Environment & Biodiversity MCQs

Environment, Ecology & Biodiversity Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations.

41. Green House Effect means _____:
[A] Cultivation of crops in green house to conserve heat
[B] Trapping of solar energy due to carbon dioxide gases
[C] Trapping of solar energy by earth upper surface
[D] Increase of heat due to atmospheric pollution

Show Answer

42. Solar energy is converted into chemical energy during ____:
[A] Photosynthesis
[B] Combustion
[C] Transition
[D] Fusion

Show Answer

43. Which of the following is a biotic component of environment?
[A] Energy
[B] Radiation
[C] Water
[D] Green plant

Show Answer

44. With respect to humans, why is carbon monoxide a pollutant?
[A] It reacts with haemoglobin
[B] It reacts with sulphur dioxide
[C] It reacts with nitrogen dioxide
[D] It makes nervous system inactive

Show Answer

45. The term ‘Ecological sanitation’ is associated with:
[A] Plastic Waste
[B] Human excreta
[C] Air Pollution
[D] Vultures

Show Answer

46. Which of the following factors is/are not affected by speed and direction of wind?
[A] Location on the earth
[B] Revolution of earth
[C] Local conditions
[D] Height from ground

Show Answer

47. Which of the following is correct order with respect to amount present in air?
[A] Nitrogen > carbon dioxide > oxygen
[B] Nitrogen > oxygen > carbon dioxide
[C] Oxygen > nitogen > carbon dioxide
[D] Carbon dioxide > nitrogen > oxygen

Show Answer

48. Which of the following Colour coded weather alert is issued by IMD when there is a chance of more than 20 cm rainfall in 24 hours?
[A] Green
[B] Orange
[C] Red
[D] Yellow

Show Answer

49. Which national park hosts the largest ice cap aside from those in Antarctica and Greenland?
[A] Los Glaciares National Park
[B] Yosemite National Park
[C] Banff National Park
[D] Zion National Park

Show Answer

50. On the border of which two countries can the Iguaçu National Park be found?
[A] Brazil and Argentina
[B] Brazil and Paraguay
[C] Argentina and Chile
[D] Brazil and Uruguay

Show Answer