All plants do not possess___________?

Related Mcqs:

1. Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Ethene.

2. Epiphytes are plants which depend on other plants for________?

   A. food
   B. mechanical support
   C. shade
   D. None of these

   Submitted by: Tauqeer Ahmad Rajput

3. The Science of growing terrestrial plants in an aerated solution is_________?

   A. Hydrodynamics
   B. Hydroponics
   C. Hydrotonics
   D. None of them

4. Of the following which one is not the characteristic of the plants included in psilopsida_____________?

   A. Gametophyte is colourless
   B. They have mycorrhizal association
   C. Rhizoids bear Rhizome
   D. Aerial branches have veinless outgrowths

5. Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?

   A. White
   B. Red
   C. Blue
   D. Green

6. Which of the following light is least absorbed by the plants?

   A. Orange
   B. Red
   C. Blue
   D. Green

7. The first ever vascular plants are_________?

   A. Cooksonia 
   B. Selaginella
   C. Adiantum
   D. Dryopteris

   Submitted by: Shoaib Shah

8. Linnaeus published the list of names of plants in___________?

   A. 1752
   B. 1753
   C. 1754
   D. 1755

   Submitted by: Muhammad Asif Gondal

9. Which tissue of plants conducts food to its body?

   A. Phloem
   B. Parenchyma
   C. Xylem
   D. None of the above

   Submitted by: Naveed Tahir

10. Terrestrial plants carry out ________ of total photosynthesis on the earth?

    A. 10%
    B. 20%
    C. 50%
    D. None of these

    Submitted by: Muzaffar Ali