Free MCQs & Online Quiz Practice for Exams

Q: Delayed wound healing is caused by deficiency of: (ETEA 2016)

A) Zn

B) Fe

C) Co

D) Mn

Q: Most enzymes start showing activity in pH range: (ETEA 2016)

A) 2 to 4

B) 5 to 9

C) 3 to 5

D) 10 to 12

Q: Hydrolysis of fats occurs in mouth and stomach slightly because: (ETEA 2016)

A) Very small amount of lipase is secreted by salivary glands

B) Small amount of lipase is secreted by salivary glands

C) No lipase is secreted by salivary glands

D) Large amount of lipase is secreted by salivary glands

Q: Sulpholipids contain: (ETEA 2016)

A) Sulphite group

B) Sulphide group

C) Sulphate group

D) Bisulphite group

Q: Choose the macronutrient mineral essential for life: (ETEA 2016)

A) Zinc

B) Calcium

C) Manganese

D) Iodine

Q: How much phosphorus is required by an adult man per day: (ETEA 2016)

A) 500mg

B) 400mg

C) 800mg

D) 1800mg

Q: Secondary structure of proteins is elucidated by: (ETEA 2016)

A) Infrared spectroscopy

B) NMR spectroscopy

C) X-ray diffraction technique

D) All

Q: Oligosaccharides are involved in formation of: (ETEA 2016)

A) Secreted proteins

B) Blood clotting factors

C) Antibodies

D) All of the above

Q: Coagulation of proteins may be caused by: (ETEA 2017)

A) Heat

B) Change in pH

C) Heavy metal salts

D) All of the above

Q: Macronutrients are: (ETEA 2017)

A) K-Mg-N-P

B) Mn-S-P-Cu

C) Cu-Mg-Mn-S

D) Mg-Mn-Ca-P

Q: In saturated fatty acids more hydrogen is not accommodated because: (ETEA 2017)

A) Presence of single bonds between carbon atoms

B) Presence of double bonds between carbon atoms

C) Presence of triple bonds between carbon atoms

D) Absence of bond between carbon atoms

Q: Glycosidic linkage between glucose and fructose forms: (ETEA 2020)

A) Cellulose

B) Maltose

C) Sucrose

D) Lactose

Q: Based on physio-chemical properties, proteins may be classified into: (ETEA 2020)

A) Simple proteins

B) Compound proteins

C) Derived proteins

D) All of the above

Q: The widely used PVC is polymerized product of: (ETEA 2007)

A) CH2=CH2

B) CH2=CCl2

C) CICH=CHCl

D) CH2=CHCl

Q: The formation of PVC from vinyl chloride is an example of: (ETEA 2008)

A) Substitution reaction

B) Addition polymerization

C) Condensation polymerization

D) Condensation reaction

Q: Which of the following is not a polymer? (ETEA 2010)

A) Plastic

B) Petroleum

C) Starch

D) Natural rubber

Q: Which of the following is a condensation polymer? (ETEA 2010)

A) Nylon 6,6

B) Teflon

C) Polypropylene

D) Orlon

Q: Nylon-6,6 is obtained from: (ETEA 2012)

A) Adipic acid and hexamethylenediamine

B) Tetrafluoroethylene

C) Vinyl cyanide

D) Vinyl benzene

Q: Which of the following is not a polymer? (ETEA 2013)

A) Urea

B) Starch

C) Polythene

D) Natural rubber

Q: Which one of the following polymers contains nitrogen? (ETEA 2014)

A) PVC

B) Teflon

C) Nylon

D) Polypropylene