Question

Which structural feature primarily enables upward movement of water against gravity in plants?

Name: Plant Water Relations: Osmosis, Transpiration & Guttation
Uploaded: 2026-09-25T04:36:03.000Z
Description: Strengthen this concept with a focused video on Plant Water Relations: Osmosis, Transpiration & Guttation, covering the essentials you should recall in exams.

Asked in RRB JE CBT 1 · 2025

Plant Water Relations · Biology

Exam PYQ4 Options

BiologyBotanyPlant Water RelationsRRB JE CBT 12025

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Quick Revision

Transpiration is the loss of water vapour, mainly through leaf stomata.

Correct AnswerCorrect option for this question

Option B — Lignified xylem vessels forming continuous columns

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Questions Asked from Plant Water Relations: Osmosis, Transpiration & Guttation in Previous Exams

See how often Plant Water Relations: Osmosis, Transpiration & Guttation has appeared in previous-year questions across major government exams.

High Exam Frequency

10UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2018, 2019, 2020, 2021, 2023, 2024

10SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026

8Railways Questions Asked in These Years:2016, 2018, 2020, 2021, 2022, 2024, 2025, 2026

13State PSC Questions Asked in These Years:2012, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

Plant Water Relations: Osmosis, Transpiration & Guttation has appeared in 41 previous-year exam questions, most frequently in State PSC, UPSC and SSC.

2-Minute Revision Notes