What reason will you assign for coconut milk used in tissue culture?
Gibberellins
Cytokinins
Auxins
Ehtylene
Anthesis is a phenomenon which refers to
reception of pollen by stigma
fomation of pollen
development of anther
opening of flower bud
Which combination of gases is suitable for fruit ripening?
80% CO2 and 20% CH2
80% CH4 and 20% CO2
80% CO2 and 20% O2
80% C2H4 and 20% CO2
What will be the effect on photochrome in a plant subjected to continuous red light?
Level of phytochrome decreases
phytochrome is destroyed
phytochrome synthesis increases
Destruction and synthesis of phytochrome remain equiliburium
Which one is a long -day plant?
Tobacco
Glycine Max
Mirabilis jalapa
Spinach
One of the synthetic auxin is
NAA
IAA
GA
IBA
Thigmotropism is best exhibited by
root apex
tendrils
thorns
lamina
The length of a plant can be increased by
periblem
dermatogen
apical meristem
lateral meristem
Abscisic acid causes
stomatal closure
stem elongation
leaf expansion
root elongation
Opening of flower and dropping of bud is an example of
hyponasty
epinastic movement
phototactic movement
movement of curvature
