HARD
10th West Bengal Board
IMPORTANT
Earn 100

Show the steps of a nitrogen cycle with the help of a flow chart.

Important Questions on Environment : Its Resources and Their Conservation

EASY
10th West Bengal Board
IMPORTANT

Speculate the probable causes of each of the following phenomena:

  • Insomnia, High blood pressure, partial or complete deafness
  • Decrease in the concentration of dissolved oxygen in water and floating of dead fishes
  • Dwindling populations of alligators were the result of hunting and loss of habitat,
  • Inflammation in the respiratory tract of lung
  • Decrease in the number of pollination insects 
EASY
10th West Bengal Board
IMPORTANT
Which one of the following microbes take part in nitrification?
HARD
10th West Bengal Board
IMPORTANT
Mention the in-situ measures adopted for the conservation of lions in Gir National park of India. What environmental problems may arise in a locality due to the ever-increasing human population?
EASY
10th West Bengal Board
IMPORTANT
Decide which of the following pair is not correct-
MEDIUM
10th West Bengal Board
IMPORTANT
Hilsa, Bee, Penguin, Rauwolfia -
Assess which are the causes of endangeredness of the above-mention organisms?
MEDIUM
10th West Bengal Board
IMPORTANT
 Discuss any two roles of People’s Biodiversity Register (PBR) in conserving local biodiversity?
EASY
10th West Bengal Board
IMPORTANT
Tabulate any of the four activities which are prohibited in a sanctuary following the provisions of Wildfire Act?