ABA mostly acts as an antagonist of:
ASunlight hours
BGibberellins
CEthylene gas
DWater uptake
Answer & Solution
Correct answer: B. Gibberellins
1. ABA inhibits growth and germination.
2. Gibberellins promote them.
3. So ABA works against gibberellins.
_Source: NCERT Class 11 Biology, Chapter 15, Plant Growth and Development._
Related questions
Which part of the plant senses day length?Plants that flower only when light lasts longer than a critical time are:In a drought a hormone closes the stomata and is called the stress hormone. It is:Fruits ripen faster in a closed box thanks to a gas they release. The gas is:Grape growers spray a PGR to lengthen the bunch stalks. It is a:2,4-D kills dicot weeds in a lawn but spares the grass because it does not affect mature:Tea gardeners pinch off shoot tips so that:The growing apical bud stops side buds from growing. This is: