BIOMOLECULES AND ENZYMES

BIOLOGY

HORMONES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is function of cytokinin
A
Cell division
B
Stem formation
C
Stops apical dominance
D
Opens stomata
E
All
Explanation: 

Detailed explanation-1: -Cytokinins are essential plant hormones . By stimulating cell division, they regulate shoot meristem size, leaf primordia number, and leaf and shoot growth. They can stimulate both the differentiation and the outgrowth of axillary buds. The cytokinins can mediate axillary bud release from apical dominance.

Detailed explanation-2: -Cytokinins are synthesized in the root apex of plants. The two functions of cytokinins include an increase in cell division and delay of senescence.

Detailed explanation-3: -It is a plant hormone influencing the stimulation and growth of cell division. These are synthesized in the roots and typically are derived from adenine. They are critical in the processes of cell differentiation and normal growth, which takes place in the fruits and leaves.

Detailed explanation-4: -These cytokinins include the abundant natural cytokinins trans-zeatin (tZ) and isopentyladenine (iP), as well as dihydrozeatin, benzyladenine, kinetin, and in some cases cis-zeatin. Benzyladenine and kinetin were initially produced synthetically but also occur at low levels naturally in some species.

Detailed explanation-5: -Cytokinins (CK) are a class of plant hormones that promote cell division, or cytokinesis, in plant roots and shoots. They are involved primarily in cell growth and differentiation, but also affect apical dominance, axillary bud growth, and leaf senescence.

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