Question 27 Sporophylls can be uncovered in which of the following? O pterophytes (psilotopsida) Oliverworts O...


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Inquiry 27 Sporophylls can be uncovered in which of the following? O pterophytes (psilotopsida) Oliverworts O mosses O charophytes O hornworts
What polymer was important to giving protection for the spores of land plants? lignin O sporopollenin O chitin O additional compounds O cellushed

27Q Ans: PTEROPHYTES is the correct answer.

Sporophylls are checked out in PTEROPHYTES (psilotopsida)

Sporophyll is a leaf that bears sporangia(spore developing structures). Instances are FERNS which contain sporophyll as normal foliate leaves. PTEROPHYTES are the seedmuch less vascular plants that has actually sporophylls which helps in dispersing spores. They donot have fruits or seeds. Their mode of reproduction is hidden. PTEROPHYTES are the first true land also plants.

PTEROPHYTES has 4classes namely:

Psilotopsida Lyfopsida Sphenopsida Pteridopsida

Q)Ans : SPOROPOLLENIN is the correct answer

The spores of the seedless land also plants and pollens of seed plants are surrounded by a thick wall which contains a tight polymer known as SPOROPOLLENIN. sporopollenin was the major component of the outer(exine) walls of the spores.

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