A. Lenticels
B. Cuticle
C. Stomata
D. All of these
Related Mcqs:
- 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. - Epiphytes are plants which depend on other plants for________?
A. food
B. mechanical support
C. shade
D. None of theseSubmitted by: Tauqeer Ahmad Rajput
- The Science of growing terrestrial plants in an aerated solution is_________?
A. Hydrodynamics
B. Hydroponics
C. Hydrotonics
D. None of them - 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 - Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?
A. White
B. Red
C. Blue
D. Green - Which of the following light is least absorbed by the plants?
A. Orange
B. Red
C. Blue
D. Green - The first ever vascular plants are_________?
A. Cooksonia
B. Selaginella
C. Adiantum
D. DryopterisSubmitted by: Shoaib Shah
- Linnaeus published the list of names of plants in___________?
A. 1752
B. 1753
C. 1754
D. 1755Submitted by: Muhammad Asif Gondal
- Which tissue of plants conducts food to its body?
A. Phloem
B. Parenchyma
C. Xylem
D. None of the aboveSubmitted by: Naveed Tahir
- Terrestrial plants carry out ________ of total photosynthesis on the earth?
A. 10%
B. 20%
C. 50%
D. None of theseSubmitted by: Muzaffar Ali
Advertisement