Biology
Adrenaline is a 'stress hormone' found in humans similarly the 'stress hormone' of plant is
- ethylene
- abscisic acid
- cytokinins
- auxin
Related Questions
Area of best vision and contains maximum cone cells
- Blind spot
- Red spot
- Blue spot
- Yellow spot
Chlorophyll is required in leaves for
- splitting of water in hydrogen and oxygen
- trapping sunlight
- storing food
- emitting light
The first heart sound (Lubb) is produced due to
- closure of tricuspid and bicuspid valves
- closure of aortic and pulmonary valves
- rushing of blood through valves producing turbulence
- entry of blood into auricles
The accidental discharges of petroleum in oceans or estuaries are
- industrial waste
- oil spills
- oil waste
- liquid spills