कौन सा पादप हार्मोन प्रकाशानुवर्तन (phototropism) को प्रेरित करता है, जिससे पौधे का तना प्रकाश की ओर झुक जाता है?

Which plant hormone is primarily responsible for promoting cell division (cytokinesis)?

Which plant hormone is primarily responsible for cell elongation and phototropism?

Which plant hormone is primarily responsible for the ripening of fruits?