Time allowed: 3 hours
Max marks:100

Note : Attempt any ten questions.

Question1. Write short notes on any two of the following: (05 marks each)
a). Solar system
b). Atomic Structure
c). Stars and Planets


Question2. Write briefly about any five of the following: (02 marks each)
a). ionosphere
b). stratosphere
c). cell
d). vaccine
e). Chromosome
f). FORTRAN

Question3. Describe (05 marks each)
a). Classification of Plants
b). Green House effect

Question4. Differentiate between (02 marks each)
a). Fission and fusion
b). Organic and Inorganic compounds
c). BIT and BYTE
d). Exothermic and endothermic reactions
e). RAM and ROM

Question5. Briefly account for (02 marks each)
a). The weight of a body is less at equator than at the poles.
b). Water is a good solvent.
c). Green color in most of the plant
d). We always see only one side of the moon
e). We never see birds urinating.

Question6. Give a brief account of following: (05 marks each)
a). Human physiology
b). Renewable energy resources.
c). Stars and Planets

Question7. A). What are similarities and differences between animals and plants? (05 marks)
B). Discuss in detail diversity in digestive structure in invertebrates. (05 marks)

Question8. A) How computers has affected our daily lives ? Discuss positive and negative aspects separately.(05 marks)
B). what characteristics affects overall performance of a computer. Clearly mention the role of each (05 marks)

Question9. Elaborate the achievements of any two of the following scientist . (02 marks each)
a). Al-Beruni
b). Mendal
c). Zakariya Al Razi

Question10. A). Briefly describe the renewable resources of energy. (05 marks)
B). Discuss various types of satellites. (05 marks)

Question11. Encircle the correct choices.(02 marks each )
i. The clock speed of a microcomputer is measured in:
A). Hertz
B). Bytes
C).DPI
D).None of these

ii. Which of the following is a non impact printer:
A). Daisy Wheel
B). Dot Matrix
C).Ink Jet
D). None of these

iii. Which is (are)true about Super Drive
A). It is an open device
B). It can write DVD’s
C). Both of these
D). None of these
E). Japan

iv. Aspect ration of WIDE Screen monitor is:
A). 4:3
B). 16:9
C).Either (a) or (b)
D). Neither (a) nor (b)

v. The capacity of the hard disc is measured in:
A). Bytes
B). Grams
C).Hertz
D). None of these

Question12. Discuss Einstein’s two major contributions to the knowledge of Science. (10 marks)

Question13. Write briefly on any Five of the following s (02 marks each)
a). Dengue Virus
b). Optical Fiber
c). Ozone Layer
d). Fermentation
e). Centrifuge
f) Black Hole

Question14 .A) Describe angiosperm and gymnosperm plants .(05 marks)
B) What do you know about genetics (05 marks)

Question15. Write short notes on any two of the following (05 marks each )
a). Plasma
b). Laser
c). Antibiotics