1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Alpha-helix is found in which level of protein structure?
2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Identify the correct statements about biomolecules.
A. Lipids are generally water soluble.
B. Proteins are polypeptides.
C. Polysaccharides are long chains of sugars.
D. Adenine and guanine are substituted pyrimidines.
E. Almost all enzymes are proteins.
Choose the correct answer from the options given below :
3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Which of the following statements are correct regarding amino acids?
A. They are substituted methanes.
B. Serine is an aromatic amino acid.
C. Valine is a neutral amino acid.
D. Lysine is an acidic amino acid.
Choose the correct answer from the options given below:
4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
$$ \text { Match List I with List II : } $$
| $$ \text { List I } $$ |
$$ \text { List II } $$ |
||
|---|---|---|---|
| A. | Trypsin | I. | Intercellular ground substance |
| B. | Morphine | II. | Lectin |
| C. | Concanavalin A | III. | Enzyme |
| D. | Collagen | IV. | Alkaloid |
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