MCQ(s) of Environmental Studies (2110007) - Summer 2015 Sem-2

    • Q. 1  In ecological pyramids, pyramid of energy is ___________.
    • (A) an inverted pyramid only
      (B) a spindle shaped pyramid only
    • (C) an upright pyramid only
      (D) none of the above
    • (C) an upright pyramid only
    • Q. 2  The range of temperature variation in mesosphere is _____
    • (A) 20oC to -56oC
      (B) -2oC to -90oC
    • (C) -56oC to -2oC
      (D) -90oC to 1200oC
    • (B) -2oC to -90oC
    • Q. 3  The rate of biomass per unit area per unit time is known as ___________.
    • (A) biomagnification
      (B) biomes
    • (C) saprophytes
      (D) productivity
    • (D) productivity
    • Q. 4  Mortality rate is defined as ______
    • (A) Number of births per one thousand people in a particular year
      (B) Number of deaths per one thousand people in a particular year
    • (C) Number of births per one thousand people in a city
      (D) Number of deaths per one thousand people in a city
    • (B) Number of deaths per one thousand people in a particular year
    • Q. 5  Solid or liquid particle in the air smaller than 1 ┬Ám is known as _______
    • (A) Flyash
      (B) Aerosol
    • (C) Soot
      (D) Mist
    • (B) Aerosol
    • Q. 6  ___ is a green house gas.
    • (A) Nitrogen
      (B) Oxygen
    • (C) Argon
      (D) Water vapour
    • (D) Water vapour
    • Q. 7  The area where freshwater from the river mixes with sea water is known as ___
    • (A) an estuary
      (B) a fresh water reservoir
    • (C) a lake
      (D) a stream
    • (A) an estuary
    • Q. 8  Eutrophication is caused due to the nutrients like ___________ & ___________.
    • (A) calcium and sodium
      (B) phosphorous and nitrogen
    • (C) carbon and oxygen
      (D) None of the above
    • (B) phosphorous and nitrogen
    • Q. 9  The percapita water availability ___________ if the utilizable water resources is decreased and the population is increased.
    • (A) increases
      (B) decreases
    • (C) remain unchanged
      (D) may increase or decrease
    • (B) decreases
    • Q. 10  Chipko movement is associated with _______
    • (A) illiteracy
      (B) soil conservation
    • (C) water conservation
      (D) forest conservation
    • (D) forest conservation
    • Q. 11  Autecology is defined as _______
    • (A) the study of abiotic environment
      (B) the study of communities
    • (C) the study of population of single species
      (D) the study of living and nonliving environment
    • (C) the study of population of single species
    • Q. 12  The provisions for environmental protection include ____
    • (A) prevention and control of water pollution act
      (B) prevention and control of air pollution act
    • (C) environmental protection act
      (D) all of the above
    • (D) all of the above
    • Q. 13  Fluorosis is _____
    • (A) decolorisation of teeth
      (B) reduction of fluids in body
    • (C) a respiratory disease
      (D) none of the above
    • (A) decolorisation of teeth
    • Q. 14  Saprotrophs feed on ____
    • (A) fresh vegetables
      (B) dead microbes
    • (C) rotten organic material
      (D) live plants
    • (B) dead microbes