Topic Details (Notes format)

Evolution and Natural Selection

Subject: General Science

Book: NCERT Biology Class 12

Study of changes in species over time.
- **Darwin’s Theory of Evolution**:
- Natural selection and survival of the fittest.
- **Evidences of Evolution**:
- Fossil records, homologous structures.
- **Genetic Drift and Speciation**:
- Role in biodiversity.

**Possible Exam Questions:**
1. Explain Darwin’s theory of natural selection.
2. What is the role of genetic drift in evolution?
3. Discuss the evidence supporting evolution.
4. What is speciation? How does it occur?
5. Differentiate between homologous and analogous organs.

Practice Questions

Which gas is used in the process of welding?

View Question

What is the boiling point of water at standard atmospheric pressure?

View Question

Which organ in the human body produces bile?

View Question

Which type of bond is present in sodium chloride?

View Question

Which metal is liquid at room temperature?

View Question

What is the function of hemoglobin in the blood?

View Question

What is the smallest unit of life?

View Question

Which of the following is a fundamental force in nature?

View Question

What is the SI unit of temperature?

View Question

Which gas is used in fire extinguishers?

View Question