are classified based on their use.
- Main categories: Cereal crops, Pulse crops, Fruit crops, Vegetable crops, Oilseed crops, and Fibre crops.
- Cereals (wheat, rice, maize) are rich in carbohydrates.
Green Revolution
- Before 1952, wheat and rice yields were low (654 kg and 800 kg per hectare).
- Green Revolution refers to the dramatic increase in crop yields through modern techniques.
- Key factors: High-yielding varieties (HYVs), multiple cropping, better irrigation, fertilizers, pest control, and scientific farming transfer.
Forests and Their Importance
- Forest is a large land area dominated by trees of various species and ages.
- Forestry is the science of studying and managing forests.
- Types of forests: Coniferous, Deciduous, and Tropical Rain Forests.
Key Concepts
Central concept: Importance of Plants in Human Life
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