The main causes of flood are:

Related Mcqs:

1. 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

2. 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

3. Practices for soil protection and flood control are:

   A. Afforestation with soil stabilization
   B. Protection from fire and grazing and cutting tree insect attack
   C. Delay in snow melting
   D. Encourage deep-rooted plants
   E. All of the above

4. Causes of accelerated erosion are:

   A. Removal of the natural vegetation cover
   B. Cultivation of land by crops which expose the soil to direct rain impact and runoff water
   C. Both (a) & (b)
   D. None of these

5. Forest fires cause millions of rupee of damage each year to the forest. Within the span of a few hours, hard work of generations of forest officers can be ruined. Causes of fires is / are :

   A. Burning of grass and undergrowth along patches frequented by villagers for easy passage
   B. Burning to facilitate the collection of minor produce
   C. Burning of grass by graziers for the sake of the tender grass, which comes up after a fire
   D. Fires caused by sparks from locomotive engines passing through the forest
   E. All of the above

6. Shifting cultivation by man causes is / are:

   A. Loss of valuable forested land, which is brought under a totally unproductive use
   B. Loss of valuable timber
   C. Accelerated erosion and other related features
   D. All of the above

7. Mercury pollution causes a disease:

   A. Methaelo binemia
   B. Minamata
   C. Foolish disease
   D. Hepatitis

8. Deforestation causes:

   A. Soil erosion
   B. Pollution
   C. No floods
   D. None of these

9. What are causes of shakes?

   A. To Kochler (1933), due unbalanced growth stresses or forces
   B. They may develop as a result of heavy frost
   C. Both (a) & (b)
   D. None of these

10. What is the causes of abnormal wood (CW/TW)?

    A. To Evarts and Mason (106) it is due to gravity
    B. Metzger (1908) says it is due to tension and compression
    C. Wersking and Baily, due to (1942) increase or decrease in plant hormones
    D. Philips says (1940), it is due to wind
    E. All of the above