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The instrument by which the rate of grow...

The instrument by which the rate of growth of stem is accurately measured is
Or
Growith in langth of a plant can be measured by

A

Hydrometer

B

Auxanmeter

C

Osmometer

D

Potometer

Text Solution

Verified by Experts

The correct Answer is:
b
( b) Auxanometer can register total growth, rate of growth at specific time and overall pattern of growth. In arc auxometer actual growth in length of a plant is measured as
Actual growth=`(" distance travelled by pointer"xx" radius of pulley")/("Length of pointer from centre of pulley")`
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