Federal Board Class IX General Science

SECTION “A”

Q.1. Insert the correct option i.e. A/B/C/D in the empty box provided opposite each part. Each part carries one mark.

i. Ibn-ul-Haithem is considered the father of ________.

• Optics
• Chemistry
• Botany
• Zoology

ii. Dr. Samar Mubarak Man is the chairman of ________.

• Dr. A.Q. Khan Laboratories
• NESCOM
• WAPDA
• GCISC

iii. Astronomy deals with the study of ________.

• Composition of Earth
• Plants
• Composition of Matter
• Heavenly Bodies

iv. The most impure form of iron is ________.

• Cast Iron
• Wrought Iron
• Pig Iron
• Steel

v. The density of water is maximum at ________.

• 100 C
• 0 C
• 20 C
• 4 C

vi. Chlorine is used in the manufacturing of insecticides

• Chloroform
• Bleaching powder
• C.D.D.T
• Plastics

vii. Ring Worm is caused by

• Bacterium
• Virus
• Fungus
• Plasmodium

viii. Infants should be immunized against T.B. with

• BCG
• DPT
• ATS
• HIV

ix. Hepatitis is a disease of ________.

• Lungs
• Intestine
• Stomach
• Liver

x. What is energy that a body possesses due to motion called?

• Heat Energy
• Potential Energy
• Electrical Energy
• Kinetic Energy

xi. A cellular Telephone sends and receives signals in the form of ________.

• Light waves
• Radio waves
• Heat waves
• X-rays

xii. The common unit to measure energy obtained from food is ________.

• Watt
• Mega Watt
• Calorie
• Sun

xiii. The main source of energy on the earth is

• Fuel
• Oil
• Coal
• Sun

xiv. Silicon and Germanium are ________.

• Conductors
• Insulators
• Semi Conductors
• Non-Conductors

xv. Plants require calcium for their:

• Excretion
• Movement
• Reproduction
• Growth

SECTION “B”

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

i. Briefly write the contribution of Jabar-Bin-Hayan, in the field of science.

ii. Write a short note on Physics as a branch of science.

iii. What are the limitation of science?

iv. Write a short note on Respiration.

v. What is the role and use of Ozone?

vi. What is the importance of Iodine for out health?

vii. Write a short note on Cholera.

viii. Write a short note on Narcotics.

ix. Define Joule and Calorie. Also write the relation between Joule and Calorie.

x. Write any three uses of Oxygen.

xi. Write briefly about the viral disease Polio.

xii. What are Solar Cells?

xiii. What is the Chemical Energy?

xiv. How do we obtain energy from water?

xv. Write briefly about the Telex Machine.

xvi. What are the Radio Waves?

xvii. What are the uses of Diodes?

xviii. How is a pure semiconductor changed into P-type material?

SECTION “C”

NOTE: Attempt any THREE questions. All questions carry equal marks.

Q.3. What is Allotropy? Explain different Allotropy forms of Carbon.

Q.4. Write a detailed note on Cancer. Also write its Symptoms and Treatment.

Q.5. What are the possible measures to save Energy at HOMES and in INDUSTRIES?

Q.6. What is Computer? Describe its basic part and their function, in detail?