Comprehension

Study the given chart showing evolution of plants. Answer the following questions :

Question: 1

Identify the plant which acts as an immediate ancestor of both ferns and conifers from the given evolutionary chart.

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To find an immediate common ancestor on an evolutionary tree, locate the specific node where the lines of the two organisms in question intersect when traveling backward from top to bottom.

Updated On: Aug 16, 2026

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Question: 2

Name the nearest ancestors of flowering plants according to the evolutionary sequence of plants.

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Seed ferns (Pteridosperms) are considered a crucial transitional link in evolutionary botany because they possessed fern-like foliage but reproduced using specialized seed-like structures.

Updated On: Aug 16, 2026

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Question: 3

Name the most primitive group of plants mentioned in the foundational evolutionary pathways.

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Chlorophytes are green algae containing chlorophyll $a$ and $b$. They are universally accepted as the structural and biochemical ancestors of all modern land plants (Embryophytes).

Updated On: Aug 16, 2026

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Question: 4

Psilophyton provides common ancestry to which of the following groups or classes of plants?

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Psilophyton is a genus of extinct Devonian vascular plants that marks a critical evolutionary milestone where vascular systems became highly complex and specialized.

Updated On: Aug 16, 2026

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Question: 5

Name the common ancestor of Psilophyton and seed ferns based on the evolutionary progression.

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Tracheophytes are distinguished by their well-developed vascular bundle system. Their ancestors marked the successful colonization of land via structural support mechanisms.

Updated On: Aug 16, 2026

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Question: 6

Name the foundational common ancestor that connects non-vascular mosses and vascular tracheophytes.

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All embryophytes (land plants) share a monophyletic origin tracing back to ancient green green algae (Chlorophyta), emphasizing their shared biochemical framework like starch storage and cell walls.

Updated On: Aug 16, 2026

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