Question

In pteridophytes, reproductive evolution involves heterospory and gametophyte reduction. How is this distinction represented in Selaginella and Equisetum?

Asked in UP PGT (Biology) · 2026
Plant Kingdom · Biology
Exam PYQ4 Options
BiologyDiversity in The Living WorldPlant KingdomPteridophytesUP PGT (Biology)2026
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Meristematic tissue contains actively dividing plant cells.

Correct AnswerCorrect option for this question
Option B — Selaginella is heterosporous with endosporic gametophytes, whereas Equisetum is homosporous with relatively free-living gametophytes

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12UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2021, 2024
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13State PSC Questions Asked in These Years:2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2023, 2024
Algae: Types, Structure & Economic Importance has appeared in 42 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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