Topic Details (Notes format)

Plant Growth and Development

Subject: General Science

Book: NCERT Biology Class 12

Study of growth patterns in plants.
- **Plant Hormones**:
- Auxins, gibberellins, cytokinins, ethylene.
- **Growth Curves**:
- Phases of growth.
- **Photoperiodism and Vernalization**:
- Effects of light and temperature.

**Possible Exam Questions:**
1. What are the different plant hormones and their functions?
2. Explain the concept of photoperiodism in plants.
3. Describe the phases of plant growth.
4. What is vernalization? How does it affect plant development?
5. How do gibberellins influence seed germination?

Practice Questions

What is the unit of electric current?

View Question

Which gas is known as "laughing gas"?

View Question

Which is the smallest bone in the human body?

View Question

Which metal is liquid at room temperature?

View Question

Which type of bond is present in sodium chloride?

View Question

Which organ is responsible for detoxifying harmful substances in the human body?

View Question

What is the primary function of white blood cells?

View Question

Which acid is found in the human stomach?

View Question

What is the primary source of energy for life on Earth?

View Question

Which organelle is responsible for photosynthesis in plants?

View Question