Plant Kingdom
- Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as
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Archegonia of a particular species recognises antherozoids (sperms) of the same species through release of chemical. In Pteris, archegonia produces malic acid which attracts sperms of Pteris only for fertilization.
Correct Option: D
Archegonia of a particular species recognises antherozoids (sperms) of the same species through release of chemical. In Pteris, archegonia produces malic acid which attracts sperms of Pteris only for fertilization.
- Moss peristome takes part in
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Peristomes are teeth present in the capsule of moss. These are in two rows and helps in the dispersal of the spores due to hygroscopic nature.
Correct Option: A
Peristomes are teeth present in the capsule of moss. These are in two rows and helps in the dispersal of the spores due to hygroscopic nature.
- Apophysis in the capsule of Funaria is
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Capsule of Funaria is differentiated into :
(1) Operculum – upper part - forms lid
(2) Theca – Middle – fertile part
(3) Apophysis – lower part -photosyntheticCorrect Option: A
Capsule of Funaria is differentiated into :
(1) Operculum – upper part - forms lid
(2) Theca – Middle – fertile part
(3) Apophysis – lower part -photosynthetic
- Bryophytes are amphibians because
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Bryophytes are amphibians because they complete their vegetative phase on land but water is necessary for their reproductive phase.
Correct Option: A
Bryophytes are amphibians because they complete their vegetative phase on land but water is necessary for their reproductive phase.
- Protonema occurs in the life cycle of
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In Funaria, the spore germinates to form a green multicellular structure called as protonema which later on develops into gametophyte. Presence of protonema is a characteristic feature of moss.
Correct Option: B
In Funaria, the spore germinates to form a green multicellular structure called as protonema which later on develops into gametophyte. Presence of protonema is a characteristic feature of moss.