Topic Details (Notes format)

Circulatory System

Subject: General Science

Book: NCERT Biology Class 12

Study of blood circulation in humans.
- **Heart and Blood Vessels**:
- Structure and function.
- **Cardiac Cycle**:
- Systole and diastole.
- **Blood Groups and Transfusion**:
- ABO system and Rh factor.

**Possible Exam Questions:**
1. Explain the structure and working of the human heart.
2. What are the differences between arteries, veins, and capillaries?
3. Describe the cardiac cycle and its phases.
4. How do blood groups affect transfusion compatibility?
5. Discuss disorders like hypertension and atherosclerosis.

Practice Questions

What is the approximate age of the Earth?

View Question

Which gas is commonly used in balloons to make them float?

View Question

Which part of the cell contains the genetic material?

View Question

Which element is the most abundant in the Earth’s crust?

View Question

What is the chemical name of table salt?

View Question

What type of macromolecule is an enzyme?

View Question

Which law states that energy cannot be created or destroyed?

View Question

Which of the following is a fundamental force in nature?

View Question

Which part of the cell is responsible for energy production?

View Question

Which organ stores and releases glucose in the human body?

View Question