Match the following:

Column-$I$	Column-$II$
$(a)$. Hypodermis in dicot stem	$(i)$. Absent
$(b)$. Pericycle in dicot stem	$(ii)$. Parenchymatous
$(c)$. Ground tissue in monocot stem	$(iii)$. Collenchymatous
$(d)$. Phloem parenchyma in monocot stem	$(iv)$. Sclerenchymatous

In which plant group is the structure shown below found?

Which of the following statement$(s)$ is/are true?
$(A)$ Uneven thickening of cell wall is characteristic of sclerenchyma.
$(B)$ Periblem forms cortex of the stem and the root.
$(C)$ Tracheids are the chief water transporting elements in gymnosperms.
$(D)$ Companion cell is devoid of nucleus at maturity.
$(E)$ The commercial cork is obtained from $Quercus$ $suber$.

Read the following four statements $(A-D)$:
$(A)$ Both photophosphorylation and oxidative phosphorylation involve uphill transport of protons across the membrane.
$(B)$ In dicot stems,a new cambium originates from cells of pericycle at the time of secondary growth.
$(C)$ Stamens in flowers of Gloriosa and Petunia are polyandrous.
$(D)$ Symbiotic nitrogen fixers occur in free-living state also in soil.
How many of the above statements are right?

Match the following:

Column-$I$	Column-$II$
$(a)$ Dicot leaf	$(p)$ Polyarch
$(b)$ Dicot stem	$(q)$ Palisade and spongy mesophyll
$(c)$ Monocot root	$(r)$ Endarch
$(d)$ Monocot leaf	$(s)$ Bulliform cell

Distinguish between the following: Protoxylem and metaxylem.