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Q. No.Subtopic: Element Analysis | Introduction |
81%
Level 1: 80%+
NEET - 2024
Hints
Which of the following are not fatty acids?
Choose the correct answer from the options given below:
| A. | Glutamic acid | B. | Arachidonic acid |
| C. | Palmitic acid | D. | Lecithin |
| E. | Aspartic acid | ||
| 1. | C, D and E only | 2. | A and B only |
| 3. | A, D and E only | 4. | B and C only |
Subtopic: Element Analysis |
76%
Level 2: 60%+
NEET - 2024
Hints
The following can be found as a zwitter ion:
| 1. | Fatty acid | 2. | Monosaccharide |
| 3. | Amino acid | 4. | Nucleic acid |
Subtopic: Element Analysis | Amino Acids |
87%
Level 1: 80%+
NEET - 2024
Hints
Lecithin, a small molecular weight organic compound found in living tissues, is an example of:
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
1. Phospholipids
2. Glycerides
3. Carbohydrates
4. Amino acids
Subtopic: Lipids |
81%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
| Statement I: | A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal). |
| Statement II: | Adult human haemoglobin, consists of 4 subunits (two subunits of \(\alpha\) type and two subunits of ẞ type.) |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: Amino Acids | Proteins |
72%
Level 2: 60%+
NEET - 2023
Hints
Given below are two statements:
In the light of the above statements, choose the most appropriate answer from the options given below:
| Statement I: | Amino acids have a property of ionizable nature of –NH2 and –COOH groups, hence have different structures at different pH. |
| Statement II: | Amino acids can exist as Zwitterionic form at acidic and basic pH. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct but Statement II is incorrect. |
| 4. | Statement I is incorrect but Statement II is correct. |
Subtopic: Amino Acids |
74%
Level 2: 60%+
NEET - 2022
Hints
Which of the following bond is formed as a result of reaction of carboxyl group of one amino acid with amino group of other amino acids with elimination of water?
1. Phosphodiester Bond
2. Hydrogen Bond
3. Glycosidic Bond
4. Peptide Bond
Subtopic: Zwitter ion & Peptide Bond |
71%
Level 2: 60%+
NEET - 2022
Hints
Read the following statements on lipids and find out correct set of statements:
| a: | Lecithin found in the plasma membrane is a glycolipid. |
| b: | Saturated fatty acids possess one or more c=c bonds. |
| c: | Gingely oil has lower melting point, hence remains as oil in winter. |
| d: | Lipids are generally insoluble in water but soluble in some organic solvents. |
| e: | When fatty acid is esterified with glycerol, monoglycerides are formed. |
Choose the correct answer from the options given below:
1. (a), (b) and (d) only
2. (a), (b) and (c) only
3. (a), (d) and (e) only
4. (c), (d) and (e) only
Subtopic: Lipids |
72%
Level 2: 60%+
NEET - 2022
Hints
Following are the statements with reference to 'lipids'.
| (a) | Lipids having only single bonds are called unsaturated fatty acids. |
| (b) | Lecithin is a phospholipid. |
| (c) | Trihydroxy propane is glycerol. |
| (d) | Palmitic acid has 20 carbon atoms including carboxyl carbon. |
| (e) | Arachidonic acid has 16 carbon atoms. |
You have to choose the correct statements out of the five given above. Choose the correct answer from the options given below:
| 1. | (b) and (c) only | 2. | (b) and (e) only |
| 3. | (a) and (b) only | 4. | (c) and (d) only |
Subtopic: Lipids |
81%
Level 1: 80%+
NEET - 2021
Hints
Identify the statement which is incorrect.
| 1. | Sulphur is an integral part of cysteine. |
| 2. | Glycine is an example of lipids. |
| 3. | Lecithin contains a phosphorus atom in its structure. |
| 4. | Tyrosine possesses an aromatic ring in its structure. |
Subtopic: Amino Acids | Lipids |
77%
Level 2: 60%+
NEET - 2020
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