
Grade 12th pass10 grade science
Read the given paragraph where few words have been italicised. Cytokinins are the natural substances which enhance growth of stem but in same concentration are incapable of causing growth of intact root. Naphthalene acetic acid is natural whereas indole-3 acetic acid is synthetic auxin. Gibberellins inhibit growth and cause bolting in rosette plants. Abscisic acid stimulates growth and causes abscission of flowers and fruits. Ethylene induces ripening of climacteric fruits and formation of root hair. Select the correct option regarding it.
Read the given paragraph where few words have been italicised. Cytokinins are the natural substances which enhance growth of stem but in same concentration are incapable of causing growth of intact root. Naphthalene acetic acid is natural whereas indole-3 acetic acid is synthetic auxin. Gibberellins inhibit growth and cause bolting in rosette plants. Abscisic acid stimulates growth and causes abscission of flowers and fruits. Ethylene induces ripening of climacteric fruits and formation of root hair. Select the correct option regarding it.




