Solar energy emitted by sun reaches the earth surface absorbed and returned back in the form of___________________?

Related Mcqs:

1. Green vegetables are the source of___________________?

   A. Biotin
   B. Carbohydrates
   C. Folate
   D. Vitamin

2. Hot desert has mean annual temperature of___________________?

   A. 50°C
   B. 40°C
   C. 30°C
   D. None of the above

3. The heating of atmosphere by gases that are transparent to sun light but opaque to radiated heat is called________________?

   A. Green house effect
   B. Pollution
   C. Warming
   D. Solar radiation

4. the layer of atmosphere which blocks ultraviolet radiation from sun is___________________?

   A. Stratosphere
   B. Ozone
   C. Ozosphere
   D. All the above

5. The wearing away of the land surface by wind, water, ice or other geological agent is called__________________?

   A. Seepage
   B. Soil conservation
   C. Erosion
   D. fertility depletion

6. The given off water vapours from the surface of leaves is called________________?

   A. Transpiration
   B. Respiration
   C. Exudation
   D. Evaporation

7. Hitting the seed with force against a hard surface to break seed dormancy is called_______________?

   A. Impaction
   B. Abrasion
   C. Stratification
   D. Scarification

8. Losses of soil moisture vapour form is called as_________________?

   A. Evaporation
   B. Transpiration
   C. Translocation
   D. Both A and B

9. Foliar application of nitrogen means applying nitrogen in solution form to___________________?

   A. Whole plant
   B. Leaves
   C. Stem only
   D. Flowers only

10. The available form of nitrogen for plants is_________________?

    A. NO₃
    B. NH₄
    C. Both a and b
    D. non of these