Question
Choose the correct option for the Assertion (A) and Reason (R) given below:
Assertion (A) : Anomalous secondary growth in stems often results from the formation of successive cambia or abnormal activity of the vascular cambium.
Reason (R) : In certain plants, additional cambia arise only from the vascular cambium, producing a single continuous vascular cylinder.
Asked in UP PGT (Biology) · 2026
Secondary Growth · Biology
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Xylem transports water and dissolved minerals; phloem carries prepared food.
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Questions Asked from Plant Hormones, Diseases & Scientific Names in Previous Exams
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13UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2016, 2017, 2019, 2020, 2021, 2022, 2023, 2024
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Plant Hormones, Diseases & Scientific Names has appeared in 48 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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