Most of the gymnosperms haveA. Only antheridiaB. Both anteridia and archegoniaC. Archegonia but not antheridiaD. Both absent

Most of the gymnosperms haveA. Only antheridiaB. Both anteridia and ar

1.	Most of the gymnosperms haveA. Only antheridiaB. Both anteridia and archegoniaC. Archegonia but not antheridiaD. Both absent
Answer» Correct Answer - c Archegonia is found in bryophytes, pteridophytes and gymnosperms and antheridia occurs in bryophytes and pteridophytes.

Discussion

No Comment Found

Related InterviewSolutions

Select the wrong statements :A. In Oomycetes, female gamete is smaller and motile, while male gamete is larger and non-motileB. Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamyC. Isogametes are similar in structure, function and behaviourD. Anisogametes differ either in structure, function or behaviour.
Which one of the following is wrongly matched ?A. Spirogyra-Motile gametesB. Sargassum-Chlorophyll cC. Basidiomycetes -PuffballsD. Nostoc - Water blooms
Riccia gametophyte develops from spore and ends inA. ThalllusB. CapsuleC. ZygoteD. Spore
In Riccia, gametophyte starts from spore and ends inA. ZygoteB. SporeC. CapsuleD. Prothallus
Adaxial outgrowth from the base of leaves in Selaginella is calledA. StipuleB. LiguleC. TrabaculaeD. Velum
Assertion: Mosses are evolved from algae. Reason: Protonema of mosses is similar to some green algae.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false
Select the correct match :A. Psilopsida - DryopterisB. Lycopsida - SelaginellaC. Sphenopsida - PterisD. Pteropsida - Equilsetum
In which one of the following male and female gametophytes do not have free living independent existenceA. CedrusB. PterisC. FunariaD. Polytrichum
How many prothallial cell(s) is/are present in male gametophyte of Pinus ?A. 4B. 1C. 2D. None
Assertion: Mosses are used as pollution indicators. ltbr. Reason: They absorb metals.A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false

Most of the gymnosperms haveA. Only antheridiaB. Both anteridia and archegoniaC. Archegonia but not antheridiaD. Both absent

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment