ReNEET 2026 · Biology · Q133Plant Growth and DevelopmentIn our bank: Concept match · 74%
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 7th day?
- A.50 cm
- B.170 cm
- C.230 cm✓
- D.460 cm
Correct Answer
(C) 230 cm
Solution & Explanation
Arithmetic growth: L_t=L₀+rt, with L₀=20, r=30 cm/day, t=7. L₇=20+30×7=20+210=230 cm.
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