Digestive System Test Questions and answers on Digestive Glands and Digestive System.
Ques. The function of tongue is to
(a) Help in the act of swallowing
(b) Help in mixing saliva with the food
(c) Help in speaking
(d) All the above
Ques. One of the digestive juices that lacks enzymes but aids digestion is
(a) Bile
(b) Succus entericus
(c) Chyme
(d) Chyle
Ques. Largest chamber in the digestive system of ruminants is
(a) Rumen
(b) Reticulum
(c) Omasum
(d) Abomasum
Ques. Gastric digestion takes place efficiently in
(a) acidic medium
(b) basic medium
(a) neutral medium
(d) None of these
Ques. The digestion of food starts in
(a) Mouth
(b) Liver
(c) Small intestine
(d) Large intestine
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Ques. Fat digestion is facilatated by
(a) Bile juice
(b) Pancreatic juice
(c) Gastric juice
(d) None of these
Ques. In the ruminant stomach, micro-organisms are present in the
(a) Omasum
(b) Intestine
(c) Oesophagus
(d) Rumen
Ques. Pancreatic juice contains enzymes which digest:
(a) Proteins and carbohydrates only
(b) Proteins and fat only
(c) fats and carbohydrates only
(d) proteins, fats and carbohydrates
Ques. The end product of fat digestion is
(a) Amino acids
(b) Starch
(c) Fatty acids
(d) Glucose
Ques. Which of the following are the correct functions of two components of pancreatic juice trypsin and lipase
(a) trypsin digests protins and lipase carbohydrates
(b) trypsin digests emulsified fats andlipase proteins
(c) trypsin digests starch and lipase fats
(d) trypsin digests proteins andlipase emulsified fats
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Ques. A lubricant, mucin in saliva is made up of
(a) Glycoprotein
(b) Polysaccharides
(c) Phospholipids
(d) Myosin
Ques. During digestion the lymphatics of the intestine become filled with fat globules which give white colour to the lymph. This lymph is known as
(a) Chyle
(b) Haemoconia
(c) Fluid plasma
(d) Bilirubin
Ques. If the saliva is lacking amylase, then which of the following process taking place in the cavity will be affected?
(a) proteins breaking down into amino acids
(b) starch breaking down into sugars
(c) fats breaking down into fatty acids and glycerol
(d) intestinal layer breaking down leading to
Ques. Caprophagy is seen in
(a) Cow
(b) Rabbit
(c) Goat
(D) Ox
Ques. Submucosa is thickest in
(a) Stomach
(b) Oesophagus
(c) Intestine
(d) Rectum
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Ques. Which of the following is not a human salivary gland?
(a) Parotid
(b) Submaxillary
(c) Sublingual
(d) Infra-orbital
Ques. Digestion is
(a) Absorption of water
(b) Absorption of food
(c) Conversion of non-diffusable food particle in diffusable food particle
(d) None of these
Ques. The inner lining of stomach is protected by one of the following from the harmful effect of hydrochloric acid. This is:
(a) pepsin
(b) mucus
(c) saliva
(d) bile
Ques. Cellulose is made of several molecules of :
(a) Glucose
(b) Sucrose
(c) Galactose
(d) Honey
Ques. Animals eating own faecal matter are
(a) Sanguivorous
(b) Frugivorous
(c) Coprophagous
(d) Deteritivorous
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Ques. Which word best describes the action of bile on fats
(a) Neutralises
(b) Digests
(c) Emulsifies
(d) Absorbs
Ques. The process of digestion in humans is completed in:
(a) oesophagus
(b) small intestine
(c) stomach
(d) large intestine
Ques. Digestion of protein is necessary due to
(a) Proteins are not absorbed as such
(b) Proteins are large molecules
(c) Proteins have complex structure
(d) Proteins are made up of amino acids
Ques. Micro-organisms in the ruminant stomach ferment glucose and produce
(a) Hydrochloric acid
(b) Nitric acid
(c) Acetic acid
(d) Fatty acid
Ques. Removal of stomach causes
(a) Dumping syndrome
(b) Turner’s syndrome
(c) Emphysema
(d) None of these
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Ques. The chief function of bile is to
(a) Digest fat by enzymatic action
(b) Emulsify fats for digestion
(c) Eliminate waste products
(d) Regulate digestion of proteins
Ques. Function of HCl in stomach is to
(a) Kill micro-organisms of food
(b) Facilitate absorption of food
(c) Dissolve enzymes
(d) Activate pepsinogen to pepsin
Ques. Killing of bacteria occurs in
(a) Rumen
(b) Reticulum
(c) Omasum
(d) Abomasum
Ques. The process of digestion of food in humans begins in:
(a) stomach
(b) food pipe
(c) mouth
(d) small intestine
Ques. HCl is secreted by
(a) Zymogen cells
(b) Oxyntic cells
(c) Kupffer cells
(d) Mucous cells
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Ques. End products of protein hydrolysis are
(a) Mixture of amino acids
(b) Sugars
(c) Peptides
(d) 25 amino acids
Ques. In ruminants digestion is an example for
(a) parasitism
(b) Symbiosis
(c) Sporophytism
(d) All
Ques. The length of small intestine in a human adult is about:
(a) 4.5 m
(b) 1.5 m
(c) 3.5 m
(d) 6.5
Ques. Acid secretion in stomach is stimulated by
(a) Gastrin
(b) Histamine
(c) Vagal discharge
(d) All of these
Ques. True stomach is
(a) Rumen
(b) Reticulum
(c) Abomasum
(d) Omasum
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Ques. The acid present in gastric juice
(a) Nitric acid
(b) Sulphuric acid
(c) Hydrochloric acid
(d) Acetic acid
Ques. Which one of the following will not take place when glucose is taken as food?
(a) Ingestion
(b) Digestion
(c) Absorption
(d) Assimilation
Ques. Digestive juice without enzymes:
(a) Bile
(b) Gastric Juice
(c) Pancreatic Juice
(d) Saliva
Ques. In the wall of alimentary canal which are/ is true sequence from outer to inner
(a) Serosa, longitudinal muscle, mucosa, sub mucosa
(b) Mucosa, serosa, long muscle
(c) Serosa, long muscle, circular, sub-mucosa, mucosa
(d) Serosa, long muscle, sub-mucosa, mucosa
Ques. Chyme is :
(a) Partially digested food
(b) An undigested food
(c) Absorbed food
(d) Solid food
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Ques. In man cellulose is digested in
(a) The caecum
(b) The colon
(c) The appendix
(d) Not digested at all
Ques. Number of pairs of salivary glands are
(a) 1
(b) 2
(c) 3
(d) 4
Ques. Where are proteins first digested in the alimentary canal?
(a) small intestine
(b) oesophagus
(c) mouth
(d) stomach
Ques. A rabbit eats a lot of gram. Then its digestion starts in
(a) Mouth
(b) Stomach
(c) Duodenum
(d) Ileum
Ques. Trypsin acts on
(a) Proteins
(b) Carbohydrates
(c) Fats
(d) All
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Ques. Ptyalin is
(a) Salivary amylase
(b) Gastric amylase
(c) Pancreatic amylase
(d) None
Ques. Lacteals are central lymph vessels which are found in
(a) Liver
(b) Pancreas
(c) Villi
(d) Spleen
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Ques. The inner surface of the large intestine is
(a) Lined by muscular tissue
(b) Provided with epithelial tissue
(c) Lined with both epithelial and muscular tissue
(d) Lined by all four layers
Ques. In vertebrates, lacteals are found in
(a) Ileum
(b) Ischium
(c) Oesophagus
(d) Ear
Ques. In pancreas, pancreatic juice and hormones are secreted by
(a) Same cells
(b) Different cells
(c) Same cells at different times
(d) None of these
Ques. The number of salivary glands in man is
(a) Two pairs
(b) Three pairs
(c) Four pairs
(d) Five pairs
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Ques. Pancreatic juice contains
(a) Trypsin, lipase and maltase
(b) Pepsin, trypsin and maltase
(c) Trypsin, chymotrypsin, amylase and lipase
(d) Trypsin, pepsin and amylase
Ques. Lactase is found in
(a) Saliva
(b) Bile
(c) Pancreatic juice
(d) Intestinal juice
Ques. Digestion of both starch and protein is done by
(a) Gastric juice
(b) Gastric lipase
(c) Pancreatic juice
(d) Ptylin
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