MCQOPTIONS
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MCQOPTIONS
This section includes 91 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which one of the following is not an insect:~! |
| A. | Bed bug |
| B. | House fly |
| C. | Mosquitoes |
| D. | Spider |
| Answer» E. | |
| 2. |
Reflex actions are controlled by :~! |
| A. | The cells |
| B. | The Spinal Chord |
| C. | The Brain |
| D. | The Nerves |
| Answer» C. The Brain | |
| 3. |
Reflex actions are controlled by :~! |
| A. | The cells |
| B. | The Spinal Chord |
| C. | The Brain |
| D. | The Nerves |
| Answer» C. The Brain | |
| 4. |
Pollination by wind is called |
| A. | anemophily |
| B. | hydrophily |
| C. | zoophily |
| D. | entomophily |
| Answer» B. hydrophily | |
| 5. |
Plants receive their nutrients mainly from%! |
| A. | chlorophyll |
| B. | atmosphere |
| C. | light |
| D. | soil |
| Answer» E. | |
| 6. |
Pollination by wind is called%! |
| A. | anemophily |
| B. | hydrophily |
| C. | zoophily |
| D. | entomophily |
| Answer» B. hydrophily | |
| 7. |
Ramapithecus and Cro-Magnon man are considered |
| A. | ancestors of modern man |
| B. | ancestors of monkey |
| C. | ancestors of lion |
| D. | None of the above |
| Answer» B. ancestors of monkey | |
| 8. |
Myopia is connected with%! |
| A. | ears |
| B. | eyes |
| C. | lungs |
| D. | None of these |
| Answer» C. lungs | |
| 9. |
Ramapithecus and Cro-Magnon man are considered%! |
| A. | ancestors of modern man |
| B. | ancestors of monkey |
| C. | ancestors of lion |
| D. | None of the above |
| Answer» B. ancestors of monkey | |
| 10. |
Radical vascular bundles are those in which%! |
| A. | xylem is surrounded by phloem |
| B. | phloem is surrounded by xylem |
| C. | xylem and phloem occur on the same radius |
| D. | xylem and phloem occur on the different radii |
| Answer» E. | |
| 11. |
Process of cell division can take place by%! |
| A. | heterosis |
| B. | fusion |
| C. | mitosis |
| D. | None of these |
| Answer» D. None of these | |
| 12. |
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by%! |
| A. | Robert Hooke |
| B. | Robert Brown |
| C. | Rudolf Virchow |
| D. | Theodore Schwann |
| Answer» C. Rudolf Virchow | |
| 13. |
O2 released in the process of photosynthesis comes from%! |
| A. | CO2 |
| B. | water |
| C. | sugar |
| D. | pyruvic acid |
| Answer» C. sugar | |
| 14. |
N2 content is kept constant in the biosphere due to%! |
| A. | N2 fixation |
| B. | industrial pollution |
| C. | nitrogen cycle |
| D. | absorption of N2 |
| Answer» D. absorption of N2 | |
| 15. |
Plants absorb dissolved nitrates from soil and convert them into%! |
| A. | free nitrogen |
| B. | urea |
| C. | ammonia |
| D. | proteins |
| Answer» B. urea | |
| 16. |
*/*_Plants receive their nutrients mainly from? |
| A. | chlorophyll |
| B. | atmosphere |
| C. | light |
| D. | soil |
| Answer» E. | |
| 17. |
*/*_Biotic component of the environment does not include-? |
| A. | Soil system |
| B. | Animal system |
| C. | Micro-organism system |
| D. | Plant system |
| Answer» B. Animal system | |
| 18. |
*/*_Plants absorb dissolved nitrates from soil and convert them into? |
| A. | free nitrogen |
| B. | urea |
| C. | ammonia |
| D. | proteins |
| Answer» B. urea | |
| 19. |
*/*_Number of chromosomes in Down's syndrome is? |
| A. | 46 |
| B. | 47 |
| C. | 48 |
| D. | 49 |
| Answer» C. 48 | |
| 20. |
*/*_Nymph is the name of young one of? |
| A. | butterfly |
| B. | beetle |
| C. | housefly |
| D. | cockroach |
| Answer» E. | |
| 21. |
*/*_Radish is a? |
| A. | bulb |
| B. | conn |
| C. | modified root |
| D. | tuber |
| Answer» D. tuber | |
| 22. |
*/*_Radioactivity is a phenomenon of the spontaneous emission of? |
| A. | protons (alpha particles) |
| B. | electrons (beta particles) |
| C. | gamma rays (short wave electromagnetic waves) |
| D. | All of the above |
| Answer» E. | |
| 23. |
*/*_On which of the following plants did Gregor Mendal perform his classical experiment?? |
| A. | Gram |
| B. | Maize |
| C. | Pea |
| D. | Wheat |
| Answer» D. Wheat | |
| 24. |
*/*_Ramapithecus and Cro-Magnon man are considered? |
| A. | ancestors of modern man |
| B. | ancestors of monkey |
| C. | ancestors of lion |
| D. | None of the above |
| Answer» B. ancestors of monkey | |
| 25. |
*/*_Myopia is connected with? |
| A. | ears |
| B. | eyes |
| C. | lungs |
| D. | None of these |
| Answer» C. lungs | |
| 26. |
*/*_Radical vascular bundles are those in which? |
| A. | xylem is surrounded by phloem |
| B. | phloem is surrounded by xylem |
| C. | xylem and phloem occur on the same radius |
| D. | xylem and phloem occur on the different radii |
| Answer» E. | |
| 27. |
*/*_Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by? |
| A. | Robert Hooke |
| B. | Robert Brown |
| C. | Rudolf Virchow |
| D. | Theodore Schwann |
| Answer» C. Rudolf Virchow | |
| 28. |
*/*_Process of cell division can take place by? |
| A. | heterosis |
| B. | fusion |
| C. | mitosis |
| D. | None of these |
| Answer» D. None of these | |
| 29. |
*/*_N2 content is kept constant in the biosphere due to? |
| A. | N2 fixation |
| B. | industrial pollution |
| C. | nitrogen cycle |
| D. | absorption of N2 |
| Answer» D. absorption of N2 | |
| 30. |
*/*_O2 released in the process of photosynthesis comes from? |
| A. | CO2 |
| B. | water |
| C. | sugar |
| D. | pyruvic acid |
| Answer» C. sugar | |
| 31. |
%_Mutation is_% |
| A. | a factor responsible for plant growth |
| B. | a change which affects the offspring of F2 generation only |
| C. | a change that is inherited |
| D. | a change which affects the parents |
| Answer» D. a change which affects the parents | |
| 32. |
%_Photo-oxidation is_% |
| A. | photorespiration |
| B. | photolysis |
| C. | light and oxygen induced breakdown |
| D. | All of the above |
| Answer» E. | |
| 33. |
_ Pollination is best defined as$? |
| A. | transfer of pollen from anther to stigma |
| B. | germination of pollen grains |
| C. | growth of pollen tube in ovule |
| D. | visiting flowers by insects |
| Answer» B. germination of pollen grains | |
| 34. |
_ Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes$? |
| A. | tetanus |
| B. | influenza |
| C. | cholera |
| D. | typhoid |
| Answer» D. typhoid | |
| 35. |
_ Plants synthesis protein from$? |
| A. | starch |
| B. | sugar |
| C. | amino acids |
| D. | fatty acids |
| Answer» D. fatty acids | |
| 36. |
_ Rain water helps to increase the ____ to some extent.$? |
| A. | phosphorous contents |
| B. | nitrogen contents |
| C. | calcium contents |
| D. | potash contents |
| Answer» D. potash contents | |
| 37. |
_ Oxygen in our blood is transported by a protein named$? |
| A. | haemoglobin |
| B. | keratin |
| C. | collagen |
| D. | myoglobin |
| Answer» B. keratin | |
| 38. |
_ Outer covering of virus made up of protein is$? |
| A. | capsid |
| B. | coat |
| C. | virion |
| D. | viriod |
| Answer» B. coat | |
| 39. |
_ Monocot root differs from dicot root in having$? |
| A. | open vascular bundles |
| B. | scattered vascular bundles |
| C. | well developed pith |
| D. | radially arranged vascular bundles |
| Answer» D. radially arranged vascular bundles | |
| 40. |
_ Photosynthesis is a process$? |
| A. | reductive and exergonic |
| B. | reductive and catabolic |
| C. | reductive, endergonic and catabolic |
| D. | reductive, endergonic and anabolic |
| Answer» E. | |
| 41. |
_ Our skin, when exposed to excess sunlight, becomes dark. This is because our skin pigments called$? |
| A. | flavoxanthin |
| B. | melanin |
| C. | carotene |
| D. | Xanthophyll |
| Answer» C. carotene | |
| 42. |
_ Prothrombin which helps in clotting of blood is released by$? |
| A. | lymphocytes |
| B. | erythrocytes |
| C. | monocytes |
| D. | blood platelets |
| Answer» E. | |
| 43. |
_ Poison glands of snakes are homologous to$? |
| A. | electric organs of fishes |
| B. | stings of rays |
| C. | sebaceous glands of mammals |
| D. | salivary glands of vertebrates |
| Answer» E. | |
| 44. |
_ Photosynthesis takes place faster in$? |
| A. | yellow light |
| B. | white light |
| C. | red light |
| D. | darkness |
| Answer» C. red light | |
| 45. |
_ Photo-oxidation is$? |
| A. | photorespiration |
| B. | photolysis |
| C. | light and oxygen induced breakdown |
| D. | All of the above |
| Answer» E. | |
| 46. |
_ Phloem is a tissue found in$? |
| A. | reproductive organs of animals |
| B. | plants |
| C. | insects |
| D. | mammals |
| Answer» C. insects | |
| 47. |
_ Pyorrhoea is a disease of the$? |
| A. | nose |
| B. | gums |
| C. | heart |
| D. | lungs |
| Answer» C. heart | |
| 48. |
__Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of__ |
| A. | hormones |
| B. | enzymes |
| C. | proteins |
| D. | vitamins |
| Answer» C. proteins | |
| 49. |
_Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to$? |
| A. | angiosperms |
| B. | gymnosperms |
| C. | monocotyledons |
| D. | dicotyledons |
| Answer» C. monocotyledons | |
| 50. |
_Ptyalin is an enzyme produced in the$? |
| A. | salivary glands |
| B. | pituitary glands |
| C. | thyroid glands |
| D. | pancreas |
| Answer» B. pituitary glands | |