Aquaculture are:

Related Mcqs:

1. What is Pollution?

   A. An undesirable change in physical, chemical or biological characteristics of air, water or land that may
   B. Will harmfully affect human life, directly or indirectly
   C. Both (a) & (b)
   D. None of these

2. What is Pollutants:

   A. Agents that pollute; these may be gaseous (vapours) or particulate (solid and liquid particles)
   B. On the basis of the amount and their relative harmfulness or toxicity
   C. Both (a) & (b)
   D. None of these

3. Inorganic of mineral origin are:

   A. Inorganic fertilizers
   B. Bio-origin fertilizers
   C. Green manuring
   D. All of the above

4. Acid rain means:

   A. A type of pollution which washes out of the atmosphere as dilute sulphuric and nitric acids
   B. It tends to be a regional rather than a global phenomenon linked to particular industrial activities and meteorological conditions
   C. Both (a) & (b)
   D. None of these

5. The Arctic means:

   A. The north polar regions but it has also become used to denote the territory lying within the Arctic Circle
   B. The landscape, climate and plant and animal life found in those regions
   C. Both (a) & (b)
   D. None of these

6. Boreal forest is:

   A. The large coniferous forest areas in the northern hemisphere between the latitudes of 50
   B. Large areas of boreal forest are found in Scandinavia, Siberia and Northern America
   C. Both (a) & (b)
   D. None of these

7. Foraminifera means:

   A. An abundant family of simple mostly marine organisms
   B. The important to scientists who are studying climatic change
   C. Both (a) & (b)
   D. None of these

8. C4 Plants means:

   A. A group of plants which include maize and sorghum
   B. The process of carbon fixation usually found in tropical plants with high growth rates
   C. Both (a) & (b)
   D. None of these

9. Paleontology is:

   A. The study of fossil plants and animals and of the rock formations where they are found
   B. The information is used increasingly in environmental sciences to build up a picture of past environments
   C. Both (a) & (b)
   D. None of these

10. The redwood tree is:

    A. The tallest living coniferous evergreen tree
    B. To reach a height of over 300 feet
    C. The Sequia sempervirens (the redwood tree is also very long lived) are found from southwest
    D. All of the above