Q. No.The property of the water molecule that is most important for the maintenance of homeostasis in living organisms is:
1. High latent heat of vaporization
2. High latent heat of fusion
3. High specific heat
4. Liquid form more dense than solid form
1. High latent heat of vaporization
2. High latent heat of fusion
3. High specific heat
4. Liquid form more dense than solid form
Chitin, a complex polysachharide is found in:
1. Plant cell wall
2. The exoskeleton of arthropods and cell walls of most fungi
3. Bacterial cell wall
4. Cartilage and other connective tisuue
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Given below is the structure of a monosaccharide. The homopolymer of this monosaccharide is used in:
1. Storage of carbohydrates in plants
2. Storage of carbohydrates in animals
3. Making the medium for microbial culture
4. Formation of the structure of the plant cell wall
Given below is the structure of a lipid. The excess of this compound in human blood can lead to:
1. Alzheimer’s disease
2. Phenylketonuria
3. Atherosclerosis
4. Rheumatoid arthritis
Shown below is a level of structural organization of a protein. Which of the following proteins attains its final form as this structure
1. Keratin
2. Fibroin
3. Tropo-collagen
4. Myoglobin
The following diagram depicts the structure of a:
1. Nucleoside
2. Nucleotide
3. Nitrogen containing Monosaccharide
4. Glycoprotein
The chitinous exoskeleton of arthropods is formed by the polymerisation of–
1. D- glucosamine
2. N- acetyl glucosamine
3. Lipoglycans
4. Keratin sulphate and chondroitin sulphate
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Look at the graph given below. The reaction rate, of the reaction, can be increased beyond point C by:
1. increasing the amount of substrate
2. adding more water
3. increasing the temperature
4. decreasing enzyme concentration
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What level of protein organization structure explains the 3-D shape of an enzyme?
| 1. primary structure | 2. tertiary structure |
| 3. secondary structure | 4. quaternary structure |
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Given below is a schematic metabolic pathway. In an experiment, the concentration of enzyme 1 was increased but the concentration of enzymes 2 and 3 were kept constant. What would happen to the rate of production of D?
1. it would go down
2. it would go up
3. it would stay the same
4. it would stop
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