$A$ genetically dwarf plant can be converted into a tall plant by the use of

Which hormone should be used in rosette varieties of beet and cabbage to promote bolting?

What are the full names of the following plant hormones?
$(1)$ $GA$
$(2)$ $ABA$

Cell elongation in the internodal region takes place due to

Spraying sugarcane crop with which of the following plant growth regulators increases the length of the stem,thus increasing the yield?

Which of the following is used to break the dormancy of potato tubers?