- ✓Metacentric
- BAcrocentric
- CConcentric
- DAcentric
(a) Metacentric chromosomes are $'V'$ shaped in which centromere is situated in the mid portion of chromatids.
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$(A)$ $(B)$
$X$ in the given statement refers to
$(a)$ 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:
$I.PS-II$ $II$. $NADP$ reductase $III$. non-cyclic photophosphorylation
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