- 1(current)
Q. No.The number of correct statements amongst the given statements is:
I. Amino acids are substitute methanes.
II. The R group in serine is hydroxyl-methyl.
III. Arachidonic acid has 20 carbon atoms including the carboxyl carbon.
IV. Glycerol is trihydroxypropane.
V. Lecithin is a phospholipid.
1. 2
2. 3
3. 4
4. 5
Subtopic: Amino Acids | Lipids |
76%
Level 2: 60%+
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 |
80%
Level 1: 80%+
NEET - 2021
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
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A -III , B-II, C-I, D-IV
2. A -III, B-I, C-II, D-IV
3. A -IV, B-III, C-I, D-II
4. A -III , B-IV, C-II , D-I
| List-I | List-II | ||
| A. | Chitin | I. | Polymer of fructose |
| B. | Lecithin | II. | Protein |
| C. | Collagen | III. | Polysaccharide |
| D. | Inulin | IV. | Phospholipid |
Choose the correct answer from the options given below:
1. A -III , B-II, C-I, D-IV
2. A -III, B-I, C-II, D-IV
3. A -IV, B-III, C-I, D-II
4. A -III , B-IV, C-II , D-I
Subtopic: Proteins | Lipids | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
91%
Level 1: 80%+
Hints
Read the statements given below carefully:
How many of the statements given above are correct?
| (a) | Lipids are generally water soluble. |
| (b) | Dietary proteins are the source of essential amino acids. |
| (c) | Paper made from plant pulp and cotton fibre is cellulosic in nature. |
| (d) | In a nucleic acid, the bond between the phosphate and hydroxyl group of sugar is an ester bond. |
| 1. | One | 2. | Two |
| 3. | Three | 4. | Four |
Subtopic: Nucleic Acid | Proteins | Carbohydrates | Lipids | Carbohydrates: Glycosidic Bond & Disaccharide |
76%
Level 2: 60%+
Hints
Following statements are with reference to ‘lipids’.
Choose the option with correct statements only:
1. (a) and (b)
2. (b) and (e)
3. (c) and (d)
4. (b) and (c)
| (a) | Acetic acid is a precursor of a derived lipid called cholesterol. |
| (b) | Lecithin is a phospholipid found in the cell membrane. |
| (c) | Glycerol is trihydroxy propane, considered an alcohol but not a lipid. |
| (d) | Palmitic acid has 16 carbons excluding carboxyl carbon. |
| (e) | Arachidonic acid is a saturated fatty acid which has 19 carbons excluding carboxyl carbon. |
1. (a) and (b)
2. (b) and (e)
3. (c) and (d)
4. (b) and (c)
Subtopic: Lipids |
Level 3: 35%-60%
Hints
How many of the following statements are correct about lipids?
Select the correct option from the following.
1. Four
2. Three
3. Two
4. One
| a. | Trihydroxy propane is an example of a simple lipid. |
| b. | Fatty acids with one or more C = C double bonds are said to be saturated. |
| c. | Palmitic acid has 16 carbons excluding the carboxyl carbon. |
| d. | Lecithin is an example of a phospholipid. |
1. Four
2. Three
3. Two
4. One
Subtopic: Lipids |
71%
Level 2: 60%+
Hints
How many unsaturated fatty acids are mentioned in the box?
1. Five
2. Two
3. One
4. Four
| Arachidonic acid, Palmitic acid, Oleic acid, Stearic acid, Linoleic acid, Linolenic acid |
2. Two
3. One
4. Four
Subtopic: Lipids | Lipids: Fatty Acids |
59%
Level 3: 35%-60%
Hints
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Protein | (I) | C=C double bonds |
| (B) | Unsaturated fatty acid | (II) | Phosphodiester bond |
| (C) | Nucleic acid | (III) | Glycosidic bonds |
| (D) | Polysaccharide | (IV) | Peptide bonds |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | I | IV | III |
| 2. | IV | III | I | II |
| 3. | IV | I | II | III |
| 4. | I | IV | III | II |
Subtopic: Nucleic Acid | Proteins | Lipids | Carbohydrates: Glycosidic Bond & Disaccharide |
88%
Level 1: 80%+
NEET - 2023
Hints
- 1(current)
Q. No.
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