2013

Q.No.2.(a)The flood disaster in Pakistan is caused by the follies of humans.comment (5)(b)State the message of The Earth Hour Movement. (5)

Q.No.3. (a)Porifera is an ancient group of animals from Cambrian period. What is the cause of their survival/success? (5)(b)How heavy water differs from ordinary water and what is its use in Atomic Reactor? (5)

Q.No.4.What part do antibiodies play in allergic reaction? How vaccination can be helpful in its control/prevention? (10)

Q.No.5. (a)Differentiate between Renewable and Non-renewable sources of energy. Give examples of each one of them. (5)(b)Why Nuclear Energy is being preferred in developed countries and why are we lagging behind in this important source of energy? (5)

Q.No.6. (a)What is Nanotechnology and what are its use? (5)(b)Briefly explain the differences between Chemotherapy and Radiotherapy. (5)

Q.No.7.Write Comprehensive note on:(a)LASER and their use (5)(b)OPTIC FIBRES and their importance in modern telecom system (5)

Q.No.8.Write all that you know about Pesticides. How are they classified by agronomists? (10)

Q.No.9.Write note on:(a)Biotechnology (5)(b)Global Warming (5)

2012Q2:Write briefly about two or more major achievements of each of the following two famous Muslim scientists:-a)Abu Abdullah Mohammad Bin Musa Al Khwarizmi(05)b)Abu Ali Al Hassan Ibn Al Hassan Al Haytham(05)

Q3:a)List four or more physical characteristics of the Earth.(05)(b)Briefly explain how seasons and ocean tides are produced on the Earth?(05)

Q4:(a)Very briefly explain the difference between Earthquakes, volcanic eruptions, floods and tsunamis.(05)(b)Briefly explain the difference between Sedimentary and Metamorphic rocks.(05)

Q5:(a)Very briefly explain the difference between an Insulator, a Conductor, a Semiconductor and a Superconductor.(05)(b)Briefly explain the difference between a LASER and a Photovoltaic Cell.(05)

Q6:(a)Briefly explain the difference between an Antibiotic, an Antiviral Drug, a Pesticide and a Vaccine.(05)(b)List any two of the three things that the MMR vaccine protects against. List any two other vaccines given to children.(05)

Q7:(a)Briefly explain how Photosynthesis works?(05)(b)Briefly explain the Nitrogen Cycle in nature.(05)

Q8: (a)Differentiate between the following:(05) DNA mRNA (Messenger RNA) Proteins(b)Explain how DNA, m RNA and Proteins are interrelated to each other?(05)

Q9a)Explain what is mean by a Balanced Diet?(05)b)Give the major function of the following micronutrients:Vitamin A, Vitamin C, Iron, Calcium and Iodine.(05)

2011Q2: Write a short note on the following Muslim scientists by giving their exact life span and contribution to the field of science:-a) Jabar-bin-Hayan b) Bu Ali Sina

Q3: Differentiate between any Five of the following pairs:-a) Typhoons and Tornadoes (b) Microscope and Telescope (c) Ultrasonics and Infrasonics (d) Hard water and Heavy water (e) Isotopes and Isomers (f) Antibodies and Antibiotic (g) Antigens and Vaccine

Q4: (a) What is galaxy? The Earth belongs to which galaxy?(b) Briefly describe what is big bang theory.(c) Do you think that Pluto is still ninth planet of our solar system? If yes, how and if not why?

Q5: (a) Basically how many forms of energy are there? Also name these.(b) Enlist different types of energy.(c) What is renewable energy source? Quote three examples of renewable energy sources.

Q6: Is plastic a natural or an artificial polymer? Describe various types of plastics and their uses.

Q7: (a) What do the following abbreviations stand for?i) LAN ii) HTTP iii) HTML iv) PDF v) URL(b) Differentiate between natural and artificial Satellite. For what purpose artificial satellites are used?

Q8: (a) What is the main function of:i) Ribosome ii) Mitochondria iii) Lysosomes iv) Chloroplastsv) Golgiapparatus .(b) Give habitats of following animals:i) Rattle Snake ii) Ostrich iii) Platypus iv) Rhinoceros v) Chimpanzee.

Q9 Write note on the following:-a) Nucleic acids b) Fertilizers c) Semiconductors d) Microwave oven e)Internet

2010Question # 02 :Write shot note on the following by giving their exact life span and contributions to the field of science. ( Accurate fact will be appreciated) (10)

a) Al- Berunib) Ibn- al - Haitham

Question # 03:What do you know about hereditary disease ? Comment how they are transferred from parents to offsprings ? (10)

Question # 04:Write briefly any five of the following: (Answer in three or four sentences) (10)

a) Plaster of Parisb) Reflex Actionc) Pace Makerd) Swine fluee) Microwave ovenf) Internetg) Voltage Stabilizer

Question # 05:A) What is global warming ? Is there any a sunny side to global warming ? If yes , explain. (5)B) What makes the seasons happen ? (5)

Question # 06:In which region of the world , the following animals are found? Give two main characteristics of each. (10)

a) Blind dolphinb) Kangarooc) pandad) Kiwie) Penguin

Question # 07:A) In which organ these parts are present in animals or human body ? (5)B) Describe the function of each briefly : (5)

1. Coronary artery2. Sino- Auricular Node3. Aortic valve4. AuricleQuestion # 08: Differentiate between the following pairs:

a) Hydrometer and Hygrometerb) Perimeter and Telemeterc) Isotopes and Isomersd) Flying mammal and Birde) Vertebrates and Invertebrates

Question # 09:A) What are pesticides? Explain how these are dangerous to human beings?B) What do the following scientific abbreviations stand for?

1) STP2) LORAN3) SONAR4) MAF5) MeV6) MASER7) AWACS8) CCTV2009Q.2.Write short note on the following by giving their exact life span and contribution to the field of science (Accurate facts will be appreciated) (5x2)

(a) Umer Al Khayam(b) Zakariya Al Razi

Q.3.Differentiate betweenANY FIVEof the following pairs.(2x5)

(a) Umbra and Penumbra(b) Heavy water and hard water(c) Smog and Smoke(d) Myopia and Hypropia(e) Lava and Magma(f) Periscope and perimeter(g) X-rays and Gamma rays

Q.4.Sun is glorious star in our sky. Write down its characteristics with reference to the following date:

(a) Distance from earth(b) Mean distance from center of galaxy(c) Velocity around centre of galaxy(d) Revolution period around centre of galaxy(e) Equatorial diameter(f) Rotation period at the equator(g) Core temperature(h) Solar wind(i) The lovely Diamond Ring effect(j) Future of sun

Q.5.Write briefly (not more than three to four senetences) about ANY FIVE of the following:(2x5)

(a)Allotropy(b) Nebula(c) Enrichment of Uranium(d) Aqua Regia(e) Greenhouse effect(f) Igneous rocks

Q.6.(a) DefineGENETIC ENGINEERING. In how many ways Genetic Engineering can be applied in different fields of life? Does it benefit society ? Discuss.(1+3+2)

b. What do the following abbreviations stand for? (1/2 each)

i. SONAR ii. CNS iii. PTFE iv. LDL v. SARS vi. GUT vii. BASIC viii. BTU

Q.7.(a) What areMINERALS? DiscussANY TWOphysical properties thereof. Also mention the names of four precious minerals of high commercial value.

(b) Define the following:(1 each)

(a) Amphibion (b) Synchronous satellite (c) Big Dipper (d) Fermentation (e) Millennium Bug

Q.8.(a) DefineRECEPTORSin man. Name different receptor organs in human body. Also discussANY TWOof them briefly.

(b). Give Scientific reasons of the following:(1 each)

i. The dogs pant, the birds open their mouth and the elephants move rapidly their ears.ii. The manholes covers are generally round.iii. A geostationary satellite appears standstill to a viewer on the equator of earth.iv. We never see birds urinating.v. Pasteurized milk has more nourishment than the ordinary boiled milk.

Q.9.(a) Highlight the similarities and differences between animals and plants.(3+3)

(b) Write short note on ANY TWO of the following. (2 each)

(i) Teleprinter (ii) Dengue Virus (iii) Vacuum Cleaner

2008Write briefly about the life and scientific contributions of the following Muslim Scientists: (5+5)

a. Muhammad bin Musa Al-Khawarizmib. Abu Ali Sina

Q.2.Differentiate clearly between the following pairs: (2 each)

a. Fission and fusionb. Star and Planetc. Pollination and Fertilizationd. Telescope and Microscopee. Antibiotics and Vaccines

Q.3.a. Discuss briefly the SOLAR SYSTEM. (6)b. How are EARTHQUAKES caused? (4)

Q.4.Write briefly (not more than four to five sentences) about any FIVE of the following: (2 each)

a. Supernovab. Radioactivityc. Laserd. Semiconductorse. Geothermal Energyf. Computer Virusg. Pasteurization

Q.5.a. What are HORMONES? Name four important hormones and describe their functions in the human body. (2+4)

b. Explain the structure and function of an ANIMAL CELL with a labeled diagram. (2+2)

Q.6.a. What are the essential nutrients of BALANCED DIET? Describe one such nutrient in detail explaining its role in the metabolism. (2+4)

b. What do the following scientific abbreviations stand for? (1/2 each)

i. PVC ii. BCG iii. ECG iv. CFC v. LPG vi. DNA vii. AIDS viii. TNT

Q.7.a. Define ENERGY. Name four renewable sources of energy. How can our country come out of Energy Crisis? (1+2+3)

b. Write a brief note on CERAMICS. (4)

Q.8.a. Describe very briefly the working of a CAMERA. How does it resemble in its function with that of the HUMAN EYE? (3+3)

b. What are PLASTCS? Describe briefly their characteristics and Limitations. (1+3)