Select the correct options from the following:
$(i)$ Sapwood / Heartwood appears dark brown in color.
$(ii)$ Generally,pith is absent in Dicot root / Monocot root.

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?

Explain plant anatomy and its importance.

The branch of botany that deals with the internal study of plants is called .........

Members of $Winteraceae$,$Tetracentraceae$ and $Trochodendraceae$:

Distinguish between the following: Stele and vascular bundle.