Federal Board Class IX General Science

SECTION “A”

NOTE: Section-A is compulsory. All parts of this section are to be answered on the question paper itself. It should be completed in the first 20 minutes and handed over to the Centre Superintendent. Deleting / overwriting are not allowed. Do not use lead pencil.

Q.1. Circle the correct option i.e. A/B/C/D. Each part carries one mark.

i. What percentage of carbon is present in human body?

• 15%
• 20%
• 18%
• 22%

ii. Diamond is an allotropic form of carbon which is _______

• Soft
• Softest
• Slightly hard
• Hardest

iii. Which element is found in chlorophyll present in leaves of plants?

• Sodium
• Calcium
• Magnesium
• Iron

iv. Ringworm is caused by ________

• Bacteria
• Virus
• Fungus
• Algae

v. Which of the following is the disease of digestive tract?

• Cholera
• Smallpox
• Diphtheria
• Malaria

vi. Which of the following medicines can kill the germs?

• Antigen
• Antibody
• Antibiotics
• Anticoagulants

vii. Which of the following is main source of energy on the earth?

• Sun
• Hydroelectric power
• Fossil fuel
• Nuclear energy

viii. What is used to get energy in nuclear power plant?

• Uranium
• Hydrogen
• Sodium
• Potassium

ix. Which of the following is NOT the unit of energy?

• Calorie
• Joule
• Watt
• Kilowatt hour

x. The energy of a body due to its motion is called ________

• Kinetic energy
• Potential energy
• Chemical energy
• Nuclear energy

xi. Dr. Abdus Salam proposed a theory of unification for the ________.

• 3 basic forces
• 4 basic forces
• 2 basic forces
• 5 basic forces

xii. Which of the following is NOT a viral disease?

• smallpox
• Polio
• AIDS
• T.B

xiii. Which gas is responsible for fermentation?

• Oxygen
• Nitrogen
• Carbon dioxide
• None of these

xiv. At what temperature does water have its maximum density?

• 5 C
• 6 C
• 4 C
• 8 C

xv. The device that converts sound waves into electrical signals is called ________.

• Oscillator
• Microphone
• Rectifier
• Loud Speaker

SECTION “B”

Q.2. Answer any TWELVE parts. The answer to each part should not exceed 3 to 4 lines. (36)

i. What is the role of science in agriculture?

ii. Write short notes on three forms of iron.

iii. What is the difference between Photosynthesis and Respiration?

iv. Compare the properties of Diamond and graphite, the two allotropic forms of Carbon.

v. What is the importance of Iodine in human body?

vi. Define mental illness. Differentiate between Neuroses and psychosis.

vii. Write a brief note on the structure of virus.

viii. What is the relationship between Work and Energy?

ix. Write a short note on Solar Cell.

x. Write down the contribution of Al-Beruni in the filed of science.

xi. What is the difference between P-type and N-type semiconductor?

xii. What down three uses of diode.

xiii. Draw the block diagram of radio transmitter.

xiv. Write a brief note on the CPU of computer.

xv. What is the difference between ROM and RAM?

xvi. What is the importance of sodium in our daily life?

xvii. Write a note on Astronomy as a branch of Science.

xviii. Give three example of interconversion of energy.

SECTION “C”

NOTE: Attempt any THREE questions. Each question carries equal marks. (24)

Q.3. Write short notes o satellite T.V. and Microprocessor.

Q.4. (a) What do you know about tuberculosis? Write in detail.
Q.4. (b) What is the difference between Kinetic energy and Potential energy?

Q.5. Explain the working of Solar House Heating System with the help of a diagram.

Q.6. Write notes on Hepatitis and Malaria.