Which type of movement occurs in Oscillatoria?
Ciliary
Gliding
Cyclosis
Thermotaxis
Which of the following statements about stationary phase is true?
Growth is slow due to the utilization of reserve food materials
Growth is slow due to the limitation of nutrients.
Growth is high and reaches maximum
Both a and b
ABA was first isolated by:
Denny
F.W. Went
Haagen Smith
Addicott
The light sensitive seeds are called:
Photoblastic seeds
Holoblastic seeds
Phototropic seeds
Kinetin was first isolated by:
C.O.Miller and F. SKoog
Haagen Smit
Kurosawa
F.W.Went
Which of the following is a gaseous growth hormone?
IAA
GA3
Kinetin
Ethylene
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
A seed which is unable to germinate due to unfavourable environmental conditions is called:
Dormant seed
Quiescent seed
Natural seed
Rudimentary seed
The time interval from the formative phase to maturation phase is called:
Phase of elongation
Formative phase
Grand period of growth
Lag phase
Which of the following shows Richmond Lang effect?
Auxin
Gibberellin
Sugar