C4 Plants means:

Related Mcqs:

1. 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

2. Those chemicals which are produced by plants and affect other plants are broadly called:

   A. Depresants
   B. Allomones
   C. Allelochemics
   D. Kairomones

3. Among the plants listed, point out one that does not fit into ecological group represented by the other plants:

   A. Acacia
   B. Aloe
   C. Euphorbia
   D. Rhizophora

4. Among the plants listed, point out one that does not fit into biological group represented by other plants

   A. Euphorbia
   B. Acacia
   C. Vallisneria
   D. Aloe

5. C3 plants means:

   A. A group of plants including the soya bean wheat and cotton
   B. The process of carbon fixation during photosynthesis
   C. The prod use a compound essential for growth that consists of molecules each containing three atoms of carbon
   D. All of the above

6. Hydrophytes (Aquatic Plants) means:

   A. A reduction of the protective, conducting and supporting tissues
   B. Absences of palisade tissue
   C. Both (a) & (b)
   D. None of these

7. Hygrophytes (Moisture loving plants) means:

   A. The pants are usually stunted in growth
   B. Roots and stem are poorly developed
   C. Leaves are large and tend to avoid water less lam transpiration
   D. All of the above

8. Green manuring plants are:

   A. Egyptian clover (barseem)Trifolium alexandrnum
   B. Dhaincha (jayannti) Sesbania aculeata
   C. Cowpea (lobia) Vigna sinensis
   D. All of the above

9. The device or structure where plants are grown in a controlled environment:

   A. Culture chamber
   B. Inoculation chamber
   C. Phytotron
   D. All of these

10. There are major types of plants used for landscaping are:

    A. Tree
    B. Shrubs
    C. Vines or climbers
    D. Flowers
    E. All of the above