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Question
On the basis of characters in group A and group B, identify the correct option.
On the basis of characters in group A and group B, identify the correct option.
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Solution
The correct option is C A - Marchantia, B - Cycas
Marchantia is a liverwort (bryophyte). The gametophytic plant body is thalloid and bears tiny cup-like structures called gemma cups, containing gemmae. Gemmae germinate to form a new organism. Multicellular scales with single cell thickness and unicellular rhizoids are present on the ventral surface of the thallus.
Marchantia polymorpha
Cycas is a gymnosperm. Sporophytic plant body attains a height of 8 to 15 feet or more and appears like a small palm tree. The plant body is differentiated into roots, stem and leaves. Xylem is present towards the inner side and consists of tracheids and xylem parenchyma. Vessels are absent. Phloem is present towards the outer side of the vascular bundle. Cycas produces naked seeds which are not enclosed inside a fruit.
Marchantia is a liverwort (bryophyte). The gametophytic plant body is thalloid and bears tiny cup-like structures called gemma cups, containing gemmae. Gemmae germinate to form a new organism. Multicellular scales with single cell thickness and unicellular rhizoids are present on the ventral surface of the thallus.
Marchantia polymorphaCycas is a gymnosperm. Sporophytic plant body attains a height of 8 to 15 feet or more and appears like a small palm tree. The plant body is differentiated into roots, stem and leaves. Xylem is present towards the inner side and consists of tracheids and xylem parenchyma. Vessels are absent. Phloem is present towards the outer side of the vascular bundle. Cycas produces naked seeds which are not enclosed inside a fruit.
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