Gibberellic acid has been successfully employed to induce flowering in:
Long day plants under short day conditions
Short day plants under long day conditions
Day neutral plants
All of the above
Shedding of leaves, flowers or fruits due to change in the hormonal balance is called:
Ageing
Senescence
Abscision
Drying
Physiological enigma of the living world is:
Seeds
Fruits
Embryo
Roots
Daily duration of light is referred to as:
Critical day length
Photoperiod
Critical dark period
Light period
Ciliary movements are seen in which of the following organisms?
Volvox
Chlamydomonas
Paramecium
All the above
Which one of the following is an anti gibberellin?
Ethylene
Kinetin
Abscisic acid
Zeatin
Which type of movement occurs in Oscillatoria?
Ciliary
Gliding
Cyclosis
Thermotaxis
Which hormone delays senescence?
Cytokinins
Gibberellins
Which of the following shows Richmond Lang effect?
Auxin
Gibberellin
Sugar
The increase in girth or thickness of the plants is by a type of growth called:
Primary growth
Secondary growth
Lateral growth
Apical growth
