NEET Biology Digestion and Absorption MCQs Set 08

Biology Objective Questions and Answers: Digestion and Absorption

Explore reliable objective questions for Digestion and Absorption tailored for NEET learners. Utilizing these Biology multiple-choice formats ensures thorough preparation and strengthens problem-solving speed for upcoming school assessments.

Download Digestion and Absorption MCQs with Answers

View or download the dedicated Digestion and Absorption MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Biology evaluations.

Multiple Choice Questions

Question 1: The initial step in the digestion of milk in humans is carried out by
(a) Lipase
(b) Trypsin
(c) Rennin
(d) Pepsin
Show Answer & Explanation

Answer: (c) Rennin

Explanation:
1. The initial step in the digestion of milk in human is carried out by rennin.

Question 2: Fructose is absorbed into the blood through mucosa cells of intestine by the process called:
(a) Active transport
(b) Facilitated transport
(c) Simple diffusion
(d) Co-transport mechanism
Show Answer & Explanation

Answer: (b) Facilitated transport

Explanation:
1. Fructose is absorbed with the help of the carrier ions like Na+. This mechanism is called facilitated transport.

Question 3: Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II<br />Column I Column II
(a) Fructose, Na+ Small intenstine, passive absorption
(b) Glycerol, fatty acids Duodenum, move as chylomicrons
(c) Cholesterol, maltose Large intestine, active absorption
(d) Glycine, glucose Small intestine, active absorption
Show Answer & Explanation

Answer: (d) Glycine, glucose Small intestine, active absorption

Explanation:
1. This option, Glycine, glucose Small intestine, active absorption, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 4: Where do certain symbiotic microorganisms normally occur in human body
(a) Duodenum
(b) Caecum
(c) Oral lining and tongue surface
(d) Vermiform appndix and rectum
Show Answer & Explanation

Answer: (b) Caecum

Explanation:
1. Caecum of large intestine is site which host the symbiotic micro-organism.

Question 5: Anxiety and eating spicy food together in an otherwise normal human, may lead to
(a) Vomiting
(b) Indigestion
(c) Jaundice
(d) Diarrhoea
Show Answer & Explanation

Answer: (b) Indigestion

Explanation:
1. During indigestion, the food is not properly digested leading to a feeling of fullness.
2. The cause of indigestion are inadequate enzyme secretion anxiety, food poisoning, spicy food and over eating.

Question 6: Carrier ions like Na+ facilitate the absorption of substances like
(a) Fructose and some amino acids
(b) Amino acids and glucose
(c) Glucose and fatty acids
(d) Fatty acids and glycerol
Show Answer & Explanation

Answer: (b) Amino acids and glucose

Explanation:
1. Amino acids and glucose both are absorbed by carrier mediated facilitated transport.

Question 7: If for some reason the parietal cells of the gut epithelium become partially non-functional, what is likely to happen?
(a) The pancreatic enzymes and specially the trypsin and lipase will not work efficiently
(b) The pH of stomach will fall abruptly
(c) Steapsin will be more effective
(d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones
Show Answer & Explanation

Answer: (d) Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones

Explanation:
1. This option, Proteins will not be adequately hydrolysed by pepsin into proteoses and peptones, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 8: When breast feeding is replaced by less nutritive food low in proteins and calories; the infants below the age of one year are likely to suffer from:
(a) Rickets
(b) Kwashiorkor
(c) Pellagra
(d) Marasmus
Show Answer & Explanation

Answer: (d) Marasmus

Explanation:
1. Marasmus occurs due to deficiency of protein and calories and it usually occurs in infant below one year of age.

Question 9: A young infant may be feeding entirely on mother's milk which is white in colour but the stools which the infant passes out is quite yellowish. What is this yellow colour due to?
(a) Bile pigments passed through bile juice
(b) Undigested milk protein casein
(c) Pancreatic juice poured into duodenum
(d) Intestinal juice
Show Answer & Explanation

Answer: (a) Bile pigments passed through bile juice

Explanation:
1. The yellow colour of faecal matter is due to stercobilin, which is obtained from the breakdown of bilirubin which is a bile pigment.

Question 10: Which one of the following pairs of food components in humans reaches the stomach totally undigested?
(a) Starch and fat
(b) Fat and cellulose
(c) Starch and cellulose
(d) Protein and starch
Show Answer & Explanation

Answer: (b) Fat and cellulose

Explanation:
1. The enzyme cellulase is not present and fats are digested in small intestine after emulsification with bile.

Question 11: What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
(a) Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
(b) Gastric juice will be deficient in chymosin
(c) Gastric juice will be deficient in pepsinogen
(d) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
Show Answer & Explanation

Answer: (d) In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.

Explanation:
1. In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
2. Parietal cells of gastric gland is responsible for the secretion of HCl and further HCl is responsible for the conversion of pepsinogen into pepsin.

Question 12: Which one of the following is the correct matching of the site of action on the given substrate, the enzyme acting upon it and the end product? Lipase
(a) Stomach : Fats ⎯⎯ ⎯ ⎯→ micelles Trypsin
(b) Duodenum : Triglycerides ⎯⎯ ⎯⎯→ monoglycerides α Amylase
(c) Small intestine : Starch ⎯⎯ ⎯ ⎯⎯→ Disaccharide (Maltose) Pepsin
(d) Small intestine : Proteins ⎯⎯ ⎯ ⎯→ Amino acids
Show Answer & Explanation

Answer: (c) Small intestine : Starch ⎯⎯ ⎯ ⎯⎯→ Disaccharide (Maltose) Pepsin

Explanation:
1. This option, Small intestine : Starch ⎯⎯ ⎯ ⎯⎯→ Disaccharide (Maltose) Pepsin, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 13: Which one of the following is a fat-soluble vitamin and its related deficiency disease?
(a) Calciferol– Pellagra
(b) Ascorbic acid – Scurvy
(c) Retinol – Xerophthalmia
(d) Cobalamine – Beri-beri
Show Answer & Explanation

Answer: (c) Retinol – Xerophthalmia

Explanation:
1. This option, Retinol – Xerophthalmia, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 14: Secretin and cholecystokinin are digestive hormones. They are secreted in :
(a) Oesophagus
(b) Ileum
(c) Duodenum
(d) Pyloric stomach
Show Answer & Explanation

Answer: (c) Duodenum

Explanation:
1. Secretin and CCK are secreted in duodenum.

Question 15: Which group of three of the following five statements (A-E) contain is all three correct statements regarding beri-beri?<br />A. A crippling disease prevalent among the native population of sub-Sahara Africa.<br />B. A deficiency disease caused by lack of thiamine (vitamin B1).<br />C. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein.<br />D. Occurs in those countries where the staple diet is polished rice.<br />E. The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.
(a) A, B and D
(b) B, C and E
(c) A, C and E
(d) B, D and E
Show Answer & Explanation

Answer: (d) B, D and E

Explanation:
1. This option, B, D and E, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 16: Protective components of food are
(a) Minerals, vitamins and water
(b) Minerals, carbohydrate and proteins
(c) Minerals, carbohydrate and fats
(d) Vitamins, water and carbohydrate
Show Answer & Explanation

Answer: (a) Minerals, vitamins and water

Explanation:
1. Minerals, vitamins and water are protective principles of food because although they do not provide us energy but their deficiency cause diseases and abnormalities.
2. Carbohydrate, protein and fats are proximate principles of food.

Question 17: Which of the following is true regarding the source and nature of the enamel?
(a) Odontoblast, mesodermal
(b) Odontoblast, ectodermal
(c) Ameloblast, mesodermal
(d) Ameloblast, ectodermal
Show Answer & Explanation

Answer: (d) Ameloblast, ectodermal

Explanation:
1. Enamel is ectodermal in origin.

Question 18: Choose the correct enzyme-substrate pair
(a) Lipase carbohydrate
(b) Maltase lactose
(c) Rennin casein
(d) Amylase protein
Show Answer & Explanation

Answer: (c) Rennin casein

Explanation:
1. This option, Rennin casein, is the correct choice, as it agrees with the standard NCERT account of this topic.

Question 19: The following are absent in case of upper one third part of oesophagus, except
(a) Visceral peritoneum (Serosa)
(b) Digestive gland
(c) Myenteric plexus
(d) Skeletal muscles
Show Answer & Explanation

Answer: (d) Skeletal muscles

Explanation:
1. This is so because upper 1/3rd part of oesophagus is voluntary and lower 2/3rd part of oesophagus is involuntary.
2. Skeletal muscle are also known as voluntary muscle so they are present in the voluntary part of oesophagus (i.e., 1/3rd part).

Question 20: Mark the correct statement
(a) In lower one third part of oesophagus both Myenteric and Meissner’s plexus are absent
(b) Carboxypeptidase is exopeptidase acting on ‘N’ terminal end of peptide chain
(c) Galactosemia is metabolic genetic disorder due to deficiency of the enzyme uridyl transferase
(d) Nucleotidase and nucleosidase enzymes are present in pancreatic juice
Show Answer & Explanation

Answer: (c) Galactosemia is metabolic genetic disorder due to deficiency of the enzyme uridyl transferase

Explanation:
1. Statement-1 is wrong, because in upper one-third part of oesophagus both myenteric and meissner's plexus are absent.
2. Statement-2 is wrong, because carboxypeptidase is an exopeptidase acting on 'C' terminal end of peptide chain.
3. Statement-4 is wrong, because nucleotidase and nucleosidase enzymes are present in intestinal juice.

Question 21: Sphincter of Oddi guards
(a) Hepato-pancreatic duct
(b) Common bile duct
(c) Pancreatic duct
(d) Cystic duct
Show Answer & Explanation

Answer: (a) Hepato-pancreatic duct

Explanation:
1. The common bile duct and the pancreatic duct open together into the duodenum as the common hepatopancreatic duct which is guarded by sphincter of Oddi.
2. Cystic duct → Duct of gall bladder (neck of gall bladder).

Question 22: What is common among amylase, rennin and trypsin?
(a) These are produced in stomach
(b) These act at a pH lower than 7
(c) These all are proteins
(d) These all are proteolytic enzymes
Show Answer & Explanation

Answer: (c) These all are proteins

Explanation:
1. Amylase, rennin and trypsin, they all are digestive enzymes and enzymes are usually protein in nature They all are not proteolytic enzymes because amylase acts on carbohydrate.

Free study material for Biology

Multiple Choice Questions (MCQs) for NEET Biology Digestion and Absorption

About Digestion and Absorption MCQs for NEET Biology

Explore reliable practice questions for Digestion and Absorption tailored for NEET Biology learners. Use these multiple-choice formats to evaluate preparedness and strengthen problem-solving skills.

How to Verify Your MCQ Answers

Built using the official NCERT book for NEET, these Biology objective sets provide reliable academic guidance. Pair your practice with our recommended NCERT solutions to master optimal problem-solving approaches.

Enhance Speed with Online MCQ Tests

Follow up your worksheet practice by attempting the interactive online Biology MCQ test for this chapter to evaluate your execution speed. All platform resources are free to access.

FAQs

Where can I access latest NEET Biology Digestion and Absorption MCQs Set 08?

You can get most exhaustive NEET Biology Digestion and Absorption MCQs Set 08 for free on StudiesToday.com. These MCQs for NEET Biology are updated for the 2026-27 academic session as per NEET examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Biology NEET material?

Yes, our NEET Biology Digestion and Absorption MCQs Set 08 include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the NEET paper is now competency-based.

How do practicing Biology MCQs help in scoring full marks in NEET exams?

By solving our NEET Biology Digestion and Absorption MCQs Set 08, NEET students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Biology.

Do you provide answers and explanations for NEET Biology Digestion and Absorption MCQs Set 08?

Yes, Biology MCQs for NEET have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused NEET exams.

Can I practice these Biology NEET MCQs online?

Yes, you can also access online interactive tests for NEET Biology Digestion and Absorption MCQs Set 08 on StudiesToday.com as they provide instant answers and score to help you track your progress in Biology.