Gibberellins
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338019 Statement A :
Spraying juvenile conifers with GAs hastens the maturity period, thus leading to early seed production.
Statement B :
Gibberellins also promotes bolting (internode elongation just prior to flowering) in beet, cabbages and many plants with rosette habit.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338020 Parthenocarpic tomato fruits can be produced by

1 Removing androecium of flowers before pollen grains are released
2 Raising the plants from vernalised seeds
3 Treating the plants with low concentration of gibberellic acid & auxins
4 Treating the plants with phenyl mercuric acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338021 To increase sugar production in sugarcanes, they are sprayed with

1 IAA
2 Cytokinin
3 Gibberellin
4 Ethylene
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338022 How can gibberellins help to extend the market period?

1 It delays senescence
2 Increases ripening period
3 Increases flowering time
4 It promotes senescence
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338019 Statement A :
Spraying juvenile conifers with GAs hastens the maturity period, thus leading to early seed production.
Statement B :
Gibberellins also promotes bolting (internode elongation just prior to flowering) in beet, cabbages and many plants with rosette habit.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338020 Parthenocarpic tomato fruits can be produced by

1 Removing androecium of flowers before pollen grains are released
2 Raising the plants from vernalised seeds
3 Treating the plants with low concentration of gibberellic acid & auxins
4 Treating the plants with phenyl mercuric acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338021 To increase sugar production in sugarcanes, they are sprayed with

1 IAA
2 Cytokinin
3 Gibberellin
4 Ethylene
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338022 How can gibberellins help to extend the market period?

1 It delays senescence
2 Increases ripening period
3 Increases flowering time
4 It promotes senescence
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338019 Statement A :
Spraying juvenile conifers with GAs hastens the maturity period, thus leading to early seed production.
Statement B :
Gibberellins also promotes bolting (internode elongation just prior to flowering) in beet, cabbages and many plants with rosette habit.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338020 Parthenocarpic tomato fruits can be produced by

1 Removing androecium of flowers before pollen grains are released
2 Raising the plants from vernalised seeds
3 Treating the plants with low concentration of gibberellic acid & auxins
4 Treating the plants with phenyl mercuric acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338021 To increase sugar production in sugarcanes, they are sprayed with

1 IAA
2 Cytokinin
3 Gibberellin
4 Ethylene
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338022 How can gibberellins help to extend the market period?

1 It delays senescence
2 Increases ripening period
3 Increases flowering time
4 It promotes senescence
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338019 Statement A :
Spraying juvenile conifers with GAs hastens the maturity period, thus leading to early seed production.
Statement B :
Gibberellins also promotes bolting (internode elongation just prior to flowering) in beet, cabbages and many plants with rosette habit.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338020 Parthenocarpic tomato fruits can be produced by

1 Removing androecium of flowers before pollen grains are released
2 Raising the plants from vernalised seeds
3 Treating the plants with low concentration of gibberellic acid & auxins
4 Treating the plants with phenyl mercuric acid
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338021 To increase sugar production in sugarcanes, they are sprayed with

1 IAA
2 Cytokinin
3 Gibberellin
4 Ethylene
BIOXI15: PLANT GROWTH AND DEVELOPMENT

338022 How can gibberellins help to extend the market period?

1 It delays senescence
2 Increases ripening period
3 Increases flowering time
4 It promotes senescence