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Respiration

7. 

It is believed that life evolved in its early stage under oxygen - free condition. Which of the following organisms might have been able to survive in that environment?

A. Obligate anaerobic bacteria B. Obligate halophytes C. Lichens D. Thermophilic algae

Answer : A. Obligate anaerobic bacteria

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8. 

Match the following using the codes given below List I List II

List I List II
a) Turgor pressure 1) Osmosis
b) Photosynthesis 2) Stomata
c) Transpiration 3) Yeast
d) Fermentation 4) O2 evolution

A. a-2 ,b-3,c-4 ,d-1 B. a-3 ,b-2 ,c-4 ,d-1 C. a-1 ,b-2 ,c-3 ,d-4 D. a-1 ,b-4 ,c-2 ,d-3

Answer : D. a-1 ,b-4 ,c-2 ,d-3

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9. 

Identify the correct sequence of the following

A. Electron transport, ATP Synthesis,Glycolysis,Krebs cycle B. Krebs cycle,Electron Transport,Glycolysis C. Glycolysis,Krebs cycle,Electron Transport,ATP synthesis D. ATP Synthesis,Glycolysis,Krebs Cycle,Electron Transport

Answer : C. Glycolysis,Krebs cycle,Electron Transport,ATP synthesis

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10. 

The energy needed by the living organism is ultimately obtained from

A. Sun B. Air C. Water D. Petrol

Answer : A. Sun

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11. 

In plants, energy is produced during

A. Transpiration B. Photosynthesis C. Respiration D. Absorption

Answer : C. Respiration

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12. 

Which one of the following is concerned with the production af ATP molecules?

A. Cristae B. Cisternae C. Vesicles D. Lamellae

Answer : A. Cristae

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