Which of the statement is correct about Marchantia?
I. Plant body is thallus-like structures closely attached to substrate.
II. Sporophyte is differentiated into food, seta and capsule.
III. Gemma cup located on the thalli.

I and II

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I and III

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II and III

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I, II and III

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Solution

The correct option is D I, II and III
The vegetative plant body of Marchantia is a dorsiventral lobed thallus. The sporophyte of bryophytes is known as sporogonium. The sporogonium of Marchantia is differentiated into foot, seta and capsule. Asexual reproduction in Marchantia is takes place by the formation of gammae, which are located on the thalli.

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Similar questions

Q. Which of the following group of plants is being described by the given statements?
(i) The plant body is thalloid.
(ii) Asexual reproduction takes places by fragmentation of thalli, or by the formation of specialized structures called gemmae.
(iii) The sporophyte is differentiated into a foot, seta and capsule.
(iv) They grow usually in moist and shady habitats.

On the Basis of characters in group A and group B identify the correct:
$\begin{matrix} G r o u p - A & G r o u p - B (i) L a n d p l a n t & (i) L a n d p l a n t (i i) P l a n t b o d y f o r m s t h a l l u s & (i i) S p o r o p h y t e i s d i v i d e d r o o t, s t e m a n d l e a v e s (i i i) G e m m a c u p s p r e s e n t o n d o r s a l s u r f a c e & (i i i) V a s c u l a r t i s s u e i s p r e s e n t (i v) M u l t i c e l l u l a r s c a l e s a r e p r e s e n t & (i v) F r u i t s a r e a b s e n t (v) G a m e t o p h y t i c p l a n t b o d y & (v) S e e d s a r e p r e s e n t \end{matrix}$

Q. Which of the following statement (s) is/are correct about gemmae?

(i) They are specialised structures by which asexual reproduction take place in liverworts.

(ii) They are green, multicellular and asexual buds.

(iii) They develop in small receptacles called gemma cups.

(iv) They detach from the parent body and germinate to form new individuals.

Q. Which of the following statement(s) is/are correct about pteridophytes?
(i) The main plant body is a sporophyte which is differentiated into true roots, stem and leaves.
(ii) The leaves are small (microphylls) as in ferns or large (macrophylls) as in Selaginella.
(iii) Genera like Selaginella and Salvinia which produce two kinds of spores–macro (large) and micro (small) spores, are known as heterospores.
(iv) Common examples are Funaria, Polytrichum and Sphagnum.

Q. Plant body which is differentiated into rhizoids, leaf and stem like structures are seen in

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Which of the statement is correct about Marchantia? I. Plant body is thallus-like structures closely attached to substrate. II. Sporophyte is differentiated into food, seta and capsule. III. Gemma cup located on the thalli.

Which of the statement is correct about Marchantia?
I. Plant body is thallus-like structures closely attached to substrate.
II. Sporophyte is differentiated into food, seta and capsule.
III. Gemma cup located on the thalli.