Glycogen on hydrolysis yields
1. Glucose and maltose
2. Glucose and fructose
3. Lactose and glucose
4. Only glucose
Subtopic: Â Carbohydrates: Starch & Glycogen |
 66%
From NCERT
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Choose the correct Statements.
i. Starch in plants and glycogen in animals are storage molecules
ii. Starch can hold iodine, molecules in its helical loops but cellulose being non-helical cannot hold iodine.
iii. Chitin, a heteropolysaccharide occurring in the exoskeleton of arthropods, consists of N-acetyl glucosamine.
iv. Right end of polysaccharide is called reducing end while left end is called non-acetyl glucosamine.
1. i and ii only
2. ii and iii
3. i, ii and iv
4. iii only
i. Starch in plants and glycogen in animals are storage molecules
ii. Starch can hold iodine, molecules in its helical loops but cellulose being non-helical cannot hold iodine.
iii. Chitin, a heteropolysaccharide occurring in the exoskeleton of arthropods, consists of N-acetyl glucosamine.
iv. Right end of polysaccharide is called reducing end while left end is called non-acetyl glucosamine.
1. i and ii only
2. ii and iii
3. i, ii and iv
4. iii only
Subtopic: Â Carbohydrates |
 54%
From NCERT
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Which one of the following represents a set of homopolymers?
1. Peptidoglycan, glycogen and starch
2. Cellulose, insulin and polypeptides
3. Insulin, chitin and pectin
4. Starch, cellulose and inulin
1. Peptidoglycan, glycogen and starch
2. Cellulose, insulin and polypeptides
3. Insulin, chitin and pectin
4. Starch, cellulose and inulin
Subtopic: Â Carbohydrates: Cellulose, Chitin, Inulin & Agar |
 69%
From NCERT
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 80%
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Phospholipid lecithin, is made up of
1. Phospholipid acid, three fatty acids and one molecule of glycerol
2. Phospholipid acid with one fatty acid and three molecules of glycerol
3. Phospholipid acid with two fatty acids and one molecule of glycerol
4. One fatty acid and three molecules of glycerols
1. Phospholipid acid, three fatty acids and one molecule of glycerol
2. Phospholipid acid with one fatty acid and three molecules of glycerol
3. Phospholipid acid with two fatty acids and one molecule of glycerol
4. One fatty acid and three molecules of glycerols
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An enzyme isolated from E.coli breaks ester linkage between sugar and phosphate moiety in RNA molecules. This enzyme belongs to class
1. Isomerase
2. Ligase
3. Lyase
4. Hydrolase
1. Isomerase
2. Ligase
3. Lyase
4. Hydrolase
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Given below is a diagrammatic representation of a helical protein where a part of the protein is enlarged.
Identify the amino acids occurring at the N-terminal and C-terminal of the enlarged section of polypeptide respectively.
1. Serine and cysteine
2. Cysteine and tyrosine
3. Tyrosine and Glutamin acid
4. Seine and Glutamic acid
Identify the amino acids occurring at the N-terminal and C-terminal of the enlarged section of polypeptide respectively.
1. Serine and cysteine
2. Cysteine and tyrosine
3. Tyrosine and Glutamin acid
4. Seine and Glutamic acid
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Which of the following is not strictly a biomacromolecule?
1. Proteins
2. Lipids
3. Polysaccharides
4. Nucleic acid
1. Proteins
2. Lipids
3. Polysaccharides
4. Nucleic acid
Subtopic: Â Element Analysis |
 94%
From NCERT
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A secondary metabolite that acts as a toxin is
1. Carotenoids
2. Curcumin
3. Abrin
4. Monoterpenes
1. Carotenoids
2. Curcumin
3. Abrin
4. Monoterpenes
Subtopic: Â Primary & Secondary Metabolites |
 89%
From NCERT
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