Very Short Questions
1. What is nutrition?
Answer:
Nutrition is the process of obtaining and utilizing food for growth, energy, and maintenance.
2. Name the process by which green plants make their food.
Answer:
Photosynthesis.
3. What are autotrophs? Give one example.
Answer:
Autotrophs are organisms that make their own food using sunlight. Example: Green plants.
4. What are heterotrophs? Give one example.
Answer:
Heterotrophs are organisms that depend on other organisms for food. Example: Humans.
5. Which pigment is responsible for photosynthesis?
Answer:
Chlorophyll.
6. Name the gas used by plants during photosynthesis.
Answer:
Carbon dioxide.
7. What is the main source of energy for plants?
Answer:
Sunlight.
8. Name the end products of photosynthesis.
Answer:
Glucose and oxygen.
9. What are stomata?
Answer:
Stomata are tiny pores on leaves that help in gas exchange.
10. Give one example of a parasitic plant.
Answer:
Cuscuta (Amarbel).