Arrange the following elements present in human body in their ascending order of occurrence [begin with the element found in the lowest percentage]:
Hydrogen, Carbon, Oxygen, Nitrogen, Calcium
1. Carbon, Oxygen, Nitrogen, Calcium, Hydrogen
2. Calcium, Hydrogen, Nitrogen, Oxygen, Carbon
3. Hydrogen, Calcium, Nitrogen, Oxygen, Carbon
4. Hydrogen, Calcium, Nitrogen, Carbon, Oxygen
Subtopic: Element Analysis |
68%
From NCERT
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Consider the given two statements :
Assertion: Living process is a constant effort to prevent falling into equilibrium with the environment.
Reason: The living state and metabolism are synonymous.
1. Both Assertion and Reason are true and Reason correctly explains the Assertion.
2. Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
3. Assertion is true but the Reason is false.
4. Both Assertion and Reason are false.
Assertion: Living process is a constant effort to prevent falling into equilibrium with the environment.
Reason: The living state and metabolism are synonymous.
1. Both Assertion and Reason are true and Reason correctly explains the Assertion.
2. Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
3. Assertion is true but the Reason is false.
4. Both Assertion and Reason are false.
Subtopic: THE LIVING STATE (OLD NCERT) |
67%
From NCERT
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Amongst the following, the element constituting the least percent of the weight of human body is:
1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen
1. Oxygen
2. Carbon
3. Hydrogen
4. Nitrogen
Subtopic: Element Analysis |
55%
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The molecule shown in the given figure is:
1. Uridine
2. Thymidine
3. Uridylic acid
4. Thymidylic acid
1. Uridine
2. Thymidine
3. Uridylic acid
4. Thymidylic acid
Subtopic: Nucleic Acid: Nucleotides |
65%
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When a cell is chemically analysed, one feature common to all compounds found in the acid soluble pool is:
1. They are all homopolymers.
2. They are all heteropolymers.
3. They have molecular weight between 18 and 800 daltons.
4. All of them are biomacromolecules.
1. They are all homopolymers.
2. They are all heteropolymers.
3. They have molecular weight between 18 and 800 daltons.
4. All of them are biomacromolecules.
Subtopic: Element Analysis |
76%
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What is the number of correct statements amongst the statements given below?
I. Valine is an acidic amino acid.
II. Gingelly oil remains as oil in winters.
III. Abrin, Morphine and Vinblastin are all primary metabolites.
IV. Insulin is a polymer of fructose.
V. In a polysaccharide chain, the right end is the reducing end.
VI. Collagen is most abundant protein in biosphere.
1. 2
2. 3
3. 4
4. 5
I. Valine is an acidic amino acid.
II. Gingelly oil remains as oil in winters.
III. Abrin, Morphine and Vinblastin are all primary metabolites.
IV. Insulin is a polymer of fructose.
V. In a polysaccharide chain, the right end is the reducing end.
VI. Collagen is most abundant protein in biosphere.
1. 2
2. 3
3. 4
4. 5
Subtopic: Amino Acids | Carbohydrates | Lipids | Lipids: Fatty Acids | Different Amino Acids | Primary & Secondary Metabolites |
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The bonds formed by dehydration include:
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: Zwitter ion & Peptide Bond | Carbohydrates: Glycosidic Bond & Disaccharide |
68%
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Consider the two statements:
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation are not catalysed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation are not catalysed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Subtopic: METABOLIC BASIS FOR LIVING (OLD NCERT) | THE LIVING STATE (OLD NCERT) |
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In peroxidase and catalase, heam is:
1. prosthetic group and is a part of active site
2. prosthetic group and is not a part of active site
3. is a co-enzyme
4. is a co-substrate
1. prosthetic group and is a part of active site
2. prosthetic group and is not a part of active site
3. is a co-enzyme
4. is a co-substrate
Subtopic: Enzymes Classification |
69%
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Choose the mismatch among the following.
1. GLUT-4 – Unable glucose transport into cells
2. Trypsin – Enzyme
3. Essential oil – Lemon grass oil
4. Drug – Vinblastin
1. GLUT-4 – Unable glucose transport into cells
2. Trypsin – Enzyme
3. Essential oil – Lemon grass oil
4. Drug – Vinblastin
Subtopic: Primary & Secondary Metabolites |
73%
From NCERT
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