Botany-Seed Dormancy
NEET Botany Seed Dormancy MCQ Question
Type: MCQ-numerical-Medium-Class 11
If a batch of seeds has a germination rate of 60% due to seed dormancy caused by the seed coat barrier, and mechanical abrasion using sandpaper increases germination by 20%, what is the new germination rate?
A
72%
B
80%
C
48%
D
60%
Correct Answer
Option A
Detailed Explanation
The initial germination rate is 60%. Mechanical abrasion increases this rate by 20% of 60%, which is 12%. Thus, the new germination rate is 60% + 12% = 72%.
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