Plant Growth and Development
Which of the following plant growth regulators is a gaseous hormone?
Who discovered the plant hormone Gibberellin?
What is the primary precursor of Indole-3-acetic acid (IAA)?
Removal of shoot tips (decapitation) results in:
Which plant hormone is known as the 'stress hormone'?
Photoperiodism was first characterized in which plant?
Vernalisation refers to:
Sigmoid growth curve is a characteristic of:
Which of the following hormones helps in delaying leaf senescence?
The process of derivative cells from meristems losing their capacity to divide and taking up specific functions is called:
Which of the following pairs is incorrectly matched?
Which plant growth regulator is sprayed on sugarcane crops to increase the length of the stem, thus increasing the yield?
The Avena curvature test is used for the bioassay of:
Heterophyllous development in cotton, coriander, and larkspur is an example of:
Plant growth is open because:
Which of the following hormones is derived from adenine (N6-furfurylaminopurine)?
What type of curve is obtained when arithmetic growth is plotted?
Which one of the following synthetic auxins is widely used as a weedicide to kill broad-leaved weeds?
The hormone responsible for horizontal growth of seedlings, swelling of the axis, and apical hook formation in dicot seedlings is:
What triggers the formation of interfasicular cambium and cork cambium from fully differentiated parenchyma cells?