MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Age of fossils in the past was generally determined by radio-carbon method and other methods involving radioactive elements found in the rocks. More precise methods, which were used recently and led to the revision of the evolutionary period for different groups of organisms, includes ? |
| A. | study of carbohydrates/proteins in fossils |
| B. | Electron Spin Resonance (ESR) and fossil DNA |
| C. | study of the conditions of fossilization |
| D. | study of carbohydrates/proteins in rocks |
| Answer» D. study of carbohydrates/proteins in rocks | |
| 2. |
De Vries gave his mutation theory on organic evolution while working on ? |
| A. | Althea rosea |
| B. | Pisum sativum |
| C. | Drosophila melanogaster |
| D. | Oenothera lamarckiana |
| Answer» E. | |
| 3. |
Which one of the following sequences was proposed by Darwin and Wallace for organic evolution ? |
| A. | Overproduction, variations, constancy of population size, natural selection |
| B. | Overproduction, constancy of population size, variations, natural selection |
| C. | Variations, constancy of population size, overproduction, natural selection |
| D. | Variations, natural selection, overproduction, constancy of population size |
| Answer» C. Variations, constancy of population size, overproduction, natural selection | |
| 4. |
Chemical reactions could have converted simple organic compounds into ______ for the origin of life? |
| A. | Macromolecules |
| B. | Cells |
| C. | Nitrogen, oxygen and other gases |
| D. | Micromole |
| Answer» B. Cells | |
| 5. |
Coacervates were experimentally produced by______? |
| A. | Fischer and Huxley |
| B. | Urey and Miller |
| C. | Sidney Fox and Oparin |
| D. | Jacob and Monod |
| Answer» D. Jacob and Monod | |
| 6. |
Indian Constitution was amended for the first time in |
| A. | 1953 |
| B. | 1952 |
| C. | 1951 |
| D. | 1950 |
| Answer» D. 1950 | |
| 7. |
The universal recipient blood group is |
| A. | A- |
| B. | A+ |
| C. | AB- |
| D. | AB+ |
| Answer» E. | |
| 8. |
Diversification in plant life appeared ? |
| A. | Due to long periods of evolutionary changes |
| B. | By seed dispersal |
| C. | Suddenly on earth |
| D. | Due to abrupt mutations |
| Answer» B. By seed dispersal | |
| 9. |
The plants that flower once in their life are called |
| A. | monomorphic |
| B. | monogenic |
| C. | monogamous |
| D. | monocarpic |
| Answer» E. | |
| 10. |
Pollination done by insects is called |
| A. | hydrophily |
| B. | entomophily |
| C. | anemophily |
| D. | none of these |
| Answer» C. anemophily | |
| 11. |
Which one of the following agents causes birth defects? |
| A. | teratogens |
| B. | mutagens |
| C. | absortogens |
| D. | pathogens |
| Answer» B. mutagens | |
| 12. |
Human body's thermostat is |
| A. | pineal gland |
| B. | pituitary gland |
| C. | hypothalamus gland |
| D. | thyroid gland |
| Answer» D. thyroid gland | |
| 13. |
The white components present in excreta of lizards and birds is |
| A. | calcium |
| B. | urea |
| C. | uric acid |
| D. | creatinine |
| Answer» D. creatinine | |
| 14. |
The colour of human eyes is determine by the pigment present in the |
| A. | vitreous body |
| B. | iris |
| C. | choroid |
| D. | cornea |
| Answer» C. choroid | |
| 15. |
Which of the following was not founded by Dr.B. R. Ambedkar? |
| A. | Depressed Classes Institute |
| B. | Peoples Education Society |
| C. | Samaj Samata Sangh |
| D. | Deccan Education Society |
| Answer» E. | |
| 16. |
Sweet taste buds on human tongue lies |
| A. | on the back of tongue |
| B. | on the tip of the tongue |
| C. | on the side of the tongue |
| D. | on the centre of the tongue |
| Answer» C. on the side of the tongue | |
| 17. |
The volume of a paste of rice or wheat increases if kept open for a night due to |
| A. | the release of carbon dioxide from the yeast activity |
| B. | bacterial growth |
| C. | absorption of water by the particles of the paste |
| D. | oxidation of the paste |
| Answer» B. bacterial growth | |
| 18. |
The average rate of heart beats in an adult is |
| A. | 82 per minute |
| B. | 60 per minute |
| C. | 72 per minute |
| D. | 86 per minute |
| Answer» D. 86 per minute | |
| 19. |
Which one of the following upheavals took place in Bengal immediately after the Revolt of 1857? |
| A. | Pabna Disturbances |
| B. | Indigo Disturbances |
| C. | Santal Rebellion |
| D. | Sanyasi Rebellion |
| Answer» C. Santal Rebellion | |
| 20. |
Consumption of Kesari dal is banned because it causes gradual loss of |
| A. | white blood cells |
| B. | movement of lower limbs |
| C. | hearing |
| D. | vision |
| Answer» C. hearing | |
| 21. |
A baby has been born with a small tail. It is the case exhibiting ? |
| A. | metamorphosis |
| B. | retrogressive evolution |
| C. | mutation |
| D. | atavism |
| Answer» E. | |
| 22. |
Gandhiji wanted that the students should spend their vacations in |
| A. | None of these |
| B. | Social service |
| C. | Games |
| D. | studies |
| Answer» C. Games | |
| 23. |
Which of the following animals can bring oxygen directly to the cell? |
| A. | flatworm |
| B. | spider |
| C. | insects |
| D. | scorpion |
| Answer» D. scorpion | |
| 24. |
The tendency of population to remain in genetic equilibrium may be disturbed by ? |
| A. | Lack of random mating |
| B. | Lack of mutations |
| C. | Lack of migration |
| D. | Random mating |
| Answer» B. Lack of mutations | |
| 25. |
The digestive and breathing passages cross in the |
| A. | pharynx |
| B. | larynx |
| C. | trachea |
| D. | none of these |
| Answer» B. larynx | |
| 26. |
The digestive juice that lacks enzymes but helps digestion is |
| A. | chyme |
| B. | bile |
| C. | chyle |
| D. | none of these |
| Answer» C. chyle | |
| 27. |
Identify the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.I. Secondary cortexII. Autumn woodIII. Secondary phloemIV. PhellemThe correct order is? |
| A. | II, III, I, IV |
| B. | IV, I, III, II |
| C. | III, IV, II, I |
| D. | D I, II, IV, III |
| Answer» C. III, IV, II, I | |
| 28. |
Iron necessary for the body, is abundantly found in |
| A. | cauliflower |
| B. | milk |
| C. | green vegetables |
| D. | egg |
| Answer» D. egg | |
| 29. |
The carbon of organic compounds in plants comes from |
| A. | carbonates absorbed from soil |
| B. | organic compounds absorbed from the soil |
| C. | atmospheric carbondioxide |
| D. | none of these |
| Answer» D. none of these | |
| 30. |
Arrange the following in chronological order, who administered as Governor Generals of India.1. Wellesley2. Cornwallis3. Warren Hastings4. Dalhousie |
| A. | 4, 1, 2,3 |
| B. | 4, 2, 3, 1 |
| C. | 1,2,4, 3 |
| D. | 3,2, l, 4 |
| Answer» E. | |
| 31. |
Turmeric is obtained from which part of the plant? |
| A. | fruit |
| B. | root |
| C. | stem |
| D. | flower |
| Answer» C. stem | |
| 32. |
The double helix structure of DNA was discovered by |
| A. | Hershey and Chase |
| B. | Watson and Crick |
| C. | de Robertis |
| D. | Griffith |
| Answer» C. de Robertis | |
| 33. |
Read the following statements A and B.A: Many organs of aquatic plants float in water.B: Large air gaps are present in the collenchyma tissues of lotus leaf.Select the correct answer? |
| A. | Statement A is correct and B is wrong |
| B. | Statement B is correct and A is wrong |
| C. | Statements A and B both are correct |
| D. | Statements A and B both are wrong |
| Answer» B. Statement B is correct and A is wrong | |
| 34. |
Commonly used spice clove is obtained from the |
| A. | fruit |
| B. | root |
| C. | stem |
| D. | flower bud |
| Answer» E. | |
| 35. |
From evolutionary point of view, tracheids and sieve cells are more primitive than tracheae and sieve tubes respectively. The angiosperms have ? |
| A. | Tracheae, sieve cells and sieve tubes |
| B. | Tracheae and sieve tubes |
| C. | Tracheids, tracheae and sieve tubes |
| D. | Tracheids, tracheae and sieve cells |
| Answer» D. Tracheids, tracheae and sieve cells | |
| 36. |
Which one of the following is not a parasite? |
| A. | housefly |
| B. | mosquito |
| C. | louse |
| D. | tick |
| Answer» B. mosquito | |
| 37. |
Which of the following pairs are correctly matched? 1. Warren Hastings – Regulating Act2. Cornwallis – Permanent Land Settlement3. Wellesley – Subsidiary Alliance4. Dalhousie – Abolition of Sati |
| A. | 2 and 3 |
| B. | 1, 2 u0026 3 |
| C. | 1, 2 u0026 4 |
| D. | 1 and 3 |
| Answer» B. 1, 2 u0026 3 | |
| 38. |
Number of chromosome in human body cell |
| A. | 48 |
| B. | 23 |
| C. | 24 |
| D. | 46 |
| Answer» E. | |
| 39. |
In China rose the flowers are ? |
| A. | Zygomorphic, epigynous with twisted aestivation |
| B. | Zygomorphic, hypogynous with imbricate aestivation |
| C. | Actinomorphic, epigynous with valvate aestivation |
| D. | Actinomorphic, hypogynous with twisted aestivation |
| Answer» E. | |
| 40. |
The number of chromosome present in a bacteria is |
| A. | 3 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 41. |
The universal donor blood group is |
| A. | O- |
| B. | AB |
| C. | AB- |
| D. | O |
| Answer» B. AB | |
| 42. |
G.H. Shull observed inbreeding depression in a plant. Miller and Letham isolated a hormone from the immature seeds of that plant. Which of the following character is NOT associated with that plant ? |
| A. | Medulla absent in the root |
| B. | Atactostelic condition in stem |
| C. | Bundle sheath in leaf |
| D. | Chromosomal number of endospermous cell is 30 |
| Answer» B. Atactostelic condition in stem | |
| 43. |
Plant that has largest flower |
| A. | chrysanthemum |
| B. | sunflower |
| C. | Zinnia |
| D. | rafflesia |
| Answer» E. | |
| 44. |
The centre of balance of human body lies in the |
| A. | cochlea and semicircular canals together |
| B. | cochlea |
| C. | semicircular canals |
| D. | middle ear bone |
| Answer» D. middle ear bone | |
| 45. |
The sterilization operation of male is called |
| A. | gametectomy |
| B. | vasectomy |
| C. | spermectomy |
| D. | hysterotomy |
| Answer» C. spermectomy | |
| 46. |
Bitter taste buds on human tongue lies |
| A. | on the back of tongue |
| B. | on the tip of the tongue |
| C. | on the side of the tongue |
| D. | on the centre of the tongue |
| Answer» B. on the tip of the tongue | |
| 47. |
Sour taste buds on human tongue lies |
| A. | on the centre of the tongue |
| B. | on the back of tongue |
| C. | on the tip of the tongue |
| D. | on the side of the tongue |
| Answer» E. | |
| 48. |
The sex of a child is determined |
| A. | at the time of sperm's entry |
| B. | at the time of fertilization of ovum |
| C. | 6-7 weeks after conception |
| D. | in the second months of pregnancy |
| Answer» C. 6-7 weeks after conception | |
| 49. |
The role of root hair in plants is |
| A. | to absorb water and minerals from the soil |
| B. | to bind the soil particles to the root for firm fixation of the plant |
| C. | to protect the root from damage by coarse soil particles |
| D. | none of these |
| Answer» B. to bind the soil particles to the root for firm fixation of the plant | |
| 50. |
Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, petunia, tomato, rose, withania, potato, onion, aloe and tulip how many plants have hypogynous flower? |
| A. | Six |
| B. | Fifteen |
| C. | Ten |
| D. | Eighteen |
| Answer» C. Ten | |