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 Multiple Choice QuestionsMultiple Choice Questions

11.

Solarisation is 

  • formation of chlorophyll

  • destruction of chlorophyll

  • utilisation of sunlight

  • effects of solar light


12.

Decarboxylation is involved in

  • electron transport system

  • glycolysis

  • Kreb's cycle

  • lactic acid fermentation


13.

Osmotic pressure of a solution is

  • greater than pure solvent

  • less than pure solvent

  • equal to pure solvent

  • less than or greater than pure solvent


14.

How many ATP are formed by oxidation of one glucose molecule in liver cells?

  • 36

  • 38

  • 2

  • 8


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15.

The incomplete breakdown of sugars in anaerobic respiration results in the formation of

  • fructose and water

  • glucose and CO2

  • alcohol and CO2

  • water and CO2


16.

During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP?

  • Conversion of pyruvic acid to acetyl Co-A

  • Electron transport chain

  • Glycolysis

  • Krebs cycle


17.

Chemiosmotic theory of ATP synthesis in the chloroplasts and mitochondria is based on 

  • proton gradient

  • accumulation of K ions

  • accumulation of Na ions

  • membrane potential


18.

Fat, prior to its oxidation associate with

  • cyclic AMP

  • Co- A

  • GMP

  • ATP


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19.

The net gain ATP from complete oxidation of 1 molecule of glucose in eukaryote is

  • 2

  • 4

  • 24

  • 36


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20.

R.Q. is always less than one in

  • wheat

  • millets

  • bean

  • castor


D.

castor

Respiratory Quotient is the ratio of the volume of carbon- dioxide evolved to that of oxygen consumed by an organism tissue, or cell in a given time. 

In fats, the value of R.Q. is less than one.


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