MCQOPTIONS
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MCQOPTIONS
This section includes 40 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If food intake is greater than energy used the surplus is deposited as: |
| A. | fat |
| B. | protein |
| C. | glycogen |
| D. | fat and glycogen |
| Answer» E. | |
| 2. |
A starving man first consumes: |
| A. | fat |
| B. | protein |
| C. | vitamin |
| Answer» C. vitamin | |
| 3. |
Most important property of water for which it is needed in the body: |
| A. | It is a liquid |
| B. | It cools the body |
| C. | It is a universal solvent |
| D. | It is tasteless and colourless |
| Answer» E. | |
| 4. |
Among mammals, a significant role in the digestion of milk is played by[AFMC] |
| A. | rennin |
| B. | invertase |
| C. | amylase |
| D. | intestinal bacteria |
| Answer» B. invertase | |
| 5. |
Bile secretion is proportional to the concentration of [Haryana PMT] |
| A. | protein |
| B. | fat |
| C. | carbohydrate |
| D. | None of these |
| Answer» C. carbohydrate | |
| 6. |
Which of the following enzymes digests protein in stomach? [AMU] |
| A. | Trypsin |
| B. | Pepsin |
| C. | Erepsin |
| D. | None of these |
| Answer» C. Erepsin | |
| 7. |
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor? [CBSE AIPMT] |
| A. | Gastric juice will be deficient in chymosin |
| B. | Gastric juice will be deficient in pepsinogen |
| C. | In the absence of\[\text{HCl}\] secretion, inactive pepsinogenis not converted into the active enzyme pepsin |
| D. | Enterokinase will not be released from me duodenalmucosa and so trypsinogen is not converted to trypsin |
| Answer» D. Enterokinase will not be released from me duodenalmucosa and so trypsinogen is not converted to trypsin | |
| 8. |
The malnutrition disease in man is[J&K CET] |
| A. | Cri-du-chat syndrome |
| B. | Klinefelter's syndrome |
| C. | Potbelly syndrome |
| D. | Edward's syndrome |
| Answer» D. Edward's syndrome | |
| 9. |
Compare the statement 'A' with 'B' and select A; correct description. Statement A Blood sugar level falls rapidly after keratectomy. Statement B The glycogen of the liver is the principal source of blood sugar. [Manipal] |
| A. | Both the statement A and B are correct and B is the reason for A |
| B. | Statement A is correct and B is wrong |
| C. | Statement A is wrong and B is correct |
| D. | Both the statement A and B are correct and B is not the reason for A |
| Answer» B. Statement A is correct and B is wrong | |
| 10. |
Emulsification of fat will not occur in absence of [UPCPMT] |
| A. | lipase |
| B. | bile pigments |
| C. | bile salts |
| D. | pancreatic juice |
| Answer» D. pancreatic juice | |
| 11. |
A young infant may be feeding entirely on mother's milk, which is white in colour but the stools, which theinfant passes out is quite yellowish. This yellow colouris due to [CBSE AIPMT] |
| A. | intestinal juice |
| B. | bile pigments passed through bile juice |
| C. | undigested milk protein casein |
| D. | pancreatic juice poured into duodenum |
| Answer» C. undigested milk protein casein | |
| 12. |
Pylorus is present between[OJEE] |
| A. | small and large intestine |
| B. | pancreas and small intestine |
| C. | oesophagus and stomach |
| D. | stomach and duodenum |
| Answer» E. | |
| 13. |
The gastric juice contains [Kerala CEE] |
| A. | trypsin, pepsin, lipase |
| B. | pepsin, lipase, rennin |
| C. | pepsin, amylase, trypsin |
| D. | trypsin, pepsin, rennin |
| E. | pepsin, rennin, carboxypeptidase |
| Answer» C. pepsin, amylase, trypsin | |
| 14. |
Deficiency of tocopherol in the human body causeswhich condition? [Kerala CEE] |
| A. | Beri-beri |
| B. | Pellagra |
| C. | Infertility |
| D. | Scurvy |
| E. | Pernicious anaemia |
| Answer» D. Scurvy | |
| 15. |
The true stomach in ruminants, where most of digestion takes place is [AMU] |
| A. | rumen |
| B. | omasum |
| C. | reticulum |
| D. | abomasum |
| Answer» E. | |
| 16. |
Poison glands of snake are modified [MHT CET] |
| A. | sebaceous glands |
| B. | ceruminous glands |
| C. | salivary glands |
| D. | endocrine glands |
| Answer» D. endocrine glands | |
| 17. |
Aggregates of lymphoid tissue present in the distalportion of the small intestine are known as [DUMET] |
| A. | villi |
| B. | Peyer's patches |
| C. | nigae |
| D. | chorbid plexus |
| Answer» C. nigae | |
| 18. |
Which of the following part in cow's stomach is specialized for microbial digestion of plant material? [AMU] |
| A. | Rumen |
| B. | Reticulum |
| C. | Abomasum |
| D. | Both [a] and [b] |
| Answer» E. | |
| 19. |
Bile helps in the digestion of fat through [Haryana PMT] |
| A. | emulsification |
| B. | alkalinity |
| C. | forming micelles |
| D. | All of these |
| Answer» E. | |
| 20. |
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 | |
| 21. |
Chymotrypsin is produced by [AMU] |
| A. | liyer |
| B. | pancreas |
| C. | stomach |
| D. | duodenum |
| Answer» C. stomach | |
| 22. |
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. | |
| 23. |
In horses, rabbits, hares, the cellulose gets digested in the [RPMT] |
| A. | caecum |
| B. | stomach |
| C. | appendix |
| D. | rumen |
| Answer» B. stomach | |
| 24. |
Starch is converted to maltose by the action of [MHT CET] |
| A. | inverts |
| B. | amylase |
| C. | sucrose |
| D. | maltase |
| Answer» C. sucrose | |
| 25. |
Which one is correctly matched? [Kerala CEE] |
| A. | Vitamin-E - Thiamine |
| B. | Vitamin-D - Riboflavin |
| C. | Vitamin-\[{{\text{B}}_{\text{1}}}\]- Tocopherol |
| D. | (d)Vitamin-A -Calciferol |
| E. | Vitamin-\[{{\text{B}}_{12}}\] - Cyanocobalamin |
| Answer» F. | |
| 26. |
In which of the following organ, putrefying bacteria are present? [BHU] |
| A. | Intestine |
| B. | Colon |
| C. | Stomach |
| D. | Liver |
| Answer» B. Colon | |
| 27. |
The contraction of gall bladder is due to [BCECE] |
| A. | gastrin |
| B. | cholecystokinin |
| C. | secretin |
| D. | kinase |
| Answer» C. secretin | |
| 28. |
What type of teeths are absent in rabbit? [UP CPMT] |
| A. | Molars |
| B. | Premolars |
| C. | Canines |
| D. | Incisors |
| Answer» D. Incisors | |
| 29. |
If pancreas is removed, the compound, which remainsundigested is [MHT CET] |
| A. | carbohydrates |
| B. | fats |
| C. | proteins |
| D. | All of these |
| Answer» E. | |
| 30. |
Pepsinogen is secreted by [DUMET] |
| A. | chief cells |
| B. | oxyntic cells |
| C. | mast cells |
| D. | parietal cells |
| Answer» B. oxyntic cells | |
| 31. |
Enterokinase converts [AMU] |
| A. | trypsinogen to trypsin |
| B. | pepsinogen to pepsin |
| C. | chymotrypsin to pepsinogen |
| D. | pepsub to chymotrypsin |
| Answer» B. pepsinogen to pepsin | |
| 32. |
Total number of teeth in rabbit is: |
| A. | 24 |
| B. | 28 |
| C. | 32 |
| D. | 43 |
| Answer» C. 32 | |
| 33. |
The element that hardens the tooth enamel: |
| A. | Iodine |
| B. | Sodium |
| C. | Fluorine |
| D. | Calcium |
| Answer» D. Calcium | |
| 34. |
Which of the following possess minimum number of teeth? |
| A. | Cat |
| B. | Dog |
| C. | Man |
| D. | Elephant |
| Answer» E. | |
| 35. |
Wisdom tooth in human is: (RPMT 2005; VMMC-Safdarjung 2007) |
| 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 |
| Answer» B. 3rd molar and 2 in number | |
| 36. |
Heterodont condition is found in: |
| A. | cat |
| B. | bat |
| C. | dog |
| D. | all of these |
| Answer» E. | |
| 37. |
The pulp cavity is lined by: (RPMT 2005, 06; VMMC-Safdarjung 2007) |
| A. | osteoblasts |
| B. | ameloblasts |
| C. | odontoblasts |
| D. | chondroblasts |
| Answer» D. chondroblasts | |
| 38. |
Hardest part of our body is: |
| A. | skull |
| B. | brain |
| C. | teeth |
| D. | cartilage |
| Answer» D. cartilage | |
| 39. |
The major part of our food constitutes: |
| A. | glucose |
| B. | sucrose |
| C. | cellulose |
| D. | carbohydrates |
| Answer» E. | |
| 40. |
Which one of these carbohydrates is a monosaccharide? |
| A. | Starch |
| B. | Glucose |
| C. | Sucrose |
| D. | Cellulose |
| Answer» C. Sucrose | |