Q.NO: 01 (Each Question Carry 10 Marks)

1. Define major sources of Water Pollution. How do our domestic and industrial activities pollute water? Elaborate with examples three main Industrial water pollutants.
2. What do you understand by Acid Rain. Is there any relation of following with acid rain? Explain with examples.

(i) Global Warming (ii) Ozone Depletion (iii) Green House Effect.

Q.NO: 02 (Each Question Carry 05 Marks)

1. Define Renewable and Non-Renewable Energy Sources. Provide example
   of each.
2. Among all Renewable Energy Sources highlight, which one is more efficient. Please rank them as per their efficiencies,
3. What is Wind Corridor? What are the potential areas in Pakistan where these Wind Corridor are located?
4. We have seen Solar Panels everywhere. Could you name the technology behind these panels as they are known commonly as PV panels?

Q.NO: 03 (Each Question Carry 05 Marks)

1. Define Vaccine and Antibiotics. How they differ in their functioning.
2. What is the harmful impact of fertilizer on soil? How they harm human life.
3. Pesticides are essential for Agricultural Growth. Do you agree or disagree
   this statement?
4. Biodegradable plastic is the solution of many Environmental problems.
   Please explain.

Q.NO: 04 (Each Question Carry 05 Marks)

1. Write short note on the following:
   (i) Proteins (ii) Lipids (iii) Carbohydrates (iv) Enzymes.
2. Define Cell Structure. What are Three functions of cell.
3. Compare and contrast four similarities and differences in animal and plant cell.
4. What is Dengue. Discuss its causes and prevention techniques.

Q.NO: 05 (Each Question Carry 05 Marks)

1. How a diet is termed as ‘Balanced Diet’. Discuss different food group
   consisting in Balanced Diet.
2. What is Adulteration. Give examples from daily habits of eating.
3. Why preservatives are added in food items. Give reasons.
4. How Antioxidants in food help to maintain our health. Explain with examples.