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BIOLOGY M.C.Q (1 Marks)

Digestion and Absorption · MP Board (MPBSE) STD 11 Science (Madhya Pradesh - English Medium). 158 questions.

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M.C.Q (1 Marks)

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MCQ 11 Mark
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?
  • A
    Duodenum: Triglycerides, trypsin monoglycerides.
  • ✓
    Small intestine: Starch$, \alpha$ amylase disaccharide $($maltose$).$
  • C
    Small intestine: Proteins pepsin amino acids.
  • D
    Stomach: Fats, Lipase micelles.
Answer
Correct option: B.
Small intestine: Starch$, \alpha$ amylase disaccharide $($maltose$).$
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MCQ 21 Mark
Which one of the following pairs of the cells with their secretion is correctly matched?
  • A
    Alpha cells of Islets of Langerhans $-$ Secretion that decreases blood sugar level.
  • ✓
    Oxyntic cells $- A$ secretion with $pH$ between $2.0$ and $3.0.$
  • C
    Kupffer cells $- A$ digestive enzyme that hydrolysis nucleic acids.
  • D
    None of these.
Answer
Correct option: B.
Oxyntic cells $- A$ secretion with $pH$ between $2.0$ and $3.0.$
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MCQ 31 Mark
Mark the right statement among the following.
  • ✓
    Trypsinogen is an inactive enzyme.
  • B
    Trypsinogen is secreted by intestinal mucosa.
  • C
    Enterokinase is secreted by pancreas.
  • D
    Bile contains trypsin.
Answer
Correct option: A.
Trypsinogen is an inactive enzyme.
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MCQ 41 Mark
Liver is the largest gland and is associated with various functions. Choose which is not correct from the following.
  • A
    Metabolism of carbohydrate.
  • B
    Digestion of fat.
  • C
    Formation of bile.
  • ✓
    Secretion of hormone called gasotrin.
Answer
Correct option: D.
Secretion of hormone called gasotrin.
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MCQ 51 Mark
Small projections of upper surface of tongue are called.
  • A
    Fimbriae
  • B
    Pilli
  • ✓
    Papillae
  • D
    Cilia
Answer
Correct option: C.
Papillae
The upper surface of the tongue has small projections called papillae, some of them bears taste buds.
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MCQ 61 Mark
One of the factors required for the maturation of erythrocytes is:
  • A
    Vitamin$-D$
  • B
    Vitamin$-A$
  • ✓
    Vitamin$-B_{12}$
  • D
    Vitamin$-C$
Answer
Correct option: C.
Vitamin$-B_{12}$
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MCQ 71 Mark
The contraction of gall bladder is due to:
  • A
    Gastrin
  • B
    Secretin
  • ✓
    Cholecystokinin
  • D
    Enterogasterone
Answer
Correct option: C.
Cholecystokinin
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MCQ 81 Mark
The enzyme added to the starch solution for its break down may have been:
  • A
    Maltase
  • B
    Invertase
  • C
    Lipase
  • ✓
    Amylase
Answer
Correct option: D.
Amylase
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MCQ 91 Mark
Which enzyme is secreted by the liver?
  • A
    Trypsin.
  • B
    Chymotrypsin.
  • C
    Lipase.
  • ✓
    No enzyme.
Answer
Correct option: D.
No enzyme.
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MCQ 101 Mark
Emulsification of fat will not occur in the absence of:
  • A
    Lipase.
  • B
    Pigments.
  • ✓
    Bile salts.
  • D
    Pancreatic juice.
Answer
Correct option: C.
Bile salts.
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MCQ 111 Mark
The enzyme enterokinase helps in the conversionof:
  • A
    Pepsinogen into pepsin.
  • B
    Caseinogen into casein.
  • ✓
    Trypsinogen into trypsin.
  • D
    Proteins into polypeptides.
Answer
Correct option: C.
Trypsinogen into trypsin.
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MCQ 121 Mark
Cholecystokinin is secretion of:
  • A
    Globlet cells of ileum, stimulates secretion of succus entericus.
  • ✓
    Duodenum that causes contraction of gall bladder.
  • C
    Liver and controls secondary sex characters.
  • D
    Stomach that stimulates pancreas to release juice.
Answer
Correct option: B.
Duodenum that causes contraction of gall bladder.
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MCQ 131 Mark
Which of the following is mismatched?
  • ✓
    Vitamin$-K -$ Beri$-$beri.
  • B
    Vitamin$-D -$ Rickets.
  • C
    Vitamin$-C -$ Scurvy.
  • D
    Vitamin$-A -$ Xerophthalmia.
Answer
Correct option: A.
Vitamin$-K -$ Beri$-$beri.
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MCQ 141 Mark
Inner lining of gut, stomach and liver is composed of:
  • A
    Simple squamous epithelium
  • ✓
    Simple columnar epithelium
  • C
    Simple cuboidal epithelium
  • D
    Compound epithelium
Answer
Correct option: B.
Simple columnar epithelium
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MCQ 151 Mark
Which one of the following enzymes initiates protein digestion?
  • A
    Aminopeptidase
  • B
    Carboxypeptidase
  • C
    Trypsin
  • ✓
    Pepsin
Answer
Correct option: D.
Pepsin
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MCQ 161 Mark
The $pH$ scale is used to measure.
  • A
    Electric charge on ion.
  • B
    Speed with which ions form.
  • C
    Size of ions.
  • ✓
    Concentration of hydrogen ions in a solution.
Answer
Correct option: D.
Concentration of hydrogen ions in a solution.
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MCQ 171 Mark
Choose the correct answer among the following: Succus entericus is the name given to
  • A
    A junction between ileum and large intestine.
  • ✓
    Intestinal juice.
  • C
    Swelling in the gut.
  • D
    Appendix.
Answer
Correct option: B.
Intestinal juice.
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MCQ 181 Mark
Inhibition of gastric and stimulation of gastric,pancreatic and bile secretions are controlled by hormones.
  • A
    Gastrin, secretin, enterokinin and cholecystokinin.
  • ✓
    Enterogasterone, gastrin, pancreozymin and cholecystokinin.
  • C
    Gastrin, enterogasterone, cholecystokinin and pancreozymin.
  • D
    Secretin, enterogasterone, gastrin and enterokinin.
Answer
Correct option: B.
Enterogasterone, gastrin, pancreozymin and cholecystokinin.
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MCQ 191 Mark
In a person of advanced age, the hair become thinner gradually. It happens because of decrease in:
  • A
    Synthesis of glucose.
  • ✓
    Synthesis of proteins.
  • C
    Energy availability.
  • D
    Blood supply.
Answer
Correct option: B.
Synthesis of proteins.
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MCQ 221 Mark
A gland not associated with the alimentary canal is
  • A
    Pancreas.
  • ✓
    Adrenal.
  • C
    Liver.
  • D
    Salivary glands.
Answer
Correct option: B.
Adrenal.
Gland is situated above kidney which is not a part of digestive system.
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MCQ 231 Mark
Which of the following are water soluble vitamins?
  • ✓
    $\text{A, D, K}.$
  • B
    $\text{A, D, E, K}.$
  • C
    $\text{B, C}.$
  • D
    None of these.
Answer
Correct option: A.
$\text{A, D, K}.$
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MCQ 241 Mark
Which is the longest portion of the alimentary canal?
  • A
    Oesophagus.
  • B
    Stomach.
  • ✓
    Small Intestine.
  • D
    Large Intestine.
Answer
Correct option: C.
Small Intestine.
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MCQ 251 Mark
Cholecystokinin and duocrinin are secreted by:
  • A
    Adrenal cortex.
  • B
    Thyroid gland.
  • C
    Pancreas.
  • ✓
    Intestine.
Answer
Correct option: D.
Intestine.
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MCQ 261 Mark
Which of the following controls the peristaltic movement of the intestine?
  • A
    Sacral Plexus
  • B
    Brachial Plexus
  • C
    Discoidal Plexus
  • ✓
    Auerbach's Plexus
Answer
Correct option: D.
Auerbach's Plexus
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MCQ 271 Mark
Pancreas produces.
  • A
    Three digestive enzymes and one hormone.
  • ✓
    Three digestive enzymes and two hormones.
  • C
    Two digestive enzymes and one hormone.
  • D
    Three digestive enzymes and no hormone.
Answer
Correct option: B.
Three digestive enzymes and two hormones.
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MCQ 281 Mark
Crypts of Leiberkuhn secrete:
  • A
    Trypsin.
  • ✓
    Intestinal juice.
  • C
    Mucus.
  • D
    Hydrochloric acid.
Answer
Correct option: B.
Intestinal juice.
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MCQ 291 Mark
Which of the following pair is characterised by swollen lips, thick pigmented skin of hands and legs and irritability?
  • A
    Thiamine $-$ Beri$-$beri.
  • B
    Nicotinamide $-$ Pellagra.
  • ✓
    Protein $-$ Kwashiorkor.
  • D
    Iodine $-$ Goitre.
Answer
Correct option: C.
Protein $-$ Kwashiorkor.
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MCQ 301 Mark
Epithelial cells of the intestine involved in food absorption have on their surface.
  • A
    Phagocytic vesicles.
  • B
    Pinocytic vesicles.
  • ✓
    Microvilli.
  • D
    Zymogen granules.
Answer
Correct option: C.
Microvilli.
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MCQ 311 Mark
Removal of stomach causes:
  • ✓
    Dumping syndrome
  • B
    Turner's syndrome
  • C
    Emphysema
  • D
    None of the above
Answer
Correct option: A.
Dumping syndrome
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MCQ 321 Mark
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
  • A
    Gastric juice will be deficient in chymosin.
  • B
    Gastric juice will be deficient in pepsinogen.
  • ✓
    In the absence of $\text{HCL}$ secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
  • D
    Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin.
Answer
Correct option: C.
In the absence of $\text{HCL}$ secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
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MCQ 331 Mark
Jaundice is a disorder of:
  • ✓
    Digestive system.
  • B
    Excretory system.
  • C
    Skin and eyes.
  • D
    Circulatory system.
Answer
Correct option: A.
Digestive system.
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MCQ 341 Mark
A patient is generally advised to specially, consume more meat, lentils, milk and eggs in diet only when he suffers from:
  • A
    Scurvy
  • ✓
    Kwashiorkor
  • C
    Rickets
  • D
    Anaemia
Answer
Correct option: B.
Kwashiorkor
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MCQ 351 Mark
Rennin acts on:
  • A
    Milk changing casein into calcium paracaseinate at $7.2-8.2 \ pH.$
  • ✓
    Milk changing casein into calcium paracaseinate at $1-3 \ pH.$
  • C
    Protein in stomach.
  • D
    Fat in intestine.
Answer
Correct option: B.
Milk changing casein into calcium paracaseinate at $1-3 \ pH.$
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MCQ 371 Mark
Match the enzymes with their respective substrates and choose the right one among options given.
  Column $I$   Column $II$
$A.$ Lipase. $i.$ Carbohydrates.
$B.$ Nuclease. $ii.$ Fats.
$C.$ Carboxypeptidase. $iii.$ Nucleic acids.
$D.$ Glycoridases. $iv.$ Proteins, peptones and proteoses.
  • A
    $\text{A-(iii), B-(ii), C-(i), D-(iv)}$
  • B
    $\text{A-(iv), B-(iii), C-(iv), D-(i)}$
  • C
    $\text{A-(iii), B-(i), C-(i), D-(iv)}$
  • ✓
    $\text{A-(ii), B-(iii), C-(iv), D-(i)}$
Answer
Correct option: D.
$\text{A-(ii), B-(iii), C-(iv), D-(i)}$
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MCQ 381 Mark
Which part of brain causes nausea?
  • A
    Pons
  • B
    Hypothalamus
  • C
    Parietal lobe
  • ✓
    Medulla
Answer
Correct option: D.
Medulla
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MCQ 391 Mark
The layer of cells that secrete enamel of tooth is:
  • A
    Dentoblast
  • ✓
    Odontoblast
  • C
    Cmiloblast
  • D
    Osteoblast
Answer
Correct option: B.
Odontoblast
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MCQ 401 Mark
Continuous bleeding from an injured part of body is due to deficiency of:
  • A
    Vitamin$-A$
  • B
    Vitamin$-B$
  • ✓
    Vitamin$-K$
  • D
    Vitamin$-E$
Answer
Correct option: C.
Vitamin$-K$
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MCQ 411 Mark
The vitamin$-C$ or ascorbic acid prevents.
  • A
    Rickets.
  • B
    Pellagra.
  • ✓
    Scurvy.
  • D
    Antibody synthesis.
Answer
Correct option: C.
Scurvy.
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MCQ 421 Mark
The mucosal layer in the stomach form irregular folds known as:
  • A
    Villi
  • B
    Lumen
  • ✓
    Rugae
  • D
    Crypts of Lieberkuhn
Answer
Correct option: C.
Rugae
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MCQ 431 Mark
The sphincter of Oddi is present between:
  • A
    Hepatic duct and cystic duct
  • ✓
    Hepatopancreatic duct and duodenum.
  • C
    Pyloric stomach and duodenum.
  • D
    Oesophagus and cardiac stomach.
Answer
Correct option: B.
Hepatopancreatic duct and duodenum.
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MCQ 441 Mark
In mammals, the digestion of starch starts from:
  • ✓
    Mouth
  • B
    Stomach
  • C
    Oesophagus
  • D
    Duodenum
Answer
Correct option: A.
Mouth
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MCQ 451 Mark
The $\text{HCl}$ in gastric juice converts:
  • A
    Disaccharide to monosaccharide.
  • ✓
    Pepsinogen to pepsin.
  • C
    Prorennin to rennin.
  • D
    Polypeptide to peptide.
Answer
Correct option: B.
Pepsinogen to pepsin.
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MCQ 461 Mark
Which one of the following is a matching pair of a substrate and its particular digestive enzyme?
  • ✓
    Maltose $-$ Maltase.
  • B
    Lactose $-$ Rennin.
  • C
    Starch $-$ Steapsin.
  • D
    Casein $-$ Chymotrypsin.
Answer
Correct option: A.
Maltose $-$ Maltase.
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MCQ 471 Mark
Which of following teeth are lophodont?
  • A
    Incisor and canine.
  • ✓
    Premolar and molar.
  • C
    Premolar and molar.
  • D
    Premolar and incisor.
Answer
Correct option: B.
Premolar and molar.
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MCQ 481 Mark
Which one of the following is a matching pair of a vitamin and the deficiency disease related with it?
  • A
    Thiamine $-$ xerophthalmia.
  • B
    Riboflavin $-$ beri beri.
  • ✓
    Niacin $-$ pellagra.
  • D
    Calciferol $-$ scurvy.
Answer
Correct option: C.
Niacin $-$ pellagra.
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MCQ 491 Mark
Emulsification of fat takes place through.
  • A
    Liver enzymes.
  • B
    Bile pigments.
  • ✓
    Bile salts.
  • D
    Enzymes of small intestine.
Answer
Correct option: C.
Bile salts.
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MCQ 501 Mark
Which one of the following amino acids is an essential part of human diet?
  • A
    Glycine.
  • ✓
    Phenylalanine.
  • C
    Serine.
  • D
    Aspartic acid.
Answer
Correct option: B.
Phenylalanine.
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M.C.Q (1 Marks) - BIOLOGY STD 11 Science Questions - Vidyadip