NEET Biology Ch Digestion and Absorption [Free PDF ] pancreas gland

NEET Biology Ch Digestion and Absorption Sample Questions

  1. The richest sources of vitamin-B12 are
    a) Goat’s liver and 𝑠𝑝𝑖𝑟𝑢𝑙𝑖𝑛𝑎 b) Chocolate and green gram
    c) Rice and hen’s egg d) Carrot and chicken’s breast
  2. The contraction of gall bladder is due to
    a) Gastrin b) Cholecystokinin c) Secretin d) Kinase
  3. In infant, the process of defecation occurs by
    a) Reflex action without voluntary control
    b) Reflex action with voluntary control
    c) Voluntary relaxation of external an sphincter
    d) Involuntary relaxation of internal and sphincter
  4. Deficiency of tocopherol in the human body causes which condition?
    a) Beri-beri b) Pellagra c) Infertikity d) Scurvy
  5. Brunner’s glands are located in
    a) Oesophagus b) Intestine c) Stomach d) Duodenum
  6. Which is the correct chronological order for food processing in human beings?
    a) Ingestion of food → Digestion → Absorption → Assimilation → Egestion (Undigested)
    b) Ingestion → Assimilation → Digestion → Absorption → Egestion
    c) Ingestion → Digestion → Absorption → Egestion → Assimilation
    d) Digestion → Ingestion → Assimilation → Absorption → Egestion
  7. Riboflavin is
    a) Vitamin-B12 b) Vitamin-B2 c) Vitamin-C d) Vitamin-D
  8. The stored food in animals is called
    a) Cellulose b) Starch c) Glucose d) Glycogen
  9. Consider the following statements.
    I. The anti-pellagra vitamin is nicotinamide present in milk, yeast, meat and leafy
    vegetables.
    II. Crypts of Leiberkuhn are present in the liver.
    III. Steapsin is the pancreatic amylase.
    a) I and II correct b) II and III correct c) I and III incorrect d) II and III incorrect
  10. Which of the following vitamins is water soluble as well as an antioxidant?
    a) Vitamin-B1 b) Vitamin-A c) Vitamin-D d) Vitamin-C
  11. Hydrochloic acid (HCl) is secreted by which of the following cells of stomach?
    a) Chief cells b) Parietal cells (oxyntic cells)
    c) Peptic cells d) Goblet cells
  12. What are the narrow extensions of the pulp cavity?
    a) Pulp b) Dentine c) Root canals d) Periodontal ligament
  13. Read thoroughly the following statements concerning with the assimilation of food. Identify true and false
    statements and choose the correct option from the given codes
    I. Conversion of amino acid into glucose and then into fat is irreversible reaction
    II. During the conversion of amino acids into glucose, amino group of amino acids is removed
    III. Excess of amino acids are converted into glucose and fats and thus are stored
    IV. Excess of simple sugars are stored in the liver and muscle cells. The process is known as glycogenolysis

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V. Process of gluconeogenesis occurs in the kidney and striped muscles
a) I, II, IV and V true while III is false b) I, II, III and V are true while IV is false
c) I, II, III and IV are false while V is true d) I, II and III are false while IV and V are true

  1. Why the eyes of the patients turns yellow during jaundice?
    a) Due to the deposition of bile pigments b) Due to the ejection of stomach content through
    mouth
    c) Due to the stomach malfunctioning d) Due to the excessive vomiting
  2. Which one of the following is a fat-soluble vitamin and its related deficiency disease?
    a) Ascorbic acid – Scurvy b) Retional – Xerophthalmia
    c) Cobalamin – Beri-beri d) Calciferol – Pellagra
  3. Secretin and cholecystokinin are secreted by
    a) Brunner’s gland found in duodenum
    b) Paneth cells present in duodenum
    c) Goblet cells present through out the epithelium of the stomach
    d) Oxyntic cells present on the side walls of the gastric glands
  4. Deficiency of Vitamin-B12causes
    a) Cheilosis b) Thalassemia c) Beri-beri d) Pernicious anaemia
  5. In human beings, digestion of carbohydrates starts from the mouth. How much percentage of it is digested
    in the mouth?
    a) 10-20% b) 25-30% c) 60%-75% d) About 85%
  6. Which one is a fat soluble vitamin?
    a) Vitamin-H b) Vitamin-C c) Vitamin-B d) Vitamin-D
  7. Bacteria 𝐸,𝑐𝑜𝑙𝑖 are found in which part of the alimentary canal?
    a) Caecum b) Rectum c) Colon d) All of these
  8. During starvation, what will be sequence of ending of food stuffs?
    a) Carbohydrate-fat-protein b) Carbohydrate-protein-fat
    c) Fat-protein-carbohydrate d) Fat-carbohydrate-protein
  9. The islets of Langerhans are found in
    a) Pancreas b) Stomach c) Liver d) Alimentary canal
  10. Which is the hardest material of the human body?
    a) Dentine b) Enamel c) Teeth d) Bone
  11. Characteristic of mammalian liver is
    a) Kupffer’s cells and leucocytes b) Leucocytes and canaliculae
    c) Glisson’s capsules and Kupffer’s cells d) Glisson’s capsule and leucocytes
  12. Least peristalsis occurs in
    a) Rectum b) Stomach c) Oesophagus d) Duodenum
  13. Digestive enzymes are
    a) Hydrolases b) Oxidoreductases c) Transferases d) Lyases
  14. Scurvy is caused due to deficiency of vitamin
    a) B b) A c) E d) C
  15. Duodenum has characteristic Brunner’s gland, which secrete two hormones called
    a) Kinase, oestrogen b) Secretin, cholecystokinin
    c) Prolactin, parathormone d) Oestradiol, progesterone
  16. The lacteals are found in
    a) Salivary glands b) Villi c) Spleen d) Mammary glands
  17. The pH value at which pepsin becomes inactive is
    a) Below pH 2 b) Below pH 5 c) Above pH 3 d) Above pH 5
  18. Intestional lymphangiectasia is characterised by
    a) Dilated intestinal lacteals b) Contracted intestinal lacteals
    c) Descreased number of peneth cells d) Increased number of peneth cells

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  1. Deficiency of cyanocobalamine causes
    a) Pernicious anaemia b) Pellagra c) Ketomalacia d) Ariboflavinosis
  2. Which combination is responsible to increase the cholesterol level of the blood?
    a) Saturated fats and proteins b) Unsaturated fats and proteins
    c) Both saturated and unsaturated fats d) Saturates fats and polyunsaturated fatty acids
  3. FAD is a coenzyme derived from
    a) Riboflavin b) Vitamin-B12 c) Thiamine d) Niacin
  4. What name would you suggest for a thoroughly mixed food the with gastric juices by the churning
    movements of muscular stomach wall?
    a) Bolus b) Chyme
    c) Either bolus or chyme d) None of these
  5. Which of the following is the constituent of pancreatic juices?
    a) Sodium bicarbonate and three proenzymes
    b) Potassium bicarbonate and three proenzymes
    c) Sodium bicarbonate and five proenzymes
    d) Potassium bicarbonate and five proenzymes
  1. Which one serves as a passage for both food and air?
    a) Larynx b) Pharynx c) Gullet d) Glottis
  2. Which of the following animal exhibits diphyodont dentition?
    a) Snakes b) Crocodiles c) Horse d) Elephant
  3. Choose an incorrect statement regarding the functions of large intestine
    a) Large intestine absorbs the products of bacterial digestion
    b) Absorption of electrolytes, water and some amino acids occur mainly in the stomach
    c) Mucous lubricates faecal matter
    d) Feces are temporarily stored in the rectum
  4. Generally, new born babies shows a symptoms of a mild form of jaundice which is known as
    a) Prehepatic jaundice b) Hepatic jaundice
    c) Neonatal jaundice d) Physiological jaundice
  5. Which one of the following combination of vitamins are synthesised by bacteria?
    a) Vitamin-B12 and K b) Vitamin-B1 and B c) Vitamin-B and B12 d) Vitamin-K and D
  6. The best source of vitamin-B1is
    a) Whole Wheat bread b) Cod liver oil c) Egg d) Curd
  1. Which one of the following statements is/are correct?
    I. Frenulum is the fold by which tongue is attached to the floor of mouth or oral cavity
    II. Lower surface of the tongue has little projection which bears taste buds
    III. Pharynx is the common passage for food and air
    IV. Sphincter of oddi guards and regulates the opening of stomach into duodenum
    V. Colon has 3 parts an ascending, a transverse and a descending part and the later opens into the rectum
    a) I, II and III are correct b) IV and V are correct c) I, II, III, IV and V d) I, III and V are correct
  2. Wisdom teeth in human is
    a) 3rd molar and 4 in number b) 3rd molar and 2 in number
    c) 2nd molar and 4 in number d) 2nd molar and 2 in number
  3. Which one of the correct option for labels A, B and C in the given diagram? a) A-Liver, B-Mucosa, C-Peritoneum b) A-Liver, B-Circular muscle layer, C-Serosa
    c) A-Pancreas, B-Mucosa, C- Peritoneum d) A-Pancreas B- Submucosa, C- Serosa
  4. What is the medium of human saliva?
    a) Acidic b) Basic c) Neutral d) Highly acidic
  5. Small projections found on the upper surface of tongue are called
    a) Frenulus b) Taste buds c) Sulcus terminals d) Papillae
  6. The Digestive enzyme that is not found in human pancreatic juice is
    a) Nucleotidase b) Nuclease c) Trypsin d) Lipase
  7. Which one of the following enzymetic reaction is incorrect?

a) Nucleic acids Nucleotidase → Nitrogen bases +
Pentose sugar
b) Fat
(Emulsified)
Lipase → Pancreatic
Fatty acids + Diglycerids

c) Starch α amylase → Pancreatic
Maltose + Isomaltose + α
dextrias
d) Proteins Pepsin → Peptones + Proteose

  1. Bile salts act as activator of which enzyme?
    a) Pepsinogen b) Trypsinogen c) Lipase d) Pancreatic amylase
  2. Sphincter of Oddi guards
    a) Hepato-pancreatic duct b) Common bile duct
    c) Pancreatic duct d) Cystic duct
  3. Stomach located on the upper left portion of abdominal cavity has three parts, a …A… portion into which
    the oesophagus open, a …B… region and a …C… portion, which opens into small intestine.
    Identify A, B and C to complete the given NCERT statement and choose the correct option accordingly
    a) A-cardiac, B-fundic, C-pyloric b) A-fundic, B-cardiac, C-pyloric
    c) A-pyloric, B-cardiac, C-fundic d) A-pyloric, B-fundic, C-cardiac
  4. The opening of the common bile duct is guarded by sphincter?
    a) Pyloric b) Ileo-caecal c) Oddi d) Muscularis mucosa
  5. Which part of small intestine opens into large intestine?
    a) Colon b) Jejunum c) Ileum d) Duodenum

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  1. Which one of the following pairs is not correctly matched?
    a) Vitamin-B12- Pernicious anaemia b) Vitamin-B6- Loss of appetite
    c) Vitamin-B1- Beri-beri d) Vitamin-B2- Pellagra
  2. In human teeth, which helps in cutting?
    a) Canine b) Incisor c) Molar d) Premolar
  3. Medium, in which pepsin is active?
    a) Neutral b) Alkaline c) Acidic d) Isotonic
  4. Glisson’s capsules are found, in which organ of mammals?
    a) Stomach b) Kidney c) Testis d) Liver
  5. What is the process of food passage from buccal cavity to the site of water and mineral absorption
    a) Mouth → Buccal cavity → Pharynx → Oesophagus → Duodenum → Stomach → lleum → Large intestine
    b) Mouth → Buccal cavity → Pharynx → Oesophagus → Stomach → Duodenum → lleum → Caecum →
    Rectun
    c) Mouth → Buccal cavity → Pharynx → Larynx → Stomach → Small intestine → Large intestine
    d) Mouth to buccal cavity → Pharynx → Food pipe → Stomach → Large intestine → Small intestine
  6. Examination of blood of a person suspected of having anaemia, shows large, immature, nucleated
    erythrocytes without haemoglobin. Supplementing his diet with which of the following is likely to alleviate
    his symptoms?
    a) Thiamine b) Folic acid and cobalamin
    c) Riboflavin d) Iron compounds
  7. What do you mean by dental formula?
    a) An arrangement of teeth in mouth in the order of I, C, PM, M
    b) An arrangement of teeth in each half of the upper and lower jaw in the order of I, C, PM, M
    c) An arrangement of teeth in upper jaw in the order to I, C, PM, M
    d) An arrangement of teeth in the lower jaw in the order to I, C, PM, M
  8. Improper balance diet may cause
    a) Self-poisoning b) Scarcity of moisture in eyes
    c) Feeble muscles d) All of the above
  9. Which of the following metals is present in vitamin-B12?
    a) Cobalt b) Copper c) Zinc d) Magnesium
  10. If pancreas is removed, the compound, which remains undigested is
    a) Carbohydrates b) Fats c) Proteins d) All of these
  11. Cattle fed with spoilt hay to sweet clover, which contains dicumarol
    a) Are healthier due to a good diet b) Catch infections easily
    c) May suffer vitamin-K deficiency and prolonged
    bleeding
    d) May suffer from beri-beri due to deficiency of
    vitamin–B
  12. Crypts of Leiberkuhn are involved in
    a) Secretion of succus entericus b) Secretion of rennin
    c) Secretion of ptyalin d) Digestion of food
  13. Ptyalin is inactivated by a component of gastric juice known as
    a) Pepsin b) Mucus c) Rennin d) HCl
  14. Which combination is not correctly matched?
    a) Vitamin-K – Faulty in blood clotting b) Vitamin-C – Pyorrhoea, crack on mouth corner
    c) Vitamin-B2 – Beri-beri d) Vitamin-A – Night blindness
  15. How many deciduous teeth are present in human?
    a) 22 b) 24 c) 20 d) 18
  16. Crypts of Leiberkuhn are present in
    a) Small intestine b) Liver c) Stomach d) Colon
  17. Study thoroughly the following statement and identify which of the following is/are correct and incorrect?
    I. Bile salt present in bile is responsible to emulsify the fats in small intestine

II. Bicarbonates of sodium, potassium, glycocholate and faurocholate of sodium are bile salts
III. The pH of hepatic bile is 8.6, while pH of gall bladder is 7.6 or 7.5
IV. The flow of bile from liver takes place through hepatic duct, common bile duct, -hepatopancreatic
ampulla and finally to the first part of small intestine
V. Gall bladder in rat and horse does not store bile
Choose the correct option
a) I, III and IV are incorrect, while II and V are correct
b) Al statement are correct
c) Statement II and V are incorrect while, I, III and IV are correct
d) All statement are incorrect

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