World Environment And Ecology MCQ

Test your knowledge with important World Environment And Ecology MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more World Environment And Ecology MCQs at Bissoy

• Which of the following aquatic plant is effective in preventing the water-pollution caused by industrial waste?
  ক

  Water Hyacinth

  খ

  Elephant Grass

  গ

  Parthenium

  ঘ

  B and C
• Which has the maximum rate of deforestation?
  ক

  Tropical Zone

  খ

  Desert Zone

  গ

  Temperate Zone

  ঘ

  Northern Forest
• The radiant energy received by the Earth from the sun is
  ক

  Radiation

  খ

  Insolation

  গ

  Reflection

  ঘ

  Refraction
• The method of soil conservation in the coastal and dry regions where rows of trees are planted to check the wind movement to protect soil cover is called
  ক

  Mulching

  খ

  Contour barriers

  গ

  Rock dam

  ঘ

  Shelter belts
• The World's largest bio-fuel plant has been established with a production capacity of 100 million liters per year, is located in
  ক

  China

  খ

  India

  গ

  Brazil

  ঘ

  USA
• The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called
  ক

  Mulching

  খ

  Contour barriers

  গ

  Rockdam

  ঘ

  Terrace Farming
• Due to growing demand of which of the following product, tropical forest are being damaged the most
  ক

  Pork

  খ

  Sugar

  গ

  Meat of Goat

  ঘ

  Beef
• Which of the following is an important Green house Gas?
  ক

  Carbon Dioxide

  খ

  Chlorofluorocarbon

  গ

  Carbon Monoxide

  ঘ

  Freon
• When was the World Wildlife Fund founded?
  ক

  1969

  খ

  1992

  গ

  1961

  ঘ

  1965
• What is the benefit of rain water storage?
  ক

  Recharging ground water level

  খ

  Respite from floods

  গ

  Reduce the scarcity of water

  ঘ

  Protection from soilerosion
• The cause of reduction of forest coverage is
  ক

  Agriculture

  খ

  Manufacturing Industry

  গ

  Rising Population

  ঘ

  Toursim and Pilgrimage
• The first protocol to ban the emissions of choloro fluorocarbons in the atmosphere was made in
  ক

  Montreal

  খ

  Osaka

  গ

  Geneva

  ঘ

  Florida
• Which of the following environment supports the growth of Mangrove Swamp?
  ক

  Tidal flat

  খ

  Monsoon

  গ

  Equatorial

  ঘ

  Mixed
• The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?
  ক

  Mulching

  খ

  Intercropping

  গ

  Rockdam

  ঘ

  Terrace farming
• What is the biggest source of pollution in the world?
  ক

  Sewage and Garbage

  খ

  Automobile Laxity

  গ

  Herbicide and Insecticide

  ঘ

  Industrial Tributaries
• EL-Nino is
  ক

  Warm Ocean Current

  খ

  Sea Storm

  গ

  Tropical Disturbance

  ঘ

  Another name of Typhoon
• Of the solar energy coming into the Biosphere, what percentage of it is actually used in the photosynthesis?
  ক

  Less than 1

  খ

  Between 1% and 15%

  গ

  Between 15% and 2%

  ঘ

  More than 2%
• The Biosphere is a region of earth which supports life. It includes-<br>1. Hydrosphere<br>2. Lithosphere<br>3. Stratosphere<br>4. Troposphere
  ক

  1 and 3

  খ

  1, 2 and 4

  গ

  1 and 4

  ঘ

  2, 3 and 4
• The Ozone hole over Antarctica was discovered in
  ক

  1975

  খ

  1985

  গ

  1978

  ঘ

  1987
• Select the correct answer from the following:<br>1. Melting of polar ice caps and subsequently rise in the sea level is the most important effect of global warming.<br>2. The sea level is likely to rise by one meter by 2070 AD if the present level of global warming is not controlled.<br>3. All the coral islands in the world will be submerged.<br>4. By 2044 AD, Fiji is likely to be submerged and rise in the sea level by the same year will pose a grave danger to the Netherlands.
  ক

  1, 2, 3 and 4

  খ

  4 only

  গ

  1, 2 and 4

  ঘ

  1, 2 and 3
• The correct sequence in decreasing order of the albedo values of these ecosystem is:<br>1. Taiga<br>2. Tropical evergreen<br>3. Tropical deciduous<br>4. Tundra
  ক

  1, 4, 3, 2

  খ

  4, 1, 2, 3

  গ

  4, 1, 3, 2

  ঘ

  1, 4, 2, 3
• Which one of the following ecosystems covers the largest area of the earth's surface?
  ক

  Desert Ecosystem

  খ

  Grassland Ecosystem

  গ

  Mountain Ecosystem

  ঘ

  Marine Ecosystem
• Where is the secretariat of the Conference on Biological Diversity?
  ক

  London

  খ

  Italy

  গ

  Montreal

  ঘ

  Toronto
• What is the cause of 'Green house effect'?
  ক

  Nitrogen

  খ

  Carbon Dioxide

  গ

  Carbon Monoxide

  ঘ

  Nitrogen Dioxide
• Global warming is expected to result in
  ক

  Increase in sea level

  খ

  Change in crop pattern

  গ

  Change in coastal line

  ঘ

  All of these
• What is the ecological system integrating all living beings and their relationships?
  ক

  Total Wild Life

  খ

  Biosphere

  গ

  Lithosphere

  ঘ

  Hydrosphere
• Soil is eroded heavily due to deforestation, it affects the flowing of surface water badly. Which of the following is badly affected by these causes
  ক

  Human Resource

  খ

  Ecological System

  গ

  Climate

  ঘ

  Local Plants
• Among the following climatic factors, which one has the least effect upon a terrestrial ecosystem?
  ক

  Temperature variation

  খ

  Wind

  গ

  Conditions of sunlight

  ঘ

  Availability of water
• For which of the following reason, it is necessary to secure a large area for forest?
  ক

  Absorption of carbon dioxide

  খ

  Conservation of wild

  গ

  More rain

  ঘ

  Ecological balance
• The largest ecosystem of earth is
  ক

  Biome

  খ

  Hydrosphere

  গ

  Lithosphere

  ঘ

  Biosphere