NEET UG Biology Digestion and Absorption MCQs

IMPORTANT POINTS

• The biochemical process in which complex food converts into simple and absorbable substance with the help of digestive enzymes is called digestion.
• The diet substances include carbohydrates, lipids, proteins, vitamins, minerals and water.
• The human diugestive track include mouth, pharynk, oesophagus, stomach, duodenum, small intestine, rectum and anal canal. Besides these certain accessory digestive glands like liver and pancreas are incorporate (d) 
• In the process of digestion five types of gastric juices, enzyme and other substances are helps. In which saliva secrets from salivary gland, gastric

(1 ) Which enzyme is required for conversion of complex component to simple component ?

(A) Hydrolytic   (B) Migratory   (C) Adhesives   (D) Convertor

(2) Which components are assimilated in their original forms ?

(A) Carbohydrate and Lipid   (B) Minerals and Vitamins

(C) Protein and Fat   (D) All above

(3)Which is the descending sequence of human digestive track ?

(A) Mouth, Oesophagus, Small intestine, Stomach, Large intestine

(B) Mouth, Pharynx, Stomach, Duodenum,Small intestine

(C) Pharynx, Stomach, Duodenum, Oesophagus, Anal canal

(D) Oesophagus, Large intestine, Small intestine, Rectum, Anal canal

(4) What is the numbers of teeth in 5 years old child ?

(A) 10   (B) 16   (C) 32   (D) 20

(5) What is the numbers of teeth in the lower jaw of 5 years old child ?

(A) 10   (B) 8   (C) 16   (D) 5

(6) What is the dental formula of teeth in 5 years old child ?

(A) 2123 2123   (B) 2103 2103   (C) 2003 2003   (D) 2120 2120

(7) How many total teeth are present in human jaw ?

(A) 16   (B) 20   (C) 32   (D) 34

(8) How many total teeth are present in the lower jaw of human ?

(A) 32   (B) 10   (C) 8   (D) 16

(9) Which teeth are not present in the jaws of little child ?

(A) Canine   (B) Premolar   (C) Molar   (D) Incisor

(10) By which name the joint of teeth in jaws is known ?

(A) Heterodont   (B) Thecodont   (C) Diphyodont   (D) All above 

 (11) Where does our mouth open ?

(A) Body cavity (B) Buccal cavity (C) Pharynx (D) Oesophagus

(12) Presence of different types of teeth is known as…..

(A) Thecodont (B) Diphyodont (C) Heterodont (D) Permanent teeth

(13) By what the crown of teeth is made of ?

(A) Dentine (B) Enamel (C) Cement (D) Aereolar

(14) Which layer is not present in the teeth ?

(A) Pulp (B) Dentin (C) Mucous (D) Crown

(15) Which part of teeth possesses nerve and blood vessel ?

(A) Pulp (B) Dentin (C) Crown (D) All abavs

(16) Which type of teeth Human possesses ?

(A) Thecodont, Heterodont (B) Thecodont, bilateral
(C) Heterodont, Diphyodont (D) Thecodont, Temporary

(17) Where does our Buccal cavity open ?

(A) Oesophagus (B) Salivary gland (C) Pharynx (D) Stomach

(18) By which structure tongue is attached with lower region of buccal cavity in human?

(A) Bony (B) Frenulum (C) Muscular (D) Fibrous

(19) Mention the correct pair for test bud present in the tongue.

(A) Fungiform, Filiform (B) Vallate, Simplices
(C) Filiform, Complex (D) A and B both

(20) Which of the following acts as a salivary gland ?

(A) Submandidular gland, Sublingual gland, Parotid gland
(B) Sublingual gland, SubParotid gland, Subclavian gland
(C) Parotid gland, Portal gland, Submandibular gland
(D) Subclavian gland, SubParotid gland, Sublingual gland

(21) Which is the largest salivary gland of human ?

(A) Sublingual gland (B) Submandibular gland
(C) Parotid gland (D) SubParotid gland

(22) Where the Submandibular gland is located ?

(A) Under the teeth (B) Under the bones of jaw
(C) Under the tongue (D) Anterior region of tongue

(23) Where the Sublingual gland is located ?

(A) Lower region of tongue (B) Under membrane of the tongue

(C) Under the tongue (D) Anterior region of tongue

(24) What is the approximate length of pharynx in human ?

(A) 25 cm (B) 12.5 cm (C) 11.5 cm (D) 15.5 cm

(25) What is the length of Oesophagus in human ?

(A) 12 to 15 cm (B) 12.5 to 15.5 cm(C) 23 to 25 cm (D) 20 to 28 cm

(26) Which structure is present at the joining of small intestine and large intestine ?

(A) Sphincter muscle value (B) Ileo- colic value

(C) Pyloric value (D) Muscular inhibiting value

(27) Duodenum is a part of ___

(A) Stomach (B) Oesophagus (C) Digestive track (D) Small Intestine

(28) Which duct opens in Duodenum ?

(A) Bile duct (B) Pancreatic duct (C) Lingual duct (D) A and B both

(29) By which name the longest convoluted part of small intestine is known ?

(A) Midgut (B) Ileum (C) Foregut (D) Hindgut

(30) What are the approximate lengths of large intestine and small intestine respectively in human ?

(A) 1.5 meter and 2 to 4 meter (B) 2 to 4 meter and 1.5 meter

(C) 7 meter and 5 meter (D) 5 meter and 7 meter

(31) From where the large intestine starts ?

(A) Foregut (B) Intestinal caecum (C) Appendix (D) Ileum

(32) Which of the following is the smallest digestive duct ?

(A) Oesophagus (B) Large Intestine (C) Pharynx (D) Small Intestine

(33) The layers of wall of digestive duct from inner to outer are ____

(A) Muscular layer, Submucosa, Serosa, Mucosa

(B) Serosa, Submucosa, Mucosa,Muscular layer

(C) Mucosa, Submucosa, Muscular layer, Serosa

(D) Mucosa, Muscular layer, Submucosa, Serosa

(34) Which layer surrounds the cavity of digestive track ?

(A) Serosa (B) Muscular layer (C) Submucosa (D) Mucosa

(35) By what the muscular layer is surrounded ?

(A) Serosa and Mucosa (B) Serosa and SubMucosa

(C) Mucosa and SubMucosa (D) ) Mucosa and Serosa

(36) What are Goblet cells ?

(A) Mucus secreting cells (B) Absorbing cells

(C) Enzyme secreting cells (D) Phagocytic cells

(37) By which tissue membrane, liver is covered ?

(A) Areolar tissue (B) Epidermal tissue

(C) Connective tissue (D) Muscle tissue

(38) In which organ bile juice produced ?

(A) Liver (B) Gall bladder (C) Pancreas (D) Duodenum

(39) In which organ bile juice functions?

(A) Liver (B) Gall bladder (C) Pancreas (D) Duodenum

(40) Where the digestion of food is started ?

(A) Oesophagus (B) Pharynx (C) Stomach (D) Buccal cavity

(41) Which enzymres are in the composition of gastric juice ?

(A) Ptylin, Renin, Lipase (B) Pepsin, Ptylin, Renin,

(C) Lipase Pepsin, Renin, (D) Ptylin, Lipase,Pepsin

(42) Who digests Starch ?

(A) Ptylin (B) Pepsin (C) Trypsin (D) Renin

(43) Function of lysozyme ____

(A) Anti bacterial agent (B) Absorption

(C) Digestion of lipid (D) Transport of food

(44) Which is the important enzymes of gastric juice ?

(A) Renin (B) Lipase (C) Pepsin (D) Ptylin

(45) By what Trypsinogen is converted into Trypsin ?

(A) Oxantic cells (B) Enterokinase (C) Bicarbonate salts (D) Chyme

(46) What is digesteg by trypsin ?

(A) Protein (B) Lipid (C) Carbohydrate (D) All Above

(47) Protein

(A) Polypeptide, Aminao acids (B) Proteoses, Peptons

(C) Polypeptide, Peptons (D) Polypeptide, Disaccharides

(48) Protein

(A) Diglyceraldehydes, Monoglyceraldehydes (B) Glycerol, Fatty acids

(C) Polypeptide, Aminao acids (D)Dipeptide, Aminao acids

(49) Lipids

(A) Diglyceraldehydes, Monoglyceraldehydes (B)Dinucleotides, Mononucleotides

(C) Dipeptide, Peptieds (D)Fatty acids, Aminao acids

(50) Maltose

(A) Glucose, Fructose (B) Glucose, Galectose

(C) Glucose, Sucrose (D)Glucose, Glucose

(51) Which enzymes converts Monoglyceral-dehydes into fatty acids and glyecrol ?

(A) Protease (B) Sucrase (C) Maltase (D) Lipase

(52) Components which is responsible for stimulation of juice.

(A) HCl (B) Gastrin (C) Enterogastrone (D)Erepsin

(53) What product can be obtain by erepsin ?

(A) Glucose (B) Amino acid (C) Trypsin (D) Glycerol

(54) By which process water is transported ?

(A) Osmosis (B) Diffusion (C) Active transport (D) Passive transport

(55) Which gland in our digestive system has compound racemose structure ?

(A) Liver (B) Salivary gland (C) Pancreas (D) Duodenum

(56) Which hormones are secreted by Pancreas ?

(A) Prolectin, Insulin (B) Insulin, Glucagon

(C) Secretin, Glucagon (D) Bilirubin, Prolectin

(57) Hydrolyzing the complex components into small size with the help of enzyme means ____

(A) Assimilation (B) Ingestion (C) Digestion (D) Absorption

(58) In the absorption of which component no difficulties arise ?

(A) Amino acid (B) Fructose (C) Fatty acid (D) Glycerol

(59) The characteristic of colitis is ____

(A) Watery stool with blood and mucus (B) Lack of food absorption

(C) Facces are not moved ahead in the rectum (D) Swelling in stomach

(60) Not connected with peptic ulcer ____

(A) Irregular diet (B) indigestion (C)Mental stress (D) Pressure of emotion

(61) What is colitis ?

(A) Constipation (B) Hepatities (C) Ulcer in colon (D) Swelling in colon

(62) What is ulcerative ?

(A)Swelling in colon (B) Swelling in stomach

(C) Ulcer in colon (D)Ulcer in stomach

(63) What is the causes of gastritis ?

(A)Swelling in stomach (B) Effect of gastric juice

(C) Swelling in colon (D)Toxic effect in digestive track

(64) Digestion related diseaes in which liver is effected ?

(A) Indigestion (B) Hepatitis (C) Colitis (D) Ulcerative

(65) In which organ of digestive track hydrolysis of starch into maltose take place ?

(A) Stomach (B) Liver (C) Duodenum (D) Mouth

(66) Pancreas is an endocrine as well as exocrine gland because

(A) It secretes insulin and glucagon hormones (B) It secretes alkaline pancreatic juice

(C) It is very much similar to the structure of salivery gland (D) A and B both

(67) Improper sentence for liver ____

(A) It carries1.2 to 1.5 Kg weight in adult human (B) It like compound racemose gland

(C) It lockated in abdominal cavity. (D) It is divided into left and right lobes.

(68) Mention the improper sentence from following :

(A) Bile juice emulsifies the fat.

(B) Chyme is a digestive acidic food in stomach.

(C) Pancreatic juice converts lipid into fatty acid and glycerol.

(D) Endogastrin stimulates the secretion of gastric juice.

(69) Complex components are not absorbed by digestive track because ____

(A) They are large in size. (B) Their molecular wights is high.

(C) They are insoluble. (D) A and B both

(70) What are chyme particles ____

(A) The process of conversion of fat into small droplets.

(B) The process of conversion of Micelles substances of glycerol into fatty droplet.

(C) The process of preparation of incompletely digested acidic food through gastric juice

(D) The process of preparation of completely digested liquid food in midgut.

(71) Improper sentence for hepatitis ____

(A) Eyes are seen yellow due to increased amount of bile pigments.

(B) Toxic effect or moving effect in digestive track is responsible.

(C) The liver cells faill to excrete bile.

(D) Obstacle occurred in bile duct.