Vessels are absent in

Annual rings are well seen in

Which of the following is absent in the phloem of $Pinus$?

Mycorrhiza is a symbiotic association between the roots of $Pinus$ and which of the following?

Assertion $(A)$: The scale leaves of $Araucaria$ are small and brown.
Reason $(R)$: The gametophyte stage of $Araucaria$ is long-lived and subterranean.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

Megasporophylls are found in