Environmental Engineering

291. Autecology deals with

  1. Ecology of species
  2. Ecology of many species
  3. Ecology of community
  4. All the above

Correct answer: (A)
Ecology of species

292. Barnacles growing on the back of whale is an example for

  1. mutualism
  2. parasitism
  3. amensalism
  4. commensalism

Correct answer: (D)
commensalism

293. Biodiversity

  1. increases towards the equator
  2. decreases towards the equator
  3. remains same throughout the planet
  4. has no effect on change in latitude

Correct answer: (A)
increases towards the equator

294. Biotic potential is counteracted by

  1. Competition with other organisms
  2. Producer is the largest
  3. Limitation of food supply
  4. None of the above

Correct answer: (D)
None of the above

295. Blue whale is placed under

  1. endangered
  2. critically endangered
  3. rare
  4. extinct

Correct answer: (A)
endangered

296. BOD stands for

  1. biotic oxidation demand
  2. biological oxidation demand
  3. biological oxygen demand
  4. biochemical oxygen demand

Correct answer: (C)
biological oxygen demand

297. Carbon mono oxide is a pollutant because

  1. it reacts with O2
  2. it inhibits glycolysis
  3. makes nervous system inactive
  4. reacts with haemoglobin

Correct answer: (D)
reacts with haemoglobin

298. Cement factory labourers are prone to

  1. leukemia
  2. bone marrow disease
  3. asbestosis
  4. cytosilicosis

Correct answer: (D)
cytosilicosis

299. Chipco movement is a public agitation that occurred in

  1. Mansbal area in Kashmir
  2. Silent valley in Kerala
  3. Sundarban area in Bengal
  4. Tehri Garhwal area of Uttar Pradesh

Correct answer: (D)
Tehri Garhwal area of Uttar Pradesh

300. Climate includes

  1. Seasonal variation
  2. General patterns of atmosphere conditions
  3. Average weather of an area
  4. All of these

Correct answer: (D)
All of these

Page 30 of 43