Environment & Biodiversity MCQs
PDF compilation of Environment MCQs can be downloaded from this link.
51. Which among the following always decreases in a Food chain across tropic levels?
[A] Number
[B] Accumulated chemicals
[C] Energy
[D] None of the above
Show Answer
Correct Answer: C [Energy]
Notes:
The Pyramid of Energy is always upright
52. In the E-waste generated by the Mobile Phones, which among the following metal is most abundant?
[A] Copper
[B] Silver
[C] Palladium
[D] Gold
Show Answer
Correct Answer: A [Copper]
53. Who among the following is the author of the famous book “Silent Spring” which is credited for being of much help in launching the environment movement?
[A] Ian Lowe
[B] Pat Hutchings
[C] Mike Kingsford
[D] Rachel Carson
Show Answer
Correct Answer: D [Rachel Carson]
54. Which among the following planet / body shows anti-green house effect?
[A] Mars
[B] Venus
[C] Jupiter
[D] Titan
Show Answer
Correct Answer: D [Titan]
Notes:
In our solar System, Mars and Venus show the Green House Effect, but Titan, the largest planet of Saturn and Pluto, shows the opposite phenomena which is called Anti-Green House Effect.
55. In which of the following food chains, the Pyramid of Numbers will be always inverted?
[A] Grassland Food chain
[B] Ponds Food chain
[C] Forests Food Chain
[D] Parasitic food chain
Show Answer
Correct Answer: D [Parasitic food chain]
Notes:
In a Grassland, the number of producers i.e. plants and grasses is more than the herbivore and number of carnivores is more than the herbivores. The same is valid for Ponds. In Forests, the Pyramid of Number is a broad shaped. The producers are more, herbivores are less but carnivores are again more. In Parasitic food chain, the Pyramid of Numbers is always inverted
56. What is Carbon Levy?
[A] It’s a tax levied on jet and shipping fuel to finance climate change mitigation
[B] It’s a tax levied on carbon fuel
[C] It’s a tax levied on production of fossil fuel and coal
[D] It’s a tax levied on production of coal only
Show Answer
Correct Answer: B [It’s a tax levied on carbon fuel]
57. Approximately what fraction of India’s Gross Geographical area comes under the Protected Areas?
[A] 2%
[B] 3%
[C] 4%
[D] 5%
Show Answer
58. Along with Jatropha, the seed oil of which among the following plants has been found to be useful in diesel generators being explored in hundreds of projects throughout India and other developing countries as feedstock for biodiesel?
[A] Arachis hypogea
[B] Pongamia pinnata
[C] Butea monosperma
[D] Pterocarpus santalinius
Show Answer
Correct Answer: B [Pongamia pinnata]
59. Aichi Target is the outcome of which among the following protocols / summits ?
[A] Kyoto Protocol
[B] Nagoya Protocol
[C] Copenhagen Climate Summit
[D] Bali Communiqué
Show Answer
Correct Answer: B [Nagoya Protocol]
60. Acid rain is capable of damaging the buildings and historic monuments which are made up of rocks such as limestone and marble. Which among the following is the end product of such reaction?
[A] Quick Lime
[B] Calcium Carbonate
[C] Calcium Hydroxide
[D] Gypsum
Show Answer
Correct Answer: D [Gypsum]
