According to Lindemann, the total solar input in terms of gcal/cm2/year is:

Related Mcqs:

1. From gross production of autotrophs, according to Lindemann, how much energy in gcal/cm2/year is used in respiration and decomposition respectively:

   A. 78.2, 29.3
   B. 78.2, 3.5
   C. 29.3, 3.5
   D. 23.9, 5.3

2. According to Lindemann, the percentage of net production passed on to carnivores is:

   A. 28.6
   B. 26.8
   C. 22.6
   D. 22.8

3. The percentage of light from total solar input utilized by plants:

   A. About 1%
   B. 3 – 5%
   C. 7 – 8%
   D. 14%

4. In a sugarcane field the net productivity in terms of kg/m2/year, is:

   A. 0.2-0.4
   B. 2?4
   C. 4?6
   D. 0.6-0.8

5. According to Odum the light absorbed by the plant cover in terms of kcal/m2/day is:

   A. 150
   B. 1,500
   C. 300
   D. 3,000

6. The solar radiations are the sole source of:

   A. Energy
   B. Materials
   C. Both (a) & (b)
   D. Standing state

7. Which of the following food chain may not be directly dependent upon solar energy?

   A. Grazing
   B. Detritus
   C. Soaking
   D. Depleting

8. According to Odum, the percentage of net primary production of total light intake is:

   A. 10%
   B. 0.15%
   C. 1%
   D. 1.50%

9. The reservoir of Mangla is being silted at the rate of 48.27 million m3 per year and that of Tarbela at the rate of _____ million cubic meters per year:

   A. 160.5
   B. 167.75
   C. 170.6
   D. 175.8

10. Tarbela dam is being silted at ______ acre feet per year while Mangla is being silted at a rate of _____ acre feet per year due to misuse of their watershed area:

    A. 109000, 42,000
    B. 110000, 43000
    C. 115000, 44,000
    D. None of these