CSS General Science & Ability Past Paper 2004
Subjective/Objective (100 Marks)
Q1. Write short notes on any two of the following:
(a) Superconductivity
(b) Night Vision Technology
(c) Seismograph
Q2. Briefly write down the characteristics of:
(a) Mercury
(b) Pluto
Q3. Give Name:
(a) The desert mammal which does not drink water: _______
(b) The mixture which can dissolve platinum: _______
(c) The constituent elements of Bronze: _______
(d) The vitamin whose deficiency causes beriberi: _______
(e) The electrical device which transforms voltage: _______
(f) A nuclear reaction in which lighter nuclei fuse to form a heavier one: Nuclear Fusion
(g) The purest naturally occurring crystalline form of carbon: _______
(h) The hormone secreted by the adrenal cortex: _______
(i) The three-color combination that produces the sensation of white light: _______
(j) The defect of vision due to which distant objects are not clearly visible: _______
Q4. What are fertilizers? What do you understand by the term NPK fertilizer? How do fertilizers contribute to pollution?
Q5. Write briefly about any five of the following:
(a) Nuclear radiation
(b) Theodolite
(c) Dialysis
(d) Enrichment of Uranium
(e) Richter Scale
(f) Aqua regia
(g) Iodized salt
Q6. Which physical quantities are measured by the following units?
(a) Rutherford
(b) Torr
(c) Fermi
(d) Svedberg unit
(e) Dioptre
(f) Mho
(g) Henry
(h) Maxwell
(i) Becquerel
(j) Kilo watt hour
Q7. What are the various sources of energy? How is energy produced on the surface of the sun? What will be the future of the sun?
Q8. Which of the following statements are true and which are false?
(a) A six-foot-tall lady can see her full image in a three-foot plane mirror.
(b) Vanadium occurs naturally in an oxide state.
(c) Fiber optics cable carries data in the form of light.
(d) Blue flame is hotter than red flame.
(e) Yellow leaves falling during autumn help plants get rid of accumulated wastes.
(f) Friction is a necessary evil.
(g) There are 9.5 x 10¹⁵ meters in one light year.
(h) The velocity of a moving object is least where the pressure is greatest.
(i) Heat reaches Earth from the sun through convection.
(j) Meningitis is the inflammation of the liver.
Q9. Differentiate between the following pairs:
(a) Periscope & Pyrometer
(b) Cell & Battery
(c) Perimeter & Altimeter
(d) Pelage & Plumage
(e) Smog & Smoke
Q10. Fill in the blanks:
(a) The largest planet of the solar system is _______.
(b) The temperature of a dead human body on the Celsius scale is _______.
(c) Two factors for a long jump are the angle of the jump and _______.
(d) The number of spinal nerves in humans is _______ pairs.
(e) A primary cell can _______ be recharged.
(f) Halos around the moon are formed due to the phenomenon of _______.
(g) Scattering of light _______ the duration of the day.
(h) Muscle stiffness is caused by _______.
(i) Oil rises in a lamp’s wick due to the property of _______.
(j) Muslim scientist Ali al-Tabari is famous for his work on _______.
Q11. Give scientific reasons for the following:
(a) Rainwater is more fertile than tube well water.
(b) Manhole covers are generally round.
(c) Clothes of a spinning dancer bulge.
(d) People are advised not to stand near a fast-moving train.
(e) The image of a tree appears inverted on the lakebank.
(f) Why are scientists concerned about increasing CO₂ levels in the atmosphere? Can global warming offer any benefit?
Q12. What do the following scientific abbreviations stand for?
(a) STP
(b) ATP
(c) PNP
(d) LAN
(e) KWh
(f) BTU
(g) LDL
(h) ROM
(i) MAF
(j) SONAR
Q13. Match Column A with Column B:
Q14. Choose the best choice in the following statements:
(1) The three elements essential for healthy plant growth are:
(A) N, P, K
(B) N, C, P
(C) N, K, C
(D) N, S, P
(2) The most abundant element in the human body is:
(A) Carbon
(B) Hydrogen
(C) Oxygen
(D) Nitrogen
(3) Ammonium nitrate is not used for:
(A) Rice crop
(B) Wheat crop
(C) Sugarcane crop
(D) Cotton crop
(4) Sea divers use a gas mixture during diving:
(A) 80% He & 20% O₂
(B) 80% N₂ & 20% O₂
(C) 20% O₂, 40% N₂ & 40% CO₂
(D) 50% He & 50% O₂
(5) Water-soluble vitamin:
(A) Niacin
(B) Ascorbic acid
(C) Trypsin
(D) Riboflavin
(6) Enzyme for hydrolysis of fats:
(A) Urease
(B) Zymase
(C) Maltase
(D) Lipase
(7) Acid used for seasoning food:
(A) Formic acid
(B) Acetic acid
(C) Benzoic acid
(D) Botanic acid
(8) Influenza is caused by:
(A) Fungi
(B) Bacteria
(C) Virus
(D) Protozoa
(9) Blood glucose level is raised by the following, except:
(A) Carbohydrates
(B) Cholesterol
(C) Insulin
(D) Epinephrine
(10) The energy possessed by water in a dam is:
(A) Electrical energy
(B) Kinetic energy