If we compare percentage weight of elements present in Earth’s crust and the Human body, which of the following would be present in the largest percentage in both?
1. Carbon
2. Oxygen
3. Hydrogen
4. Nitrogen
Subtopic: Element Analysis |
68%
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Identify the incorrectly matched pair:
| 1. | Glycerol | Trihydroxy propane |
| 2. | Lecithin | Phospholipid |
| 3. | Glycine | Beta amino acid |
| 4. | Lysine | Basic amino acid |
Subtopic: Amino Acids |
84%
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Which secondary metabolite is used as a drug in the treatment of certain cancers?
1. Abrin
2. Digoxin
3. Concanavalin A
4. Vinblastin
1. Abrin
2. Digoxin
3. Concanavalin A
4. Vinblastin
Subtopic: Primary & Secondary Metabolites |
78%
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Glucose transporter type 4 [GLUT-4]:
1. is widely distributed in fetal tissues.
2. is expressed at highest levels in erythrocytes
3. is expressed mostly in neurons
4. enables glucose transport into cells
1. is widely distributed in fetal tissues.
2. is expressed at highest levels in erythrocytes
3. is expressed mostly in neurons
4. enables glucose transport into cells
Subtopic: Proteins |
91%
From NCERT
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Regarding polysaccharides:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Cellulose does not contain complex helices. |
| II: | Inulin is a polymer of fructose. |
| III: | Left end of glycogen is the reducing end |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Carbohydrates | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
71%
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An enzyme catalysed reaction is running optimally at 40oC. If the temperature is reduced to 20oC, the rate of reaction is expected to:
| 1. | Double | 2. | Half |
| 3. | Increase four time | 4. | Reduce to a quarter |
Subtopic: Factors Affecting Enzyme Catalysis Reaction |
50%
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Identify the incorrect statement:
| 1. | Zinc is a cofactor for carboxypeptidase |
| 2. | NADP contains the vitamin cyanocobalamin |
| 3. | Malonate is a competitive inhibitor of Succinic dehydrogenase |
| 4. | Haem is the prosthetic group in peroxidise |
Subtopic: Enzyme Cofactors |
82%
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Which biomolecule makes up maximum percent of the total cellular mass in an average cell?
1. Proteins
2. Carbohydrates
3. Lipids
4. Nucleic acids
1. Proteins
2. Carbohydrates
3. Lipids
4. Nucleic acids
Subtopic: Introduction |
78%
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The number of:
| 1. | Aromatic proteinogenic amino acids is 5 |
| 2. | Carbon atoms in arachidonic acid including carboxyl carbon is 20 |
| 3. | Fatty acids in cholesterol is 3 |
| 4. | Polypeptide chains in quaternary structure of haemoglobin is 2 |
Subtopic: Lipids: Glycerolipids, Phospholipids & Glycerol |
86%
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All enzymes are:
1. Proteins
2. Thermostable
3. Capable of speeding up a biochemical reaction
4. Capable of working in alkaline pH
1. Proteins
2. Thermostable
3. Capable of speeding up a biochemical reaction
4. Capable of working in alkaline pH
Subtopic: Enzymes | Factors Affecting Enzyme Catalysis Reaction |
59%
From NCERT
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