MCQOPTIONS
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MCQOPTIONS
This section includes 49 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following hormone plays a major role in water reabsorption? |
| A. | Somatostatin |
| B. | Relaxasin |
| C. | Oxytocin |
| D. | Vasopressin |
| Answer» E. | |
| 2. |
What is the daily volume of glomerular filtrate in adult male and female? |
| A. | 50 liter in male and 90 liters in females |
| B. | 120 liter in male and 130 liters in females |
| C. | 180 liter in male and 150 liters in females |
| D. | 180 liter in male and 180 liters in females |
| Answer» D. 180 liter in male and 180 liters in females | |
| 3. |
Out of the following, which is the first step in urine production? |
| A. | Glomerular filtration |
| B. | Tubular secretion |
| C. | Tubular reabsorption |
| D. | Urinary bladder store urine |
| Answer» B. Tubular secretion | |
| 4. |
Both kidneys are in the same position in the body. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Which of the following kidney function is NOT true? |
| A. | Regulate blood volume and composition |
| B. | Synthesize glucose |
| C. | Regulate blood pressure |
| D. | Defend the body against disease |
| Answer» E. | |
| 6. |
The undigested food stored in the liver in the form of carbohydrate is called: |
| A. | Pulp |
| B. | Glucose |
| C. | Glycogen |
| D. | Carbohydrate |
| Answer» D. Carbohydrate | |
| 7. |
In which part of our body food gets absorbed? |
| A. | Small Intestine |
| B. | Large Intestine |
| C. | Stomach |
| D. | Liver |
| Answer» B. Large Intestine | |
| 8. |
Name the hardest material present in the body? |
| A. | Dentin |
| B. | Pulp |
| C. | Enamel |
| D. | None of the above |
| Answer» D. None of the above | |
| 9. |
What is the function of Bile Juice secreted by Liver? |
| A. | It makes the food alkaline. |
| B. | It makes the food acidic |
| C. | It breaks down the food. |
| D. | None of the above |
| Answer» B. It makes the food acidic | |
| 10. |
Complete digestion of food occurs in: |
| A. | Stomach |
| B. | Small Intestine |
| C. | Pancreas |
| D. | Large Intestine |
| Answer» C. Pancreas | |
| 11. |
Name the largest part of the Alimentary canal? |
| A. | Large Intestine |
| B. | Small Intestine |
| C. | Liver |
| D. | Stomach |
| Answer» C. Liver | |
| 12. |
What is the Function of Hydrochloric Acid? (i) It makes pepsin enzyme effective. (ii) It kills bacteria which may enter in stomach with food. Which of the following statements is/are correct? |
| A. | Only (i) |
| B. | Only (ii) |
| C. | Both (i) and (ii) |
| D. | Neither (i) nor (ii) |
| Answer» D. Neither (i) nor (ii) | |
| 13. |
In which part of the body digestion of protein begins? |
| A. | Pancreas |
| B. | Stomach |
| C. | Small Intestine |
| D. | Large Intestine |
| Answer» C. Small Intestine | |
| 14. |
Arrange the correct sequence of the steps involved in the process of Human Digestive System? |
| A. | Digestion, Ingestion, Assimilation, Egestion and Absorption |
| B. | Ingestion, Digestion, Absorption, Assimilation and Egestion |
| C. | Egestion, Absorption, Digestion, Assimilation and Ingestion |
| D. | Assimilation, Absorption, Ingestion, Digestion and Egestion |
| Answer» C. Egestion, Absorption, Digestion, Assimilation and Ingestion | |
| 15. |
Name the Glands associated with the Human Digestive System? |
| A. | Salivary Glands and Pancreas |
| B. | Salivary Glands and Liver |
| C. | Liver and Pancreas |
| D. | Salivary Glands, Liver & Pancreas |
| Answer» E. | |
| 16. |
Which of the following process that does not involve evolution of CO2? |
| A. | Combustion |
| B. | Respiration |
| C. | Fermentation |
| D. | Photosynthesis |
| Answer» E. | |
| 17. |
Which of the following is one of the functions of antigen? |
| A. | Lowers body temperature |
| B. | Destroys harmful bacteria |
| C. | Triggers the immune system |
| D. | Used as an antidote to poison |
| Answer» D. Used as an antidote to poison | |
| 18. |
In which organ of the human body are the lymphocyte cells formed? |
| A. | Liver |
| B. | Long bone |
| C. | Pancreas |
| D. | Spleen |
| Answer» C. Pancreas | |
| 19. |
Which of the following gland controls the blood pressure? |
| A. | Thalamus gland |
| B. | Adrenal gland |
| C. | Thyroid gland |
| D. | Pancreas gland |
| Answer» C. Thyroid gland | |
| 20. |
What is the weight of human heart? |
| A. | 100 gms |
| B. | 300 gms |
| C. | 800 gms |
| D. | 1000 gms |
| Answer» C. 800 gms | |
| 21. |
Which of the following components increases the effectiveness of the Photosynthesis process? |
| A. | Ultraviolet |
| B. | Red |
| C. | Blue |
| D. | Infrared |
| Answer» C. Blue | |
| 22. |
What is the reason behind the small shrunken scrotal of an adult bulls straying on Delhi roads? |
| A. | Congenital defect |
| B. | Negative feedback due to extremely high levels of testosterone |
| C. | Castration |
| D. | Which of the following components increases the effectiveness of the Photosynthesis process? |
| Answer» D. Which of the following components increases the effectiveness of the Photosynthesis process? | |
| 23. |
Why was DDT banned which an organ chlorine compound, used first to control malaria, carried in mosquitoes and later to a variety to insect pests? |
| A. | It brings about a change in sex chromosomes |
| B. | It persists in the environment and bio-accumulates |
| C. | It increases its affinity hundred-fold for haemoglobin preventing its coupling with oxygen |
| D. | All of these |
| Answer» C. It increases its affinity hundred-fold for haemoglobin preventing its coupling with oxygen | |
| 24. |
Bombyx mori, that produces fine filaments of silk inside the cocoon, is a: |
| A. | Butterfly |
| B. | Dipteran (silkworm) |
| C. | Moth |
| D. | Mulberry plant hemipteran |
| Answer» D. Mulberry plant hemipteran | |
| 25. |
How many HIV positive infections that are occurring everyday in the world? |
| A. | 6000 |
| B. | 60000 |
| C. | 600000 |
| D. | 1000000 |
| Answer» B. 60000 | |
| 26. |
Which of the following deficiency causes the dietary deficiency of Xerophthalmia? |
| A. | Protein |
| B. | Vitamin A |
| C. | Riboflavin |
| D. | Unsaturated fatty acids, linoleic and linolenic acids |
| Answer» C. Riboflavin | |
| 27. |
Where is the Central Drug Research Institute of India is located? |
| A. | Delhi |
| B. | Bangalore |
| C. | Madras |
| D. | Lucknow |
| Answer» E. | |
| 28. |
Which of the following crop is affected by the "early blight" disease? |
| A. | Potato |
| B. | Rice |
| C. | Sugarcane |
| D. | Wheat |
| Answer» B. Rice | |
| 29. |
From which of the following part of a plant opium is obtained? |
| A. | Dried leaves |
| B. | Dried latex |
| C. | Roots |
| D. | Stem bark |
| Answer» C. Roots | |
| 30. |
Match the correct answer from the codes given below in the lists: List-I (Animal) List-II (Life span in years) a. Cattle 1. 10 to 25 b. Goats 2. 20 to 25 c. Sheep 3. 40 d. Camels 4. 45 to 50 Codes: A B C D |
| A. | 5 3 2 1 |
| B. | 5 4 1 3 |
| C. | 2 4 1 3 |
| D. | 2 3 4 1 |
| Answer» D. 2 3 4 1 | |
| 31. |
What is the gestation period of camel? |
| A. | 280 to 300 days |
| B. | 320 to 350 days |
| C. | 365 to 400 days |
| D. | 425 to 440 days |
| Answer» C. 365 to 400 days | |
| 32. |
What is the total number of permanent incisors in both the upper and lower jaws of the cattle and buffaloes? |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 16 |
| Answer» C. 12 | |
| 33. |
How many grams of carbohydrate is present in a hen’s egg? |
| A. | 0.61 g |
| B. | 0.5 g |
| C. | 1.3 g |
| D. | 2.5 g |
| Answer» B. 0.5 g | |
| 34. |
Which of the following list of the diseases are deficiency diseases? I. Simple goitre and Oriental sore II. Xerophthalmia and colour blindness III. Night blindness and Marasmus IV. Beri-beri and Osteomalacia |
| A. | I & II |
| B. | I & III |
| C. | II & III |
| D. | III & IV |
| Answer» E. | |
| 35. |
Assertion (A): A man with O blood group married to a woman of blood group AB then child will never get an AB group. Reason (R): Blood group 0 gene is dominant over A, B or AB. In the above item consist of two statements, one labelled as 'Assertion (A)' and the other labelled as 'Reason (R)'. Select your answers to these items using the codes given below. Codes: |
| A. | Both A and R are true and R is the correct explanation of A |
| B. | Both A and R are true but R is not a correct explanation of A |
| C. | A is true but R is false |
| D. | A is false but R is true |
| Answer» D. A is false but R is true | |
| 36. |
BOTH_KIDNEYS_ARE_IN_THE_SAME_POSITION_IN_THE_BODY.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 37. |
What is the daily volume of glomerular filtrate in adult male and female?$ |
| A. | 50 liter in male and 90 liters in females |
| B. | 120 liter in male and 130 liters in females |
| C. | 180 liter in male and 150 liters in females |
| D. | 180 liter in male and 180 liters in females |
| Answer» D. 180 liter in male and 180 liters in females | |
| 38. |
Out_of_the_following,_which_is_the_first_step_in_urine_production?$ |
| A. | Glomerular filtration |
| B. | Tubular secretion |
| C. | Tubular reabsorption |
| D. | Urinary bladder store urine |
| Answer» B. Tubular secretion | |
| 39. |
Which of the following is NOT the characteristics of the normal urine? |
| A. | Yellow or amber color |
| B. | Mildly aromatic |
| C. | 3-4 pH |
| D. | 1.001 to 1.035 specific gravity |
| Answer» D. 1.001 to 1.035 specific gravity | |
| 40. |
What is micturition? |
| A. | Formation of feces |
| B. | Discharge of urine |
| C. | Defecating |
| D. | Formation of sperm |
| Answer» C. Defecating | |
| 41. |
Which_of_the_following_hormone_plays_a_major_role_in_water_reabsorption? |
| A. | Somatostatin |
| B. | Relaxasin |
| C. | Oxytocin |
| D. | Vasopressin |
| Answer» E. | |
| 42. |
Which of the following kidney function is NOT true? |
| A. | Regulate blood volume and composition |
| B. | Synthesize glucose |
| C. | Regulate blood pressure |
| D. | Defend the body against disease |
| Answer» E. | |
| 43. |
Which of the following gastric secretion phase prepares mouth and stomach for food? |
| A. | Intestinal phase |
| B. | Gastric phase |
| C. | Cephalic phase |
| D. | Early phase |
| Answer» D. Early phase | |
| 44. |
Which of the following is NOT the function of the large intestine? |
| A. | Forming feces |
| B. | Absorb 90% of nutrients |
| C. | Defecating |
| D. | Absorbing some water, ions, and vitamins |
| Answer» C. Defecating | |
| 45. |
Name the type of secretory cell which secretes hydrochloric acid in the stomach? |
| A. | D-cell |
| B. | G-cell |
| C. | Mucous cell |
| D. | Parietal cell |
| Answer» E. | |
| 46. |
Which of the following is NOT the salivary protein? |
| A. | Lysozyme |
| B. | Mucus |
| C. | Phosphatase |
| D. | Amylase |
| Answer» D. Amylase | |
| 47. |
Out of the following, which is a major secretory layer of the GI tract? |
| A. | Mucosa |
| B. | Submucosa |
| C. | Muscularis |
| D. | Serosa |
| Answer» B. Submucosa | |
| 48. |
Digestion of food begins in the mouth itself. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 49. |
What is the pH of the saliva? |
| A. | 3-5 |
| B. | 7-8 |
| C. | 5.5-6.2 |
| D. | 6.2-7.4 |
| Answer» E. | |