Here are 5 most trending questions from the chapter "Life Processes" with short answers:
1. Why is the small intestine the main site for the complete digestion of food?
Answer: The small intestine has digestive enzymes from the pancreas and bile from the liver, which help in breaking down carbohydrates, proteins, and fats. It also has villi for maximum absorption of nutrients.
2. What is the role of stomata in plants?
Answer: Stomata are tiny pores on leaves that help in:
- Gas exchange (Oxygen and Carbon dioxide).
- Transpiration (Water loss to cool the plant).
3. Why do arteries have thick and elastic walls?
Answer: Arteries carry blood at high pressure from the heart, so they need thick and elastic walls to withstand the pressure and prevent rupture.
4. What is the function of platelets in blood?
Answer: Platelets help in blood clotting, preventing excessive bleeding during injuries.
5. How does transpiration help in the upward movement of water in plants?
Answer: Transpiration pull creates a vacuum that helps pull water upward through xylem vessels from roots to leaves.
These are exam-relevant and concept-based short answers. Let me know if you need more details!
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