CSS General Science & Ability Past Paper 2001
Objective/Subjective (100 Marks)
Q1. (a) What were the special characteristics of Muslim Scientists?
(b) What were the contributions of the following Muslim Scientists:
- Umar AI-Khayyam.
- Abu Ali Sina.
- Ibn Hayyan.
- John al Baitar.
- Zakariya Al-Razi.
Q2. (a) Differentiate clearly between Cyclone, Hurricane, and Tornado.
(b)
- Name two minerals which are exported from Pakistan.
- Name some gem-minerals used in Jewelry.
- What is the Dead Sea?
- Why does the Sun appear orange-red at the time of Sunrise and Sunset?
- Why does the total Eclipse happen only at the New Moon?
Q3.
(a) Name popular forms of Energy. Write five various scientific devices used to convert one type of energy into another form of energy.
(b) Write the meaning of the following units:
- Barrel.
- Joule.
- Btu.
- KWh.
- Newton.
Q4. Write short notes on any THREE of the following:
- Synthetic Polymers.
- Laser.
- Pesticides.
- Fission and Fusion.
- Paramagnetism and Diamagnetism.
Q5. Write the difference between:
- Microcomputer and Minicomputer.
- Mainframe and Supercomputer.
- Hardware and Software.
- Byte and Word.
- RAM and Cache memory.
Q6. Describe briefly the principle and working of any TWO of the following:
- Pressure Cooker.
- Television.
- Microwave Oven.
- Radar.
- Tape Recorder.
Q7. Differentiate between:
- DNA and RNA.
- Brass and Bronze.
- Blood and Lymph.
- Hard Water and Heavy Water.
- Smallpox and Measles.
- Pig Iron and Stainless Steel.
- Alloy and Amalgam.
- Isotopes and Isobars.
- Artery and Vein.
- Barrage and Dam.
Q8. Explain the scientific reasons for the following:
- It is not advisable to sleep under trees during the night.
- Water boils quicker on mountains.
- Rainbow is produced in the sky after rainfall and sunlight.
- Water remains cool in an Earthenware pitcher.
- Milk is considered as an ideal food.
Q9. Which of the following statements are true or false? Only write “True” or “False” in the answer book. Do not reproduce the statement.
- Urea is a phosphate fertilizer.
- Cellulose is a natural polymer.
- Magnetite is the ore of copper.
- Malaria is caused by drinking polluted water.
- The instrument used to measure the velocity of wind is a Barometer.
- Our eye is very sensitive to blue light.
- Sound cannot travel through vacuum.
- Enzymes are biological catalysts.
- Leprosy is a disorder of the Nervous System.
- Mica is a non-conductor of electricity.
Q10. What are Endocrine glands? Name any four. From which part of the body are the following secreted:
- Insulin.
- Thyroxin.
- Adrenaline.
- Oestrogen.
- Testosterone.
- Cortisol.
Q11.
(a) Name the important parts of a Flower.
(b) Explain the Pollination and Fertilization processes.
Q12. Write short notes on any FIVE of the following:
- Ecosystem.
- CNG.
- PVC.
- Hormones.
- Antibiotics.
- Ceramics.
- Greenhouse Effect.
- Photosynthesis.
- Pasteurization.
- Vaccine.
Q13. What are the factors of water pollution? What types of diseases are transmitted by using polluted water? Discuss the methods to control pollution of water.
Q14. Fill in the blanks with appropriate words:
- The purpose of a computer is ____.
- Polio is caused by ____.
- The stalagmite is a deposit of ____.
- Bauxite is one of _____.
- The chemical name of washing soda is _____.
- The main constituent of Sui gas is ____.
- ____ color has the shortest wavelength.
- Glass is a ____.
- Monomers of protein are ____.
- Ascorbic acid is vitamin ____.
- The solar system has ____.
- AIDS is caused by ____.
- In a normal resting person, the rate of heartbeat is ____.
- The science which deals with heredity is known as ____.
- In Pakistan, Copper mineral is found in ____.
- The most abundant element in the earth’s crust is ____.
- ____ is an apparatus used for measuring the pressure of gases.
- The smallest branches of an artery lead into tiny blood vessels called ____.
- The living part of a plant cell is composed of a nucleus and ____.
- The fastest revolving planet is ____.