BIOMOLECULES AND ENZYMES

BIOLOGY

HORMONES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ A hormone that promotes cell division, or ____, in plants roots and shoots
A
Cytokinins
B
Abscisic acid
C
Cytokinesis
D
Auxins
Explanation: 

Detailed explanation-1: -Cytokinins are plant hormones which promotes cytokinesis or cell division. It also helps in opening of stomata, delaying ageing in leaves, etc.

Detailed explanation-2: -The stimulating growth factor was found to be cytokinin, a hormone that promotes cytokinesis (cell division). Almost 200 naturally-occurring or synthetic cytokinins are known, to date.

Detailed explanation-3: -Auxin (indole-3-acetic acid, IAA), produced in young shoot organs, promotes root development and induces vascular differentiation.

Detailed explanation-4: -Cytokinin is the hormone that is vital for cell proliferation and differentiation. It’s known that cytokinin plays a key role in many aspects of plant growth and development; including embryogenesis, maintenance of roots and shoot meristems, etc. Functions of cytokinin are:-cell division.

Detailed explanation-5: -Auxin is a well-characterized hormone that influences many plant developmental processes and acts as a positive regulator of root hair development (Paque and Weijers, 2016).

There is 1 question to complete.