Topic Details (Notes format)

Excretory System and Waste Removal

Subject: General Science

Book: NCERT Biology Class 12

Study of how the body removes metabolic waste.
- **Kidneys and Nephron**:
- Filtration, reabsorption, secretion.
- **Urine Formation**:
- Role of ADH and osmoregulation.
- **Kidney Disorders**:
- Stones, renal failure, dialysis.

**Possible Exam Questions:**
1. Describe the structure and function of a nephron.
2. Explain the process of urine formation.
3. How does osmoregulation maintain water balance?
4. What are the causes and symptoms of kidney stones?
5. Discuss the process and significance of dialysis.

Practice Questions

What is the primary function of red blood cells (RBCs) in the human body?

View Question

What is the main purpose of stomata in plants?

View Question

What is the unit of frequency?

View Question

Which law states that energy cannot be created or destroyed?

View Question

What is the function of hemoglobin in the blood?

View Question

What is the atomic number of hydrogen?

View Question

What is the chemical formula of methane?

View Question

What type of electromagnetic radiation has the longest wavelength?

View Question

Which part of the plant conducts water?

View Question

What is the primary function of white blood cells?

View Question