MCQ
Plants growth is:
- ALimited
- ✓Unlimited
- CNon-localised
- DNone of these
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$(a)$ 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:
| Column $-I$ | Column $-II$ |
| $(A)$ Robert Hooke | $(1)$ Mutation theory |
| $(B)$ Charles Darwin | $(2)$ Swan-necked flask experiment |
| $(C)$ Hugo de vries | $(3)$ Origin of species |
| $(D)$ Louis pasteur | $(4)$ Micrographia |