Free MCQs & Online Quiz Practice for Exams

Q: Which compound shows the highest boiling point? (ETEA 2019)

A) CH3COOH

B) C2H5OH

C) C2H5OC2H5

D) (CH3-CH2)3N

Q: The main product obtained when acetic acid reacts with PCl5 is: (ETEA 2019)

A) CH3COCl

B) CCl3CHO

C) CH3Cl

D) CH3OH

Q: The exact reactivity order for carboxylic acid derivatives is: (ETEA 2020)

A) Anhydride>Acylchloride>ester

B) ester>Anhydride>Acylchloride

C) Amide>Acylchloride>ester

D) Acylchloride>Anhydride>ester

Q: Hydrolysis of acyl chloride results in the formation of: (ETEA 2020)

A) Acid anhydride

B) Carboxylic acid

C) Amides

D) Esters

Q: Which of the following is the strongest acid? (ETEA 2020)

A) Propanoic acid

B) Fluoroethanoic acid

C) Trichloroethanoic acid

D) Nitroethanoic acid

Q: Hydrolysis of alkyl nitriles in aqueous acid medium gives: (ETEA 2020)

A) Carboxylic acid

B) Alkyl halide

C) Alkane

D) Alcohol

Q: Sucrose is considered: (ETEA 2014)

A) Monosaccharides

B) Disaccharides

C) Polysaccharides

D) None

Q: Polyhydroxy aldehydes or ketones are known as: (ETEA 2014)

A) Protein

B) Carbohydrates

C) Lipids

D) Vitamins

Q: High molecular mass compound hydrolyzed to amino acids is: (ETEA 2014)

A) Protein

B) Carbohydrates

C) Lipids

D) Vitamins

Q: Lipids are chemically: (ETEA 2014)

A) Acids

B) Alcohols

C) Ethers

D) Esters

Q: Saponification of a fat: (ETEA 2014)

A) Always forms soaps

B) Results in esters

C) Results in waxes

D) Forms glycerol and soap

Q: Fatty acids are: (ETEA 2014)

A) Saturated dicarboxylic acid

B) Long chain alkanoic acid

C) Aromatic carboxylic acid

D) Aromatic dicarboxylic acid

Q: All amino acids found in proteins are: (ETEA 2014)

A) α-Amino acids

B) β-Amino acids

C) Both α and β

D) None

Q: Element required for maintaining plasma concentration of vitamin-A: (ETEA 2015)

A) Iron

B) Calcium

C) Zinc

D) Phosphorus

Q: Two glucose units combined by glycoside bond the product formed is known as.....: (ETEA 2015)

A) Sucrose

B) Mallose

C) Lactose

D) Cellulose

Q: Waxes are esters of fatty acids with high molecular weight: (ETEA 2015)

A) Monohydroxy alcohol

B) Dihydroxy alcohol

C) Trihydroxy alcohol

D) All of the above

Q: Deficiency of iron in the body causes disease called: (ETEA 2015)

A) Anemia

B) Hemosiderosis

C) Renal rickets

D) None

Q: Select mineral that is considered a macronutrient: (ETEA 2015)

A) Phosphorus

B) Zinc

C) Iron

D) Iodine

Q: All of the following are micronutrients except: (ETEA 2015)

A) Iron

B) Copper

C) Zinc

D) Magnesium

Q: The optimum pH of enzyme maltase is: (ETEA 2015)

A) 4.5

B) 5.5

C) 6.1-6.8

D) 6.7-7