Select the number that can replace the question mark (?)

Which growth regulators are used for increasing curcumin content in turmeric rhizomes?

How many pollen grains are developed from a pollen mother cell?

When something in the landscape is repeated with a standard interval, it is called

Which technique uses double stranded RNA (dsRNA) as a trigger that targets homologous mRNAs for degradation or inhibiting its transcription translation?

Which reptile is characterized by the presence of four-chambered heart?

The effective post-emergence control of Ageratum houstonianum can be achieved with

Cell is the fundamental structural and functional unit of all living organisms. It was first discovered by ____

Installing 10-12 blue/yellow sticky traps per hectare is effective to manage: -

Chlorophyll.a,usually appears: 

A farmer can become an entrepreneur by