Most common element present in human body is:

1. Oxygen 2. Carbon
3. Hydrogen 4. Sulfur
Subtopic:  Element Analysis |
 69%
From NCERT
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When we homogenize any tissues in an acid the acid soluble pool represents

1. Cytoplasm 2. Cell membrane
3. Nucleus 4. Mitochondria
Subtopic:  Introduction |
 81%
From NCERT
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Which of the following is not an aromatic amino acid?

1. Phenylalanine 2. Threonine
3. Tyrosine 4. Tryptophan
Subtopic:  Amino Acids |
 81%
From NCERT
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The simplest α amino acid is:

1. Glycine 2. Alanine
3. Serine 4. Lysine
Subtopic:  Amino Acids |
 91%
From NCERT
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All the following are examples of basic amino acids except:
1. Lysine 2. Histidine
3. Arginine 4. Valine
Subtopic:  Amino Acids |
 77%
From NCERT
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The given compound:

1. is a storage product in archaea
2. is the source of energy in fungi
3. is present in the cell walls of gram negative bacteria
4. is a structural component of plasma membrane
Subtopic:  Lipids |
 86%
From NCERT
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Consider the given two statements:

I: Palmitic acid has 16 carbons including the carboxyl carbon.
II: Arachidonic acid has 20 carbons including the carboxyl carbon.
 
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic:  Lipids |
 91%
From NCERT
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Match each item in Column I with one item in Column II and chose your answer from the codes given below:

Column I Column II
(a) Alkaloid (i) Abrin
(b) Toxin (ii) Morphine
(c) Lectin (iii) Vinblastin
(d) Drug (iv) Concanavalin A
 
(a) (b) (c) (d)
1. (i) (ii) (iii) (iv)
2. (ii) (i) (iv) (iii)
3. (ii) (i) (iii) (iv)
4. (i) (ii) (iv) (iii)
Subtopic:  Primary & Secondary Metabolites |
 87%
From NCERT
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Which of the following is not an example of a secondary metabolite produced in living organisms?
1. Lecithin
2. Alkaloids
3. Flavonoids
4. Antibiotics

Subtopic:  Lipids: Fatty Acids | Primary & Secondary Metabolites |
From NCERT
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Consider the given two statements:
Statement I: Lipids are a part of acid insoluble fraction or the macromolecular fraction during chemical analysis of a cell.
Statement II: Lipids have a molecular weight running in thousands of Dalton.
 
1. Both Statement I and Statement II are correct and Statement II correctly explains Statement I
2. Both Statement I and Statement II are correct but Statement II does not correctly explain Statement I
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic:  Introduction |
 79%
From NCERT
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