At which latitude, heat grain through insolation approximately equals heat loss through terrestrial radiation?

Related Mcqs:

1. In a terrestrial ecosystem such as forest maximum energy lies in which trophic level?

   A. T1
   B. T2
   C. T3
   D. T4

2. Management of terrestrial resources deals primarily with ________.

   A. The manipulation of food, cover
   B. Water either directly or through coordination measures
   C. Both (a) & (b)
   D. None of these

3. The storage capacity of a soil equals:

   A. Field capacity
   B. Field capacity less capillary water
   C. Field capacity less hygroscopic water
   D. Field capacity plus gravitational water

4. _________ consists of a crop arranged in two different stories, one above the other; each story being approximately even-aged not of seedling as opposed to coppice origin:

   A. Two-storied high forest
   B. Three-storied high forest
   C. Four-storied high forest
   D. Five -storied high forest

5. Which one of the following elements is the critical limiting factors in the function of ecosphere because of its irretrievable loss in the ocear:

   A. Fe
   B. P
   C. Mg
   D. Ca

6. The causes of loss of biological diversity are:

   A. Over hunting is perhaps the most obvious direct cause of extinction in animals, as it has affected several large and well-known species
   B. Genetic diversity as represented by genetic differences between discrete populations with wild species, is liable to reduction as result of the same factors affecting species
   C. A major, though at present largely unpredictable, change in natural environments is likely to occur within the next century as a result of large-scale changes in global climate and weather patterns
   D. All of the above

7. Removal of top soil by soil erosion result in the loss of soil:

   A. Nitrites
   B. Nitrates
   C. Nitrogen
   D. Nitric and nitrous acids

8. The sedimentation in the most vital reservoirs of the country, the nation is losing some US $130.8 million every year due to loss of:

   A. Fertile soil, shrinkage of storage capacity
   B. Reduction agricultural products, power generation and industrial output
   C. Both (a) & (b)
   D. None of these

9. Loss of forests, urbanization, increasing pollution are all due to:

   A. Population explosion
   B. Nitrogen di-oxide
   C. Global warming
   D. Sulphur dioxide

10. Checking of re-radiating heat by atmospheric dust water vapour, ozone, CO2 is known as:

    A. Green house effect
    B. Radioactive effect
    C. Ozone layer effect
    D. Solar effect