Free MCQs & Online Quiz Practice for Exams

Q: All of the following are macronutrients except: (ETEA 2019)

A) Cu²⁺

B) Ca²⁺

C) Mg²⁺

D) K⁺

Q: Potamogeton is an example of: (ETEA 2019)

A) Xerophyte

B) Mesophyte

C) Hydrophyte

D) Halophyte

Q: _____ stimulates fruit ripening. (ETEA 2019)

A) Cytokinin

B) Abscisic acid

C) Ethylene

D) Auxin

Q: Pancreatic juice contains all except: (ETEA 2005)

A) Amylase

B) Lipase

C) HCl

D) Trypsin

Q: In which part of the human body are bacteria normally present in abundance: (ETEA 2005)

A) Salivary glands

B) Stomach

C) Intestine

D) Liver

Q: The role of bacterial population in the large intestine of man is to: (ETEA 2006)

A) Break down cellulose

B) Synthesize some vitamins

C) Produce intestinal juice

D) Absorb water and retain salts

Q: The coating of the stomach which protects it against the action of hydrochloric acid and pepsin is: (ETEA 2006)

A) H₂O

B) Saliva

C) Gastrin

D) Mucin

Q: Teeth adapted for cutting are: (ETEA 2007)

A) Canines

B) Incisors

C) Premolars

D) Molars

Q: Protein is converted into peptones by which of the following enzymes: (ETEA 2007)

A) Amylase

B) Trypsin

C) Lipase

D) Hipase

Q: Which enzyme helps in the digestion of fats: (ETEA 2008)

A) Ptyalin

B) Pepsin

C) Diastase

D) Lipase

Q: Which of the following is NOT present in pancreatic juice: (ETEA 2008)

A) Amylase

B) Lipase

C) Trypsinogen

D) Insulin

Q: Ammonia is formed during digestion in: (ETEA 2009)

A) Liver

B) Stomach

C) Small intestine

D) Large intestine

Q: The amount of bile produced by the human liver is: (ETEA 2009)

A) 1000 ml/day

B) 2000 ml/day

C) 3000 ml/day

D) 4000 ml/day

Q: An enzyme in gastric juice of many infant mammals that precipitates milk protein is: (ETEA 2009)

A) Rennin

B) Pepsinogen

C) Gastrin

D) Pepsin

Q: Much of mechanical digestion takes place in the: (ETEA 2011)

A) Esophagus

B) Mouth

C) Stomach

D) Duodenum

Q: Which of the following represent bile salts: (ETEA 2012)

A) Bilirubin

B) Hemoglobin

C) Both a and b

D) None of these

Q: Conversion of excess glucose into fat is known as: (ETEA 2012)

A) Glycolysis

B) Lipogenesis

C) Ketogenesis

D) Glycogenesis

Q: Excretion of bile pigments in blood indicates: (ETEA 2012)

A) Anemia

B) Diabetes

C) Rickets

D) Jaundice

Q: Appendix is vestigial in man but may play a role in: (ETEA 2013)

A) Digestion

B) Excretion

C) Immunity

D) Movement

Q: Brunner’s glands are found in: (ETEA 2013)

A) Stomach

B) Duodenum

C) Ileum

D) Colon