Phytohormones are:

$(a)$ In roots, xylem and phloem in a vascular bundle are arranged in an alternate manner along the different radii.
$(b)$ Conjoint closed vascular bundles do not possess cambium
$(c)$ In open vascular bundles, cambium is present in between xylem and phloem
$(d)$ The vascular bundles of dicotyledonous stem possess endarch protoxylem
$(e)$ In monocotyledonous root, usually there are more than six xylem bundles present.

Choose the correct answer from the options given below:

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Which hormone promotes internode/petiole elongation in deep water rice?

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Which is the most important product of photosynthesis?

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In a longitudinal section of root, starting from the tip upward, the four zones occur in the $3$ following order:

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In mammals, the digestion of starch starts from:

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The process by which the chromosomes are separated in the sex cells and their number reduced from the diploid to haploid condition is known as

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