Wednesday, 3 December 2014

PAST PAPER 2013

YEAR 2013

PART ONE - MCQ's
Q.1. Select the best option and fill in the appropriate circle. (50) 
1. Who proposed the concept of "All motion is relative"? (Albert Einstein, John Kepler, Galileo Galilie, none)
2. The field of specialization of famous Muslim scientist Abu Usman Aljahiz was: (Botany, Zoology, Astronomy, none) 
3. Albatross is (a sea bird, a beetle, a fruit, none) 
4. The sunlight can reach a depth of ----- meters in the ocean: (100, 80, 120, none)
5. The biggest planet in our solar system is: (Venus, Pluto, Jupiter, none)
6. The biggest species of the cat family is: (tiger, lion, leopard, none)
7. Which group of animals has heterogametic females? (domestic fowl, earthworm, rabbit, none)
8. The dominant phase of life cycle in these organisms is haploid: (mosses, bacteria, protozoa, none) 
9. The atmosphere of moon consists of: (90% hydrogen and 10% nitrogen, 80% nitrogen and 20% hydrogen, 60% nitrogen and 40% inert gases, none) 
10. The chemical name of quartz is: (silicon dioxide, stannous oxide, aluminium oxide, none) 
11. Which month of calendar year can lack a new moon? (December, February, May, none)
12. Deuterium differs from Hydrogen in having: (different atomic number but same atomic weight, different atomic number and different atomic weight, same atomic number and different atomic weight, none) 
13. One of the following is a water soluble vitamin: (vitamin A, vitamin D, vitamin K, none) 
14. Coulomb is the scientific unit to measure: (velocity, temperature, mass, none) 
15. Equator passes through one of these countries: (Saudia Arabia, Italy, Japan, none) 
16. Anti Diuretic hormone is secreted by one of the following glands: (pituitary, pancreas, thyroid, none)
17. Basha Dam is to be constructed on: (River Sutlaj, River Jhelum, River Chenab, none) 
18. UV light falls in the category of: (ionizing radiations, non-ionizing radiation, visible light, none)
19. The earth's ----- is divided into 15 major plates of various sizes: (mesosphere, stratosphere, lithosphere, none)
20.  One of these scientists formulated basic laws of Geometry: (Pythagoras, Archimedes, Aristotle, none)
21. Phosphorus is an essential component of one of the following biological molecules: (amino acids, nucleic acids, carbohydrates, none)
22. He was the first scientist to prove that plants move around the sun: (Archimedes, Galileo Galilei, John Kepler, none)
23. Atom is made up of ----- different kinds of subatomic particles: (three, two, four, none)
24. Uranium is best used as nuclear fuel in one of the following forms: (U 235, U 237, U 238, none)
25. The alpha particles are compact clusters of: (electron and proton, two protons and two neutrons, three protons and three neutrons, none)
26. The beta particles are fast moving: (protons, electrons, neutrons, none)
27. One of the following countries produces maximum energy from atomic reactors: (France, USA, UK, none)
28. The unit to measure the quantity of Ozone in atmosphere is: (Dobson, Dalton, Coulomb, none)
29. The severity of 2005 earthquake in Pakistan on Richter scale was: (6.9, 7.6, 7.1, none)
30. Geiger-Muller counter is used to detect: (protons, neutrons, photons, none)
31. Vacuum tubes have been replaced by: (conductors, diodes, transistors, none)
32. Dacron is a: (polyethylene, epoxy, poly-amide, none)
33. It is a secondary plant nutrient: (nitrogen, phosphorus, sulphur, none)
34. An area of microbiology that is concerned with the occurrence of disease in human population is: (Immunology, Paracitology,  Epidemiology, none)
35. The number of electron of a neutral atom is automatically known if one knows the: (atomic number, atomic weight, number of orbitals, none)
36. Which of the following in not an enzyme? (chemotrypsin, secretin, pepsin, none)
37. It is impossible for a type of O + baby to have a type of ........... mother: (AB -, O - , O +, none)
38. Serum is blood plasma minus its: (calcium ions, clotting proteins, globulins, none)
39. The autonomic nervous system innervates all these except: (cardiac muscles, skeletal muscles, smooth muscles, none)
40. The damage to the ---------- nerve could result in the defect of the eye movement. (optic, trigeminal, abducens, none)
41. Which of these is not a region of the spinal cord? (thoracic, pelvic, lumber, none)
42. The shape of the external ear is due to: (elastic cartilage, fibrocartilage, articular cartilage, none)
43. The external surface of the stomach is covered by: (mucosa, serosa, parietal peritoneum, none)
44. Which of the following is not a human organ system? (integumentary, muscular, epithelical, none)
45. Which of the following does not vary predictably with the depth of the aquatic environment? (salinity, temperature, penetration by sunlight, none)
46. The quantity of available nutrients .......... from the lower levels of the energy pyramids to the higher ones. (increases, decreases, remains stable, none)
47. Which of the following is not a major sub-division of the biosphere? (hydrosphere, stratosphere, lithosphere, none)
48. Vaccination is synonymous with ........... immunity. (natural active, artificial passive, artificial active, none)
49. When a patient's immune system becomes reactive to a drug, this is an example of: (super infection, drug resistance, allergy, none)
50. What is the smallest unit of heredity? (chromosomes, gene, nucleotides, none)

PART II - SUBJECTIVE
Attempt only FIVE questions.
Q.2. (a) "The flood disaster in Pakistan is caused by the follies of humans". Comment. (05)
(b) State the message of "The Earth Hour Movement". (05)
Q.3. (a) Porifera is an ancient group of animals from Cambrian period. What is the cause of their survival/success? (05)
(b) How heavy water differs from ordinary water and what is its use in Atomic Reactor? (05)
Q.4. What part do antibodies play in allergic reactions? How vaccination can be helpful in its control/prevention? (10)
Q.5.  (a) Differentiate between Renewable and Non-renewable sources of energy. Give examples of each of of them. (05)
(b) Why Nuclear Energy is being preferred in developed countries and why are we lagging behind in this important source of energy? (05)
Q.6. (a) What is Nanotechnology and what are its use? (05)
(b) Briefly explain the difference between Chemotherapy and Radiotherapy. (05)
Q.7. Write comprehensive note on:
(a) LASER and their use (05)
(b) OPTIC FIBERS and their importance in modern telecom system (05)
Q.8.  Write all that you know about Pesticides. How are they classified by agronomists? (10)
Q.9. Write note on:
(a) Biotechnology (05)
(b) Global Warming (05)