The hormone that helps in parthenocarpy
Abscisic acid
Gibberellin
Ethylene
Cytokinin
Circadian rhythms are based on approximately a
2- hour period
7-day period
24- hour period
365- day period
IAA promotes enlargement of
stem
root
fruit
leaf
Auxins in plants are synthesized at
Nodes
Petiole
Meristems
Internodes
2,4 -D does affect:
Dicot weeds
Monocot weeds
Grasses
All
Dicotyledonous weeds are destroyed by a chemical called:
IAA
2-4 dichlorophenoxy acetic acid
Naphthalene acetic acid
Plants may be made to grow at a faster rate by applying a chemical called
Dichlorophenoxy acetic acid
Trichloropenoxy acetic acid
Gibberellic acid
Phosphon
Conversion of dwarf pea plant to taller pea plants is by the action of
ABA
Auxin
Gibberellins
All of the above
The use of iodised salt is recommended to prevent
diabetes
gonorrhoea
dysentery
goitre
Growth inhibiting hormones are
Cytokinin and Auxin
Auxin and gibberellin
ABA and ethylene
Indole - 3 - acetic acid
