Given below are two statements:
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.)
In the light of the above statements, choose the correct answer from the options given below:
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
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
Subtopic: Carbohydrates: Cellulose, Chitin, Inulin & Agar |
84%
Level 1: 80%+
NEET - 2023
Hints
Which of the following is not a secondary metabolite?
| 1. | Curcumin | 2. | Morphine |
| 3. | Anthocyanin | 4. | Lecithin |
Subtopic: Primary & Secondary Metabolites |
72%
Level 2: 60%+
NEET - 2023
Hints
Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Terpenoids | (I) | Vinblastin |
| (B) | Lectins | (II) | Diterpenes |
| (C) | Drug | (III) | Ricin |
| (D) | Toxin | (IV) | Concanavalin A |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | IV | III | I |
| 2. | II | I | IV | III |
| 3. | II | III | I | IV |
| 4. | II | IV | I | III |
Subtopic: Primary & Secondary Metabolites |
Level 3: 35%-60%
NEET - 2023
Hints
If the % weight of elements in Earth’s crust and human body are compared, all the following will have a higher % composition in human body except:
1. Carbon
2. Oxygen
3. Nitrogen
4. Calcium
1. Carbon
2. Oxygen
3. Nitrogen
4. Calcium
Subtopic: Introduction |
59%
Level 3: 35%-60%
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The nitrogenous base shown in the given figure is:
| 1. | Adenine | 2. | Guanine |
| 3. | Cytosine | 4. | Thymine |
Subtopic: Element Analysis |
87%
Level 1: 80%+
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The use of sulpha drugs used to slow down the growth of bacterial colonies is based on the principle of:
| 1. | antigen-antibody interaction |
| 2. | competitive inhibition |
| 3. | allosteric feedback inhibition |
| 4. | mutagenesis |
Subtopic: Enzyme Inhibition |
84%
Level 1: 80%+
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The number of types of units present in the structure of adult human hemoglobin is/are:
1. 1
2. 2
3. 3
4. 4
1. 1
2. 2
3. 3
4. 4
Subtopic: Introduction to Proteins |
53%
Level 3: 35%-60%
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Secondary metabolites | Class | ||
| A. | Vinblastine | P. | Polymeric substances |
| B. | Concanavalin A | Q. | Drugs |
| C. | Rubber | R. | Toxins |
| D. | Ricin | S. | Lectins |
Codes:
| A | B | C | D | |
| 1. | R | S | P | Q |
| 2. | Q | S | P | R |
| 3. | Q | P | R | S |
| 4. | P | Q | R | S |
Subtopic: Primary & Secondary Metabolites |
89%
Level 1: 80%+
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