PART II
Q2: 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
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b) Abu Ali Al Hassan Ibn Al Hassan Al Haytham
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Q3:
a) List four or more physical characteristics of the Earth.
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(b) Briefly explain how seasons and ocean tides are produced on the Earth?
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Q4:
(a) Very briefly explain the difference between Earthquakes, volcanic eruptions, floods and tsunamis.
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(b) Briefly explain the difference between Sedimentary and Metamorphic rocks.
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Q5:
(a) Very briefly explain the difference between an Insulator, a Conductor, a Semiconductor and a Superconductor.
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(b) Briefly explain the difference between a LASER and a Photovoltaic Cell.
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Q6:
(a) Briefly explain the difference between an Antibiotic, an Antiviral Drug, a Pesticide and a Vaccine.
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(b) List any two of the three things that the MMR vaccine protects against. List any two other vaccines given to children.
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Q7:
(a) Briefly explain how Photosynthesis works?
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(b) Briefly explain the Nitrogen Cycle in nature.
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Q8: (a) Differentiate between the following:
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- mRNA (Messenger RNA)
- Proteins
(b) Explain how DNA, m RNA and Proteins are interrelated to each other?
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Q9
a) Explain what is mean by a Balanced Diet?
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b) Give the major function of the following micronutrients:
Vitamin A, Vitamin C, Iron, Calcium and Iodine.
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