CSS General Science & Ability Past Paper 2002
Objective/Subjective (100 Marks)
Q1. Choose the one alternative that best completes the statement or answers the question (1 each):
1. Glycogen is an example of:
(A) Carbohydrate
(B) Peptide
(C) Lipid
(D) Steroids
2. The cell structure that controls the movement of material into and out of the cell is the:
(A) Mitochondria
(B) Cell membrane
(C) Centriole
(D) Golgi body
3. The unit that coordinates different devices of the computer system is:
(A) ALU
(B) Register
(C) Control unit
(D) Logical instructions
4. ____ manages and controls various functions of the computer:
(A) Input/output device
(B) Main memory
(C) Operating system
(D) Both A & B
5. The number of natural satellites orbiting around the planet Mars is:
(A) 1
(B) 2
(C) 5
(D) 14
6. ____ is an example of mechanical digestion:
(A) Glycolysis
(B) Hydrolysis
(C) Mastication
(D) Defecation
7. Botanically, a fruit is a/an:
(A) Ripened ovule
(B) Mature stigma
(C) Ripened ovary
(D) Fully mature flowering stalk
8. The vocal folds are part of the:
(A) Nasal cavity
(B) Larynx
(C) Trachea
(D) Laryngopharynx
9. Blood glucose is raised by all of the following except:
(A) Glycogen
(B) Insulin
(C) Cortisol
(D) Epinephrine
10. The famous book Al-Qanoon was written by the Muslim scientist:
(A) Jabir-ibn-Hayan
(B) Ibn al-Haytham
(C) Ibn Sina
(D) Ibn Al-Tabari
Q2. Fill in the blanks with suitable words:
(A) Heavenly objects, which resemble stars and emit radio waves, are called ____.
(B) ____ are hot springs that erupt hot water and steam from time to time.
(C) Hot liquid rock beneath the Earth’s surface is called ____.
(D) The first simple microscope was invented by ____.
(E) ____ is the powerhouse of the cell.
(F) The ability of the air to absorb long heat waves from the Earth after allowing short waves from the sun to pass through it is known as ____.
(G) Computer works on the principle introduced by the Muslim scientist _.
(H) The coldest planet of the solar system is ____.
(I) The rupture of red blood cells is called ____.
(J) Muslim scientist Ali ibn Al-Tabari is famous for his work on ____.
Q3. Write short notes on any two of the following:
(A) Acid Rain
(B) Pesticides
(C) Endocrine System
Q4. Differentiate between any five of the following pairs:
(A) Rotation and Revolution of Earth
(B) Monocot and Dicot Plants
(C) Pollination and Fertilization
(D) Umbra and Penumbra
(E) Nucleus and Nucleolus
(F) Heavy Water and Hard Water
Q5. What is the solar system? Indicate the position of the planet Pluto in it. State the characteristics that classify it as:
(A) A Planet
(B) An Asteroid
Q6. Which quantities are measured by the following SI units?
(A) Watt
(B) Coulomb
(C) Pascal
(D) Ohm
(E) Kelvin
(F) Joule
(G) Meter
(H) Faraday
(I) Hertz
(J) Ampere
Q7. What are minerals? For most of the part, minerals are constituted of eight elements. Name any six of them. State the six characteristics used to identify minerals.
Q8. Define any five of the following terms using suitable examples:
(A) Polymerization
(B) Ecosystem
(C) Antibiotics
(D) Renewable Energy Resources
(E) Gene
(F) Software
Q9. What do you understand by the term “Balanced Diet”? What are its essential constituents? State the function of each constituent.
Q10. Which of the following statements are true and which are false? (1 each)
(A) Haploid cells result from the process of mitosis.
(B) All stars are of the same color.
(C) The left lung has two lobes while the right lung has three lobes.
(D) The pulmonary veins return oxygenated blood to the right atrium.
(E) Muslim Scientist Ibn Haitham is famous for his work on planets.
(F) Our galaxy, the Milky Way, is shaped like a large thick concave lens with a large central bulge.
(G) DNA has a double helix structure while RNA does not have a double helix structure.
(H) The normal temperature of human blood is 37°C (98.6°F).
(I) The liver is a part of the gastrointestinal tract.
(J) Movement of tectonic plates may cause the eruption of a volcano.
Q11. What do the following scientific abbreviations stand for? (1 each)
(A) LASER
(B) RADAR
(C) LPG
(D) PVC
(E) CFC
(F) AIDS
(G) ROM
(H) LAN
(I) WWW
(J) DNA
Q12. Give brief scientific reasons for any five of the following statements:
(A) Lunar eclipse lasts much longer than a solar eclipse.
(B) Goiter is common in people living in hilly areas.
(C) Mixture of ice and salt (sodium chloride) is used as a freezing mixture.
(D) Detergents are better cleaning agents compared to soap.
(E) Decomposers are important for life on land and water.
(F) Places near the sea are cooler in summer and warmer in winter than places farther inland.
Q13. Name (1 each):
(A) A disease caused by a deficiency of vitamin C.
(B) The major fossil fuel impurity.
(C) The instrument used to measure the degree of humidity.
(D) An ore of Zinc.
(E) Two most abundant elements present in the sun.
(F) The metal atom present in chlorophyll.
(G) The gland responsible for the secretion of the hormone estrogen.
(H) An element used in the doping of silicon for the preparation of a p-type semiconductor.
(I) A synthetic fiber which is a polyamide.
(J) Major constituent of Biogas.
Q14. What are fertilizers? What do you understand by the term NPK fertilizer? How do fertilizers contribute to water pollution?