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Plant physiology

6 PYQ across 4 exams · 1984–2024 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1984 → CAPF 2019 → GEO 2021 → CDS 2023
19841 PYQ
CSEQ27
Sir J. C. Bose was a great scientist because he showed the…
20191 PYQ
CAPFQ53
Epidermal cells of plant roots increase their absorption surface by having…
20211 PYQ
GEOQ35
Plants, which survive by withdrawing water from their cells to prevent ice formation during extreme cold up to -40 °C, are known as:…
20231 PYQ
CDSQ46
Water goes up through xylem vessels in tall trees. The process in plants and properties of water that help in upward movement are :…
20242 PYQs
CDSQ2
Xylem in the plants are responsible for the transport of :…
CDSQ3
Which one among the following hormones inhibits the growth activity in plants ?…
Related concepts — explore their timelines too
Transpiration
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