1
JEE Main 2025 (Online) 29th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the essential amino acids from below:

(A) Valine

(B) Proline

(C) Lysine

(D) Threonine

(E) Tyrosine

Choose the correct answer from the options given below:

A

(A), (C) and (D) only

B

(C), (D) and (E) only

C

(A), (C) and (E) only

D

(B), (C) and (E) only

2
JEE Main 2025 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List - I with List - II.

List - I (Carbohydrate) List - II (Linkage Source)
(A) Amylose (I) $\beta$ - $C_1 - C_4$, plant
(B) Cellulose (II) $\alpha$ - $C_1 - C_4$, animal
(C) Glycogen (III) $\alpha$ - $C_1 - C_4$, $\alpha$ - $C_1 - C_6$, plant
(D) Amylopectin (IV) $\alpha$ - $C_1 - C_4$, plant

Choose the correct answer from the options given below :

A

(A)-(II), (B)-(III), (C)-(I), (D)-(IV)

B

(A)-(III), (B)-(III), (C)-(I), (D)-(IV)

C

(A)-(IV), (B)-(I), (C)-(III), (D)-(II)

D

(A)-(IV), (B)-(I), (C)-(II), (D)-(III)

3
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List-I with List-II.

List - I (Saccharides) List - II (Glycosidic-linkages found)
(A) Sucrose (I) α 1 $-$ 4
(B) Maltose (II) α 1 $-$ 4 and α 1 $-$ 6
(C) Lactose (III) α 1 $-$ β 2
(D) Amylopectin (IV) β 1 $-$ 4

Choose the correct answer from the options given below :

A

(A)-(III), (B)-(I), (C)-(IV), (D)-(II)

B

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

C

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)

D

(A)-(IV), (B)-(II), (C)-(I), (D)-(III)

4
JEE Main 2025 (Online) 28th January Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify correct conversion during acidic hydrolysis from the following :

(A) starch gives galactose.

(B) cane sugar gives equal amount of glucose and fructose.

(C) milk sugar gives glucose and galactose.

(D) amylopectin gives glucose and fructose.

(E) amylose gives only glucose.

Choose the correct answer from the options given below :

A

(A), (B) and (C) only

B

(B), (C) and (D) only

C

(B), (C) and (E) only

D

(C), (D) and (E) only

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