(D) clinostat is a device that rotates a plant slowly,typically at a constant speed,to eliminate the effect of gravity on plant growth. By continuousl

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(D) clinostat is a device that rotates a plant slowly,typically at a constant speed,to eliminate the effect of gravity on plant growth. By continuously changing the orientation of the plant,the gravitational stimulus is nullified,allowing scientists to study the effects of geotropism (gravitropism). Therefore,it is primarily used to demonstrate or study geotropism.

Class 11 Biology Plant Growth and Development Mix Examples-Plant Growth and Development

Medium

$A$ clinostat is an instrument used in experiments related to:

A
Thigmotropism
B
Turgor changes
C
Measurement of stomatal pores
D
Geotropism

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Class 11

Biology Questions

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Plant Growth and Development

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Mix Examples-Plant Growth and Development

Match the plant growth hormones of Column-$I$ with suitable chemical derivatives present in Column-$II$ and choose the correct option given below:
Column-$I$ Column-$II$
$A$. Abscisic acid $(i)$ Adenine derivative
$B$. Gibberellins $(ii)$ Indole acetic acid
$C$. Kinetin $(iii)$ Carotenoid derivative
$D$. Auxin $(iv)$ Terpenes

Column-$I$	Column-$II$
$A$. Abscisic acid	$(i)$ Adenine derivative
$B$. Gibberellins	$(ii)$ Indole acetic acid
$C$. Kinetin	$(iii)$ Carotenoid derivative
$D$. Auxin	$(iv)$ Terpenes

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