Norman Borlaug, the American agricultural scientist and plant pathologist developed the high yield strains that greatly increased crop yields. He laid the groundwork for the green revolution and was awarded the Nobel Prize for Peace in ________

Related Mcqs:

1. Forage yield of grass depends on soil moisture after burning. In wet areas when there is enough presipitation after burning, forage yield can be increased by ________

   A. 50 percent
   B. 60 percent
   C. 70 percent
   D. 80 percent

2. Influence on crop yields is:

   A. Are carefully measured at various points on a line perpendicular to the center of the windbreak
   B. By calculation, it can be shown that the total potential yields for most crops will be 2-10% greater on the field
   C. Both (a) & (b)
   D. None of these

3. What are the contents of yield tables in term of main crop:

   A. Average diameter
   B. Average height
   C. Total basal area
   D. Number of trees
   E. All of the above

4. The non-green plants are as important as the green plants because they:

   A. Cause human disease
   B. Cause diseases of other plants
   C. Are useful in several industries
   D. Bring about decomposition of dead animals and plant remains

5. The first link in any food chain is a green plant because:

   A. They are widely distributed
   B. They are firmly fixed to soil
   C. They alone have the capacity to fix the atmospheric CO2 in the presence of sunlight
   D. There are more herbivorous animals than the carnivorous

6. Peacock eats a snake and snake eats frog and frog eats insect while insect eats green plant, then position of peacock is:

   A. Primary producer
   B. Secondary Producer
   C. Decomposer
   D. Apex of food pyramids

7. The natural nitrogen cycle is greatly affected by the excessive use of:

   A. Sulphate fertilizers
   B. Insecticides
   C. Phosphate fertilizers
   D. Nitrate fertilizers

8. To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:

   A. Ley farming
   B. Mulching
   C. Basin listing
   D. Strip cropping

9. Today, concentration of green house gases is high because of:

   A. Use of refrigerator
   B. Increased combustion of oil and coal
   C. Deforestation
   D. All the above

10. Plant groups growing in zones where high temperature alternates with low temperature are called:

    A. Megatherms
    B. Hekistotherms
    C. Microtherms
    D. Mesotherms