MCQ
The main function of abscisic acid in plants is :
- ATo promote cell division.
- ✓To inhibit growth.
- CTo promote growth of stem.
- DTo increase the length of cells.
✓
Answer
Correct option: B.
To inhibit growth.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The animals called predators have :
The control rods used in the reactor of a nuclear power plant are made of :
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are :
→- Large chromosome.
- Small chromosome.
- $Y$ chromosome.
- $X$ chromosome
An animal which reproduces by the process of budding is :
The method of asexual reproduction in plants in which callus is produced is :
Four metal rods are placed, in turn, inside a coil of copper wire.
The table below gives the results of the experiment. Which rod would be the most suitable to use for the case of a coil in a circuit breaker?
→The table below gives the results of the experiment. Which rod would be the most suitable to use for the case of a coil in a circuit breaker?
| Metal rod | Number of paper clips picket uo when thre is a current in the coil | Number of paper clips attracted when the current is switched off |
| $(a)$ | $1$ | $0$ |
| $(b)$ | $20$ | $2$ |
| $(c)$ | $35$ | $0$ |
| $(d)$ | $35$ | $30$ |
The least reactive metal among the following is :
The hydrocarbon which has alternate single and double bonds arranged in the form of a ring is:
The colours of aqueous solution of $\text{CuSO}_{4}$ and $\text{FeSO}_{4}$ as observed in the laboratory are:
→If copper is kept exposed to damp air for a considerable time, it gets a green coating on its surface. This is due to the formation of :