Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively ?
Which of the following statements is true?
Identify the pair of heterosporous pteridophytes among the following :
Given below are two statements : One labelled as Assertion A and the other labelled as Reason R:
Assertion A : The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason R : Protonema develops directly from spores produced in capsule.
In the light of the above statements, choose the most appropriate answer from options given below: