NEET UG 2023 — Plant Kingdom

Which classes of algae possess pigment fucoxanthin and pigment phycoerythrin, respectively?

Given below are two statements: One is labelled as Assertion (A) and the other is 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 correct answer from the options given below:

Identify the pair of heterosporous pteridophytes among the following:

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R : Assertion A : In gymnosperms the pollen grains are released from the microsporangium and carried by air currents. Reason R: Air currents carry the pollen grains to the mouth of the archegonia where the male gametes are discharged and pollen tube is not formed. In the light of the above statements, choose the correct answer from the options given below:

Match List-I with List-II.  Choose the correct answer from the options given below :