RE-NEET2026Botany-Plant Growth

RE-NEET 2026 Botany Growth Rate MCQ Question

Type: MCQ-numerical-Easy-Class 11

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 7th7^{th} day?

A

170 cm

B

230 cm

C

460 cm

D

50 cm

Correct Answer

Option 2

Detailed Explanation

The length after 7 days is calculated as initial length + (growth rate × number of days) = 20 cm + (30 cm/day × 7 days) = 230 cm.

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