Quiz

Question: Industrial melanism is an example of
Options:
A.protective resemblance with the surrounding
B.drug resistance
C.defensive adaptation of skin against UV radiations
D.darkening of skin due to industries
Answer: Option D

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More Questions on This Topic :

Question 1. Extensive planting of trees to increase forest cover is called
  1.    Afforestation
  2.    Agroforestry
  3.    Deforestation
  4.    Social forestry
Answer: Option A
Question 2. The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called
  1.    Ecologically sensitive areas
  2.    Grasslands
  3.    Delta
  4.    Biologically sensitive areas
Answer: Option A
Question 3. The crack marked on a glacier due to splitting of ice is called
  1.    watershed
  2.    crevasses
  3.    delta
  4.    glacier
Answer: Option B
Question 4. Coal is a __________ resource.
  1.    abiotic
  2.    inorganic
  3.    deforestation
  4.    none of the above
Answer: Option C
Question 5. As it travels along the food chain, the concentration of DDT
  1.    increases
  2.    remains constant
  3.    decreases
  4.    fluctuates randomly
Answer: Option A
Question 6. The presence of high coliform counts in water indicates
  1.    contamination by human wastes
  2.    phosphorus contamination
  3.    decreased Biological Oxygen Demand
  4.    hydrocrbon contamination
Answer: Option A

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