IMPORTANT QUESTIONS

1. Q271 Glycolysis takes place in

   • (a)mitochondria
   • (b)cytoplasm
   • (c)nucleus
   • (d)chloroplast

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2. Q272 The change in focal length of an eye lens is caused by the action of the

   • (a) pupil
   • (b)retina
   • (c)ciliary muscles
   • (d)iris

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3. Q273 Give the names of the following: (i) Tissue concerned with the conduction of food materials. (ii) Tissue capable of cell division.

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4. Q274 Define variation

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5. Q275 Define the term resource. Do you think resources are free gifts of nature?

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6. Q276 It is established that an electric current through a conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving neutrons? Justify your answer in each case.

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7. Q277 Indicate the oxidising and reducing agent in the reaction. H₂S+ Cl₂ → 2HCl + S

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8. Q278 Define digestion. Why is digestion necessary?

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9. Q279 A wire of resistance 22 has been connected to a source of 50 V as its two ends. What is the current flowing through the wire?

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10. Q280 Why does the seed need a seed coat?

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