(A) Mosses (Bryophytes) and ferns (Pteridophytes) are found in moist and shady habitats because they require water for the process of fertilization.In

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Require presence of water for fertilization

(A) Mosses (Bryophytes) and ferns (Pteridophytes) are found in moist and shady habitats because they require water for the process of fertilization.In these plants,the male gametes (antherozoids) are flagellated and motile,and they need a film of water to swim to the female gamete (egg) to achieve fertilization.Therefore,the presence of water is an essential external factor for their sexual reproduction.

Class 11 Biology Plant Kingdom Mix Examples- Plant Kingdom

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Mosses and ferns are found in moist and shady places because both

AIIMS 2004 All AIIMS

A
Require presence of water for fertilization
B
Do not need sunlight for photosynthesis
C
Depend for their nutrition on micro-organisms which can survive only at low temperature
D
Cannot compete with sun-loving plants

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What are seed-bearing plants called?

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When the sperms of $Funaria$ and $Pteris$ are put together near the archegonia of $Pteris$,only the sperms of $Pteris$ readily enter the archegonia and reach the egg. The reason being that

MediumAIPMT 1989

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MediumAIPMT 1995

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Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in a dicot; leaf cell of a moss; prothallus cell of a fern; gemma cell in Marchantia; meristem cell of a monocot; ovum of a liverwort; and zygote of a fern.

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Mosses and ferns are found in moist and shady places because both

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What is the direct formation of a gametophyte from a sporophyte called?

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When the sperms of $Funaria$ and $Pteris$ are put together near the archegonia of $Pteris$,only the sperms of $Pteris$ readily enter the archegonia and reach the egg. The reason being that

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Mention the ploidy of the following: protonemal cell of a moss; primary endosperm nucleus in a dicot; leaf cell of a moss; prothallus cell of a fern; gemma cell in Marchantia; meristem cell of a monocot; ovum of a liverwort; and zygote of a fern.

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