Digestion and Absorption MCQ

Digestion and Absorption MCQ/Objective questions Chapter 16 Biology

Why our body breaks complex macromolecules into simple molecules?

  • a. Complex molecules are harmful to our body
  • b. Our body can not utilize complex molecules as such
  • c. Complex molecules take low space in storage
  • d. None
b. Our body can not utilize complex molecules as such

Teeth of most mammals including humans are fit into the socket of the jaw bone. This attachment is:

  • a. Thecodont
  • b. Monophyodont
  • c. Diphyodont
  • d. Multiphyodont
a. Thecodont
Humans and most mammals have thecodont and diphyodont teeth. Thecodont means teeth are attached to socket while diphyodont meany they appear twice in life.

Biggest organ in a human is:

  • a. Liver
  • b. Stomach
  • c. Skin
  • d. Lung
c. Skin

Human teeth formula is :

  • a. 2 X 033/433
  • b. 2 X 331/133
  • c. 2 X 2133/2133
  • d. 2 X 2222/2222
c. 2 X 2133/2133
Two incisors, one canine, three premolars and three molars. Option a shows cows teeth formula while b show a canine animal teeth

Common place for food and air in the mouth is

  • a. Pharynx
  • b. Larynx
  • c. Glottis
  • d. Trachea
a. Pharynx
Mouth opens into pharynx. It is common place for both food and air. Epiglottis prevent entry of food into glottis.

Wall layer from alimentary canal to the rectum in outer to inner fashion is:

  • a. Serosa<muscularis<Mucosa<sub-mucosa
  • b. Seorsa<muscularis<sub-mucosa<mucosa
  • c. Seorsa<mucosa<muscularis<sub-mucosa
  • d. Seorsa<mucosa<sub-mucosa<muscularis
a. Serosa<muscularis<Mucosa<sub-mucosaDigestion and Absorption MCQ

Lymph vessels that absorb smaller fatty acids from intestine is:

  • a. Crypts of Liberkuhn
  • b. Microvilli
  • c. Lacteals
  • d. None
c. Lacteals

Largest gland of a human body is:

  • a. Kidney
  • b. Liver
  • c. Gall bladder
  • d. Salivary gland
b. Liver

Thin connective tissue sheet that cover the lobes of a liver is:

  • a. Bowman’s capsule
  • b. Glisson’s capsules
  • c. Pericardium
  • d. None
b. Glisson’s capsules

Sphinctor of oddi guard:

  • a. Bile duct
  • b. Pancreatic duct
  • c. Hepato-pancreatic duct
  • d. None
c. Hepato-pancreatic duct

Which of the following is a storage organ for bile juice

  • a. Gall bladder
  • b. Liver
  • c. Pancrease
  • d. Intestine
a. Gall bladder
Liver secretes bile juice. It is stored in the gall bladder.

Digestion of carbohydrates starts in

  • a. Mouth
  • b. Esophagus
  • c. Stomach
  • d. Ontestine
a. Mouth
Salivary amylase breaks starch into maltose in mouth.

Small broken masticated food mixed with saliva that enter esophagus is:

  • a. Bolus
  • b. Chyme
  • c. Embolus
  • d. None
a. Bolus

The food mixed with gastric juice and turned in the stomach is:

  • a. Bolus
  • b. Chyme
  • c. Embolus
  • d. None
b. Chyme

A protelytic enzyme found in the stomach of infants that help I the digestion of milk is

  • a. Pepsin
  • b. Renin
  • c. Trypsin
  • d. None
b. Renin

Pepsin works only in the presence of gastric juice because it needs:

  • a. Alkaline medium
  • b. Neutral PH
  • c. Acidic medium
  • d. None
c. Acidic medium

Following is a constituent of pancreatic juice except one which is:

  • a. Trypsinogen, Chymotrysinogen
  • b. Procarboxypeptidases
  • c. Amylase, lipase, nuclease
  • d. Pepsin
d. Pepsin

Which clls in the intestine secrete mucus?

  • a. Parietal cells
  • b. Goblet cells
  • c. Hepatic cells
  • d. None
b. Goblet cells

Trysin works in

  • a. Alkaline medium
  • b. Acidic medium
  • c. Neutral PH
  • d. None
a. Alkaline medium

Major function of large intestine is:

  • a. Absorption of food
  • b. Absorption of water
  • c. Lubrication of undigested material
  • d. Both b and c
d. Both b and c

See also:

Plant Growth and Development MCQ

Respiration in Plants MCQ

Photosynthesis in Higher Plants MCQ

Digestion and Absorption MCQ/Objective questions Chapter 16 Biology

Ref: Chapter 16.

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