Plant Growth an...

Cholodony and Went effect is due to

Two different plants associated with discovery of two different phytohormones having common biosynthetic precursor exhibit one of the following characters each
I. Versatile anthers  II. Compound spadix  III. Pentalocular ovary  IV. Trifoliate compound leaves

Match the lists and find the correct options.

Which one is growth regulator produced by plants?

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of a freshly cut coleoptile stumps. Of what significance is this experiment.

Identify the correct pair of combinations.
(i) Zeatin - adenine derivative - overcoming apical dominance
(ii) $${C}_{2}{H}_{4}$$ - indole compound - effective in fruit ripening
(iii) ABA - carotenoid derivative - induction of parthenocarpy
(iv) $$G{A}_{3}$$ - terpene - bolting in cabbage

The cells derived from meristems differentiate and regain the capacity to divide by a phenomenon called

Horizontal growth of seedlings, swelling of axis and apical hook formation in dicot seedlings is brought about by

Biosynthesis of cytokinin takes place via

Plant hormones used for inducing morphogenesis in plant tissue culture is