1. Indole-3-acetic acid
2. Abscisic acid
3. Indole butyric acid
4. Gibberellic acid
Abscisic acid
1. Auxin
2. Ethylene
3. Gibberellin
4. Cytokinin
Ethylene
1. The Stem likes sunlight
2. The roots send the message to the stem to do so
3. Due to differential secretion of growth promoting substances at the tip
4. The food material secretion of growth from leaves to stem causing bending
Due to differential secretion of growth promoting substances at the tip
1. Vernalisation
2. Etiolation
3. Phyllotaxy
4. Chlorosis
Etiolation
1. They have mineral deficiency
2. They are grown in dark
3. They are grown in intense light
4. They are grown in blue light
They are grown in dark
1. Valine
2. Methionine
3. Serine
4. Glutamic acid
Methionine
1. 2-4 D
2. IAA
3. ABA
4. GA
2-4 D
1. Gibberellins
2. Ethylene gas
3. Auxin
4. Cytokinin
5. Abscisic acid
Ethylene gas
1. Blast disease of rice
2. Bakanae disease of rice
3. Early blight disease of potato
4. Rust disease of wheat
Bakanae disease of rice
1. IAA
2. Gibberellin
3. Abscisic acid
4. Ethylene
Ethylene