Biology Q133 – NEET-UG 2026 | StemCET

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Home Biology Plant Growth and DevelopmentQuestion #331

Length of the stem at time 0 is 20 cm. The arithmetic growth rate is 30 cm per day. What is the length of the stem at the end of the

7^{t h}

day ?

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Ninja Strategy•Estimate and Eliminate

Quickly estimate the total growth ( $7 \times 30 = 210$ cm) and add it to the initial length (20 cm) to get approximately 230 cm, then eliminate options that are too low or too high.