Assertion $(A)$: Algae and fungi are classified as thallophytes.
Reason $(R)$: They both are autotrophs.

The movement of sperms towards the archegonial necks in response to chemical substances released by the archegonia is known as:

In bryophytes and pteridophytes,transport of male gametes requires

Which of the following is an incorrect pair?

Select the correct option by matching the given groups $(i)$ red algae,$(ii)$ green algae,$(iii)$ bryophytes,and $(iv)$ Pteridophytes with their respective characteristics $(P, Q, R, S)$:
$(P)$ Their gametophyte is called prothallus.
$(Q)$ Rhizoids are present,but they are not true roots.
$(R)$ Pyrenoids contain protein besides starch.
$(S)$ Red pigment,$r$-phycoerythrin,is present in their body.
Match the groups $(i, ii, iii, iv)$ with the characteristics $(P, Q, R, S)$ and select the correct sequence.

What is common among $Porphyra$,$Agaricus$,$Chlorella$,and $Spirulina$?