Keeping the frequency of nuclear tests, it is estimated that on an average the five nuclear powers conducted nuclear tests at the rate of:

Related Mcqs:

1. The first nuclear explosion was conducted by USA in:

   A. Jun-44
   B. Sep-44
   C. Jul-45
   D. Aug-45

2. It is estimated that ______ square km land has been converted to unproductive deserts in the last 50 years:

   A. 3.7 million
   B. 3.8 million
   C. 3.9 million
   D. 4 million

3. Germination tests is:

   A. Nurseries fail quite often as the seed collected is rather old rotten or does not have an embryo
   B. There are several methods to test seed germination percent but the most practical is to, to take a few samples from thoroughly mixed heap
   C. Both (a) & (b)
   D. None of these

4. Measurement of volume is conducted by which method / methods:

   A. Xylometer
   B. The top
   C. The stump
   D. Entire trees
   E. All of the above

5. Survey conducted by WAPDA has revealed that 2.0 M ha of land have become severely waterlogged affecting a population of million:

   A. 3.4
   B. 4.4
   C. 5.5
   D. 6.5

6. Flood frequency analysis based on:

   A. Flood data of past is collected and arranged in descending order
   B. Ranking of observation is carried out
   C. Probability of occurrence of certain flood is known
   D. All of the above

7. Flood flow and frequency analysis are:

   A. Flood flower peak discharge: Max quality or height (stage) of water during a period
   B. Flood stage: High water level human property or which overflows the normal banks of a stream
   C. Both (a) & (b)
   D. None of these

8. 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

9. The nuclear installation should be at a place where there is no inhabitation atleast within:

   A. 2 km
   B. 4 km
   C. 8 km
   D. 10 km

10. The following radioactive isotopes are formed by nuclear fission:

    A. Sr90, I131
    B. Cr51, Cu64
    C. Zr95, Mn54
    D. All of these