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166-180: MCQs for General Science for Govt. Exams (UPSC and SSC)
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In this lesson, Dr. Roman Saini will discuss the MCQs related to various topics in General Science from Class 6 to Class 8 (Science) NCERT.

Roman Saini is teaching live on Unacademy Plus

Roman Saini
Part of a great founding team at Unacademy with Gaurav, Hemesh. Movies, Guitar, Books, Teaching.

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Malaria is caused by vivax , falciparum and malariae plasmodium Pneumonia is caused by a number of infectious agents, including viruses, bacteria and fungi
Malaria is caused by Plasmodium species
Roobitha Masanam
3 years ago
13/15
ol
Pneumonia is an infection in the lungs(alveoli) caused by either viruses or bacteria. Plasmodium causes Malaria.
Kunal Krishna
3 years ago
so isn't the answer given in video wrong?
Plasmodium vivax Plasmodium ovale Plasmodium falciparum are the species causes malaria Out of which falciparum causes malignant malaria
  1. 0166. Which of the following is a method to increase the soil fertility? 1. Keeping the land fallow 2. Adding fertilizers 3. Crop rotation Choose the correct code. a. 2 only b. 1 and 2 only c. 2 and 3 only d 1, 2 and 3


  2. Answer:d Explanation: Self-explanatory


  3. 0167. Consider the following statements regarding the manure: 1. It enhances the water holding capacity of the soi 2. t makes the soil porous due to which exchange of gases becomes easy. 3. It increases the number of friendly microbes. 4. It improves the texture of the soil. Choose the correct statements. a. 1 and 2 only b. 2 and 3 only c. 3 and 4 only d. All of the above


  4. Answer:d Explanation: Self-explanatory


  5. 0168. Which of the following is the best method of irrigating crops? a. Drip irrigation b. Sprinkler irrigation c. Chain pump irrigation d. Rahat irrigation (Dhekli)


  6. Answer: a Explanation: In drip irrigation system, the water falls drop by drop just at the position of the roots. So it is called drip system. It is the best technique for watering fruit plants, gardens and trees. Water is not wasted at all.


  7. Q169. Which of the following festivals are associated with harvesting of crops? 1. Pongal. 2. Baisakhi. 3. Bihu 4. Nabanya Choose the correct code. a. b. 2 and 3 only C. d. 1,2, 3 and 4 1 and 2 only 1 and 3 only


  8. Answer:d Explanation: Self-explanatory


  9. 0170. A virus can multiply inside the cells of; 1. Plants 2. Animals 3. Bacteria Choose the correct code. a. 1 only b. 2 only c. 1 and 2 only d. 1, 2 and 3


  10. Answer:d Explanation: Viruses are microscopic organisms which reproduce only inside the cells of the host organism, which may be a bacterium, plant or animal


  11. 0171. Which of the following diseases is not caused by a virus? a. Common Cold b. Polio c. Anthrax d. Chicken pox


  12. Answer: c Explanation: anthrax is caused by a bacterium.


  13. Answer: a Explanation: Tuberculosis is caused by bacteria.


  14. Q174. Antibiotics are obtained from; 1. Bacteria 2. Fungi 3. Viruses Choose the correct code. a. 1 only b. 1 and 2 only c. 1 and 3 only d. 1, 2 and 3


  15. Answer: a Explanation: Self-explanatory


  16. 0176. Which of the following s not a contagious disease? Q176. Which of the following is not a contagious disease? a. Malaria b. Tuberculosis. c. Common cold. d. Ebola


  17. Answer: a Explanation: Self-explanatory


  18. Q178. Yellow vein mosaic is a disease of a. Citrus fruits Banana C. Ladyfinger d. Brinjal


  19. 0179. Food poisoning is a disease caused by eating food; a. b. Spoilt by micro-organisms. c. Rich in fats. d. That has not been Containing some poison. cooked properly


  20. Q180. Yeast is used in the production of; a. Alcohol b. Sweets c. Sugar d. Oxygen


  21. Answer: a Explanation: Self-explanatory