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It’s the most abundant biological molecule found in cell?
- Lipids
- Proteins
- Carbohydrates
- Water
- N/A
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Answer: D Explanation: -
What are the roles played by water in living organisms?
- Provides medium for reactions
- Act as raw material
- Takes part in reactions directly
- All of these
- As water is universal solvent
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Answer: D Explanation: -
Water facilitates biochemical reactions due to all of the following except:
- Ionic substances are dissociated in water
- Particles of non-polar substances having charged groups are dispersed
- Substances are in more favourable state of random motions
- Activation energy is lowered
- Activation energy is related to enzymes
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Answer: D Explanation: -
Water content released on hydrolysis is highest in which of the following molecules?
- Polysaccharides
- Lipids
- Oligosaccharides
- Monosaccharides
- Due to large number of glycosidic linkage
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Answer: A Explanation: -
The simplest aldo-sugar is:
- Glyceraldehyde
- Glucoheptose
- Dihydroxyacetone
- Sedoheptulose
- N/A
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Answer: A Explanation: -
When in solution the ring structure formed by fructose is?
- Ribofuranose
- Glucopyranose
- Fructofuranose
- Erythrofuranose
- N/A
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Answer: A Explanation: -
Energy required for the synthesis of 10g of glucose is:
- 717.6 KCal
- 71.76 KCal
- 7176 KCal
- 12,916.8 KCal
- N/A
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Answer: A Explanation: -
Which of the following shows a peptide bond?
- C--O Linkage
- N--C linkage
- C--N linkage
- C--H linkage
- N/A
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Answer: C Explanation: -
Most abundant carbohydrate in nature is:
- Glucose
- Phospholipids
- Cellulose
- Rubisco
- N/A
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Answer: C Explanation: -
Bond stabilizing the structure of complex carbohydrates is:
- Glycosidic bond
- Peptide bond
- Ester bond
- Phosphodiester bond
- N/A
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Answer: A Explanation: