Carbohydrates & Lipids Practice Questions (Q1-5) - Biochemistry

ICAR JRF Biochemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Sialic acid is also called as

N-Acetylgalactosamine N-Acetylglucosamine N-Acetyineuraminic acid N-Acetyimuramic acid

ICAR JRF Biochemistry 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : Prostaglandins are known as eicosaniods and contain 15 carbons.

Statement (II) : Prostaglandins E and F were first isolated from the biological fluids.

In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.

ICAR JRF Biochemistry 29 Jun 2024Shift 1

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Lipid-rich foods, exposed too long to the air become rancid

Reason (R) : The double bonds in the unsaturated fatty acid in lipids undergo oxidative cleavage to produce compounds of higher volatility.

In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true and (R) is the correct explanation of (A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A). (A) is true but (R) is false. (A) is false but (R) is true.

ICAR JRF Biochemistry 29 Jun 2024Shift 1

Match the Following +4 −1

Match List-I with List-II:

Choose the correct answer from the options given below:

List - I सूची - I Fatty Acid List-I (Fatty Acid		List - II सूची - II Melting point List-II (Melting point
A	Lauric acid Lauric acid	I	$69.6^\circ\text{C}$ $69.6^\circ\text{C}$
B	Palmitic acid Palmitic acid	II	$53.9^\circ\text{C}$ $53.9^\circ\text{C}$
C	Myristic acid Myristic acid	III	$44.2^\circ\text{C}$ $44.2^\circ\text{C}$
D	Stearic acid Stearic acid	IV	$63.1^\circ\text{C}$ $63.1^\circ\text{C}$

(A) - (I), (B) - (IV), (C)- (), (D) - (A) - (IV), (B) - (Ill), (C)- (I), (B)- (1) (A) - (IV), (B) - (II), (C) - (IN), (B)- (1) (A) - (Ill), (B) - (VY), (C)- (I), (2) - (1)

ICAR JRF Biochemistry 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : The non-polar hydrocarbon chain of fatty acids accounts for their poor solubility in organic solvents

Statement (II) : The longer the fatty acyl chain and fewer the double bonds; the lower the solubility in water.

In light of the above statements, choose the most appropriate answer from the options given below.

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.