Topic Details (Notes format)

Plant Growth Regulators

Subject: General Science

Book: NCERT Biology Class 12

Study of hormones controlling plant growth.
- **Types of Plant Hormones**:
- Auxins, gibberellins, cytokinins, ethylene, abscisic acid.
- **Effects on Growth and Development**:
- Seed germination, fruit ripening, leaf fall.
- **Applications in Agriculture**:
- Hybridization, tissue culture.

**Possible Exam Questions:**
1. What are plant growth regulators? Name them.
2. Explain the role of auxins in plant growth.
3. How does ethylene influence fruit ripening?
4. Discuss the agricultural applications of gibberellins.
5. What is the role of abscisic acid in plant dormancy?

Practice Questions

What is the main component of the human skeleton?

View Question

What is the SI unit of power?

View Question

What is the most abundant element in the universe?

View Question

Which disease is caused by a virus?

View Question

What is the most abundant gas in the Sun?

View Question

What is the chemical formula of methane?

View Question

Which gas is most abundant in Earth’s atmosphere?

View Question

What is the chemical formula of sulfuric acid?

View Question

What is the unit of force in the SI system?

View Question

What type of macromolecule is an enzyme?

View Question