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MCQOPTIONS
This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.
| 9051. |
In the wall of alimentary canal, what is the actualsequence from outer to inner? [Haryana PMT] |
| A. | Serosa, longitudinal muscle, mucosa, submucosa |
| B. | Mucosa, serosa, longitudinal muscle |
| C. | Serosa, longitudinal muscle, circular muscle, |
| D. | submucosa, mucosa |
| E. | Serosa, longitudinal muscle, submucosa, mucosa |
| Answer» D. submucosa, mucosa | |
| 9052. |
Pepsin is inactivated at pH [Haryana PMT] |
| A. | below 3 |
| B. | below 2 |
| C. | above 5 |
| D. | above 3 |
| Answer» D. above 3 | |
| 9053. |
Secretion of gastric juice is controlled by [BPMT] |
| A. | gastrin |
| B. | cholecystokinin |
| C. | nterogastrin |
| D. | None of these |
| Answer» B. cholecystokinin | |
| 9054. |
Bile helps in the digestion of fat through [Haryana PMT] |
| A. | emulsification |
| B. | alkalinity |
| C. | forming micelles |
| D. | All of these |
| Answer» E. | |
| 9055. |
Wisdom teeth in human is [KPMT] |
| A. | 3rd molar and 4 in number |
| B. | 3rd molar and 2 in number |
| C. | 2 "d molar and 4 in number |
| D. | 2 nd molar and 2 in number |
| Answer» B. 3rd molar and 2 in number | |
| 9056. |
Salivary amylase is also known as [Manipal] |
| A. | ptyalin |
| B. | gastrin |
| C. | glyoxylase |
| D. | pepsin |
| Answer» B. gastrin | |
| 9057. |
Proportion of which of the following should beincreased in diet to improve strength and growth of bones? [Guj CET] |
| A. | Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and vitamin-K |
| B. | Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and iodine |
| C. | Vitamin-D, \[\text{C}{{\text{a}}^{\text{2+}}}\] and vitamin-A |
| D. | Vitamin-A, \[\text{C}{{\text{a}}^{\text{2+}}}\] and \[\text{Z}{{\text{n}}^{\text{2+}}}\] |
| Answer» D. Vitamin-A, \[\text{C}{{\text{a}}^{\text{2+}}}\] and \[\text{Z}{{\text{n}}^{\text{2+}}}\] | |
| 9058. |
Read the statements A and B. [KCET] A. In human, small intestine is the longest portion of the alimentary canal. B. Absorption of digested food requires a very largesurface area. Identify the correct choice on the two statements. |
| A. | Statement A is correct, B is wrong |
| B. | Statement A and B are both correct |
| C. | Both the statements are wrong |
| D. | Statement B is correct, A is wrong |
| Answer» C. Both the statements are wrong | |
| 9059. |
Fats are emulsified by the bile juice because it contains [Manipal] |
| A. | enzyme |
| B. | esterase |
| C. | bile salt |
| D. | bile pigment |
| Answer» D. bile pigment | |
| 9060. |
The deficiency of this vitamin is known to causeabortion in early pregnancy of rat? [EAMCET] |
| A. | Retinol |
| B. | Calciferol |
| C. | Tocopherol |
| D. | Naphthoquinone |
| Answer» D. Naphthoquinone | |
| 9061. |
Which of the following is called as a detritivore? [KCET] |
| A. | An animal feeding on decaying organic matter |
| B. | An animal feeding on a plant |
| C. | A plant feeding o an animal |
| D. | An animal feeding on another animal |
| Answer» B. An animal feeding on a plant | |
| 9062. |
How many human teeth appear twice during the life span of an individual? [KCET] |
| A. | 16 |
| B. | 32 |
| C. | 22 |
| D. | 20 |
| Answer» E. | |
| 9063. |
Enzyme present in saliva is [DUMET] |
| A. | maltase |
| B. | ptyalin |
| C. | suerase |
| D. | invertase |
| Answer» C. suerase | |
| 9064. |
Which of the following vitamins is water soluble as well as an antioxidant? [BHU] |
| A. | Vitamin-\[{{\text{B}}_{\text{1}}}\] |
| B. | Vitamin-A |
| C. | Vitamin-D |
| D. | Vitamin-C |
| Answer» E. | |
| 9065. |
Acetylcholmesterase enzyme splits acetylcholine into [Punjab PMET] |
| A. | acetone and choline |
| B. | acetic acid and choline |
| C. | aspartie acid and acetylcholine |
| D. | amino acid and choline |
| Answer» C. aspartie acid and acetylcholine | |
| 9066. |
Wilson's disease is associated with the abnormalmetabolism of [Punjab PMET] |
| A. | iron |
| B. | potassium |
| C. | iodine |
| D. | copper |
| Answer» E. | |
| 9067. |
Which of the following fatty acids is not synthesized in the human body? [BHU] |
| A. | Glycerol |
| B. | Cholesterol |
| C. | Linoleic acid |
| D. | Both [a] and [b] |
| Answer» D. Both [a] and [b] | |
| 9068. |
Chymotrypsin is produced by [AMU] |
| A. | liyer |
| B. | pancreas |
| C. | stomach |
| D. | duodenum |
| Answer» C. stomach | |
| 9069. |
Argentaffin may arise in [AMU] |
| A. | pancreas |
| B. | bile duct |
| C. | gastro-intestinal tract |
| D. | None of these |
| Answer» D. None of these | |
| 9070. |
Maximum absorption of water occurs in [UP CPMT] |
| A. | colon |
| B. | rectum |
| C. | large intestine |
| D. | small intestine |
| Answer» B. rectum | |
| 9071. |
'Digestion' word means [UP CPMT] |
| A. | burning of food |
| B. | oxidation of food |
| C. | hydrolysis of food |
| D. | breakdown of food |
| Answer» D. breakdown of food | |
| 9072. |
Chloragen cells help in [UP CPMT] |
| A. | respiration |
| B. | reproduction |
| C. | circulation |
| D. | nutrition |
| Answer» E. | |
| 9073. |
Which one of the following four secretions is correctly matched with its source, target and nature of action? [AIIMS] |
| A. | Secretion Source Target Action Gastrin Stomach lining Oxyntic cells Production of \[\text{HCl}\] |
| B. | Inhibin Sertoli cells Hypothalamus Inhibition of secretion of gonadotrop -in releasing hormone |
| C. | Enterokinase Duodenum Gall bladder Release of bile juice |
| D. | Atrial Natriuretic Factor Sinu Atrial Node M-cells of atria Juxtaglomeru-lar apparatus Inhibition of release of renin |
| Answer» E. | |
| 9074. |
Cud chewing animals are known as [AFMC] |
| A. | frugivorous |
| B. | sanguivorous |
| C. | ruminants |
| D. | cannibals |
| Answer» D. cannibals | |
| 9075. |
Wisdom teeth are [AFMC] |
| A. | last molars |
| B. | last premolars |
| C. | incisors |
| D. | canines |
| Answer» B. last premolars | |
| 9076. |
Secreting hormone is secreted from [J&K CET] |
| A. | stomach and stimulates gastric gland |
| B. | duodenum and stimulates liver |
| C. | thyroid and stimulates thyroid gland |
| D. | duodenum and stimulates pancreas 2005 |
| Answer» E. | |
| 9077. |
Kupffer's cells are [WBJEE] |
| A. | phagocytic |
| B. | non-phagocytic |
| C. | myosin |
| D. | fibrin |
| Answer» B. non-phagocytic | |
| 9078. |
What is cholecystokinin? [JCECE] |
| A. | Enzyme |
| B. | Bile-pigment |
| C. | Gastro-intestinal hormone |
| D. | Lipid |
| Answer» D. Lipid | |
| 9079. |
Camassial teeth are modified for [BCECE] |
| A. | crushing |
| B. | tearing |
| C. | grinding |
| D. | cutting |
| Answer» E. | |
| 9080. |
Chief cells of gastric glands are [Haryana PMT] |
| A. | simple tubular |
| B. | coiled tubular |
| C. | branched tubular |
| D. | compound tubular |
| Answer» C. branched tubular | |
| 9081. |
Prolonged deficiency of thiamine in human diet maylead to [Haryana PMT] |
| A. | pellagra |
| B. | beri-beri |
| C. | anaemia |
| D. | haemorrhage |
| Answer» C. anaemia | |
| 9082. |
Which of the following is correct chronological order for enzyme activity of some enzymes taking part in protein digestion? [Guj CET] |
| A. | Pepsin \[\to \] Trypsin \[\to \] Peptidase |
| B. | Pepsin \[\to \] Peptidase \[\to \]Trypsin |
| C. | Trypsin \[\to \] Pepsin \[\to \] Peptidase |
| D. | Peptidase \[\to \] Trypsin \[\to \]Pepsin |
| Answer» E. | |
| 9083. |
Which of the following can be absorbed by hepaticcaeca? [Guj CET] |
| A. | Glucose and amino acid |
| B. | Glucose and lipid |
| C. | Lipid |
| D. | Glucose |
| Answer» B. Glucose and lipid | |
| 9084. |
Pulp cavity of teeth is lined by [RPMT] |
| A. | odontoblast |
| B. | chondroblast |
| C. | osteoblast |
| D. | amyloblast |
| Answer» B. chondroblast | |
| 9085. |
Hardest part in animal body is [RPMT] |
| A. | bone |
| B. | hair |
| C. | dentine |
| D. | enamel |
| Answer» E. | |
| 9086. |
In horses, rabbits, hares, the cellulose gets digested in the [RPMT] |
| A. | caecum |
| B. | stomach |
| C. | appendix |
| D. | rumen |
| Answer» B. stomach | |
| 9087. |
Which of the following is not a source of vitamin-A? [RPMT] |
| A. | Carrot |
| B. | Mango |
| C. | Apple |
| D. | Yeast |
| Answer» E. | |
| 9088. |
The lactase hydrolyses lactose into [WBJEE] |
| A. | glucose |
| B. | glucose and galactose |
| C. | fructose |
| D. | glucose and fructose |
| Answer» C. fructose | |
| 9089. |
Starch is converted to maltose by the action of [MHT CET] |
| A. | inverts |
| B. | amylase |
| C. | sucrose |
| D. | maltase |
| Answer» C. sucrose | |
| 9090. |
The epithelial cells lining the stomach of vertebrates is protected from damage by \[\text{HCl}\] because [Manipal] |
| A. | hydrochloric acid is too dilute |
| B. | the epithelial cells are resistant to the action of \[\text{HCl}\] |
| C. | \[\text{HCl}\]is neutralized by alkaline gastric juice |
| D. | the epithelial cells are covered with a mucoussecretion |
| Answer» E. | |
| 9091. |
Match the following columns and choose the correctoption. Column I Column II A. Naphthoquinone B. Niacin C. Ascorbic acid D. Calciferol E. Thiamine 1. Amino acid metabolism 2. Osteomalacia 3. Matix of cartilage 4. NAD 5. Prothrombin [EAM CET] |
| A. | A-5 B-3 C-1 D-4 E-1 |
| B. | A-4 B-5 C-3 D-2 E-1 |
| C. | A-5 B-4 C-3 D-2 E-1 |
| D. | A-3 B-5 C-4 D-2 E-1 |
| Answer» D. A-3 B-5 C-4 D-2 E-1 | |
| 9092. |
The juice containing sodium glycocholate is released under the influence of [EAMCET] |
| A. | secretin |
| B. | cholecystokinin |
| C. | enterogasterone |
| D. | enterocrinin |
| Answer» C. enterogasterone | |
| 9093. |
The digestive enzyme that is not found in humanpancreatic juice is [Kerala CEE] |
| A. | nucleotidase |
| B. | (b)nuclease |
| C. | trypsin |
| D. | lipase |
| E. | amylase |
| Answer» B. (b)nuclease | |
| 9094. |
In the homeostatic control of blood sugar level, which organs function respectively as modulator and effectors? [KCET] |
| A. | Liver and islets of Langerhans |
| B. | Hypothalamus and liver |
| C. | Hypothalamus and islets of Langerhans |
| D. | Islets of Langerhans and hypothalamus |
| Answer» B. Hypothalamus and liver | |
| 9095. |
The main function of lacteals in the human smallintestine is the absorption of [KCET] |
| A. | glucose and vitamins |
| B. | amino acids and glucose |
| C. | water and vitamins |
| D. | fatty acids and glycerol |
| Answer» E. | |
| 9096. |
Ptyalin is inactivated by a component of gastric juice known as [WB JEE] |
| A. | pepsin |
| B. | mucus |
| C. | renin |
| D. | \[\text{HCl}\] |
| Answer» E. | |
| 9097. |
Vitamin-\[{{\text{B}}_{\text{12}}}\] is available to ruminants by [DUMET] |
| A. | plants |
| B. | microorganisms in caecum |
| C. | animals |
| D. | All of the above |
| Answer» C. animals | |
| 9098. |
Which of the following are required in minimum amount by human? [DUMET] |
| A. | Iron, iodine, carbon, manganese, copper, oxygen |
| B. | Iron, iodine, manganese, copper, zinc, fluorine |
| C. | Iron, iodine, manganese, zinc, hydrogen |
| D. | Nitrogen, oxygen, zinc, fluorine |
| Answer» D. Nitrogen, oxygen, zinc, fluorine | |
| 9099. |
Which is not used up in human body? [Punjab PMET] |
| A. | Calcium |
| B. | Phosphorus |
| C. | Zinc |
| D. | Barium |
| Answer» E. | |
| 9100. |
Pancreatic secretion and gall bladder contraction acstimulated by [DUMET] |
| A. | gastrin |
| B. | enterocrinin |
| C. | enterogasterone |
| D. | cholecystokinin |
| Answer» E. | |