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

Related Mcqs:

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

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

2. The branch of Science which deals cultivation of land is called________________?

   A. Geology
   B. Agriculture
   C. Horticulture
   D. Petrology

3. The living together of two or more species in a prolonged and intimate ecological relationship is called________________?

   A. Symbiosis
   B. Biosystem
   C. Auto environment
   D. Climate

4. The harmful influence of one living plant on another living plant by the secretion of a toxic substance is called________________?

   A. Allergy
   B. Allelopathy
   C. Parasitism
   D. Antagorusm

5. The process of converting food nutrients to carbohydrates in plants is called________________?

   A. Metabolism
   B. Photosynthesis
   C. Absorption
   D. Assimilation

6. Plants which change from the vegetative to the reproductive stage by producing flowers and fruits when the day become longer is called________________?

   A. Long day plants
   B. Short day plants
   C. Photoperiod
   D. Phototropism

7. Growing more then one crop in a season in the same land is called________________?

   A. Monocropping
   B. Double cropping
   C. Intensive cropping
   D. Intercropping

8. The productive branches of cotton are called________________?

   A. Monopodial branches
   B. Sympodial branches
   C. Fruiting branches
   D. non of these

9. The amount of water required to rise a crop to matunty with in a given period of time is called________________?

   A. Water frequency
   B. Water depletion
   C. Water balance
   D. Crop Water requirement

10. Conducting experiments in glasses is called________________?

    A. Invitro
    B. Invivo
    C. In-ova
    D. In-sin