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The enzyme synthesises the complementary DNA strand of the desired gene from its mRNA is?

The hormone responsible for promoting root growth and apical growth is:

Which of the following element has a perforated cell wall?

Cut or excised leaves remain green for long if induced to root or dipped in_____

Which of the following tissue has primary function of supporting the plant organs? 

In plant, the cell walls of ___ cells are coagulated with the deposition of suberin which makes them impervious to water and air. 

Which of the following statement is not correct regarding the description of Parenchyma tissue? 

Which hormone is known as stress hormone that plays a important role in plant leaves abscission and abiotic stress tolerance

In the conditions of severe drought, the release of ___ plant hormone starts which closes the plant stomata.

The precursor of auxin is _____