The statements about plant growth hormones that are made below:
1. Ethylene regulates abscission.
2. Gibberellins do not play any role in flowering.
3. Auxin and cytokinin promote cell division.
4. Over expression of cytokinin oxidase would promote root growth.
5. ABA inhibits root growth and promotes shoot growth at low water potential.
6. ABA promotes leaf senescence independent of ethylene.
Which one of the following combination of above statements is correct?
1
1, 3 and 6
2
2, 3 and 4
3
4, 5 and 6
4
2, 4 and 5
5
Question Not Attempted