Gibberellins
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338036 Which of the following statements regarding gibberellins is incorrect?

1 All GAs are acidic
2 Spraying sugarcane crop with gibberellins increases the length of the stem
3 Spraying GA on conifers causes late seed production
4 Dwarfness can be controlled by treating the plant with \(\mathrm{GA}_{3}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338037 Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

1 Auxin
2 Gibberellin
3 Cytokinin
4 Abscisic acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338038 Identify the correct function of GA.
I. Acts as general plant growth inhibitor and an inhibitor of plant metabolism.
II. Plays an important role in seed development, maturation and dormancy
III. Helps seeds withstand desiccation and other factors unfavourable for growth.

1 I
2 I, II
3 I, II, III
4 None of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338039 Which of the following was first reported gibberellins to be discovered?

1 \(\mathrm{GA}_{1}\)
2 \(\mathrm{GA}_{2}\)
3 \(\mathrm{GA}_{3}\)
4 \(\mathrm{GA}_{100}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338036 Which of the following statements regarding gibberellins is incorrect?

1 All GAs are acidic
2 Spraying sugarcane crop with gibberellins increases the length of the stem
3 Spraying GA on conifers causes late seed production
4 Dwarfness can be controlled by treating the plant with \(\mathrm{GA}_{3}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338037 Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

1 Auxin
2 Gibberellin
3 Cytokinin
4 Abscisic acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338038 Identify the correct function of GA.
I. Acts as general plant growth inhibitor and an inhibitor of plant metabolism.
II. Plays an important role in seed development, maturation and dormancy
III. Helps seeds withstand desiccation and other factors unfavourable for growth.

1 I
2 I, II
3 I, II, III
4 None of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338039 Which of the following was first reported gibberellins to be discovered?

1 \(\mathrm{GA}_{1}\)
2 \(\mathrm{GA}_{2}\)
3 \(\mathrm{GA}_{3}\)
4 \(\mathrm{GA}_{100}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338036 Which of the following statements regarding gibberellins is incorrect?

1 All GAs are acidic
2 Spraying sugarcane crop with gibberellins increases the length of the stem
3 Spraying GA on conifers causes late seed production
4 Dwarfness can be controlled by treating the plant with \(\mathrm{GA}_{3}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338037 Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

1 Auxin
2 Gibberellin
3 Cytokinin
4 Abscisic acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338038 Identify the correct function of GA.
I. Acts as general plant growth inhibitor and an inhibitor of plant metabolism.
II. Plays an important role in seed development, maturation and dormancy
III. Helps seeds withstand desiccation and other factors unfavourable for growth.

1 I
2 I, II
3 I, II, III
4 None of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338039 Which of the following was first reported gibberellins to be discovered?

1 \(\mathrm{GA}_{1}\)
2 \(\mathrm{GA}_{2}\)
3 \(\mathrm{GA}_{3}\)
4 \(\mathrm{GA}_{100}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338036 Which of the following statements regarding gibberellins is incorrect?

1 All GAs are acidic
2 Spraying sugarcane crop with gibberellins increases the length of the stem
3 Spraying GA on conifers causes late seed production
4 Dwarfness can be controlled by treating the plant with \(\mathrm{GA}_{3}\)
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338037 Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

1 Auxin
2 Gibberellin
3 Cytokinin
4 Abscisic acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338038 Identify the correct function of GA.
I. Acts as general plant growth inhibitor and an inhibitor of plant metabolism.
II. Plays an important role in seed development, maturation and dormancy
III. Helps seeds withstand desiccation and other factors unfavourable for growth.

1 I
2 I, II
3 I, II, III
4 None of them
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338039 Which of the following was first reported gibberellins to be discovered?

1 \(\mathrm{GA}_{1}\)
2 \(\mathrm{GA}_{2}\)
3 \(\mathrm{GA}_{3}\)
4 \(\mathrm{GA}_{100}\)