(A) The movement in the leaves of $Mimosa \text{ } pudica$ (touch-me-not plant) upon touching is known as seismonasty or thigmonasty.This is a non-dir

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

(A) The movement in the leaves of $Mimosa \text{ } pudica$ (touch-me-not plant) upon touching is known as seismonasty or thigmonasty.This is a non-directional movement in response to a mechanical stimulus (touch).It occurs due to the sudden loss of turgor pressure in the pulvinus cells at the base of the leaflets.Therefore, the correct answer is $A$ (Seismonasty).

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

Easy

On touching the leaves of $Mimosa \text{ } pudica$ droop down because of:

A
Seismonasty
B
Hydrotropism
C
Chemonasty
D
Thigmotropism

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Biology Questions

Chapter

Plant Growth and Development

Subtopic

Mix Examples-Plant Growth and Development

Water stress makes plant leaves ...$A$... thus,...$B$... the surface area of leaves and their metabolic activity as well. Here $A$ and $B$ refer to:

Medium

View Solution

Factors which can modify geotropic responses are

Medium

View Solution

Choose the incorrect pair.

Medium

View Solution

Match column $I$ with column $II$ and select the correct option:
Column $I$ (Precursor/Term) Column $II$ (Associated Hormone)
$(a)$ Tryptophan $(i)$ Cytokinin
$(b)$ Mevalonic acid $(ii)$ Abscisic acid
$(c)$ Kinetin $(iii)$ Gibberellins
$(d)$ Dormin $(iv)$ Auxin

Column $I$ (Precursor/Term)	Column $II$ (Associated Hormone)
$(a)$ Tryptophan	$(i)$ Cytokinin
$(b)$ Mevalonic acid	$(ii)$ Abscisic acid
$(c)$ Kinetin	$(iii)$ Gibberellins
$(d)$ Dormin	$(iv)$ Auxin

EasyMHT CET 2022

View Solution

While eating watermelons, all of us wish it was seedless. As a plant physiologist, can you suggest any method by which this can be achieved?

Easy

View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo

On touching the leaves of $Mimosa \text{ } pudica$ droop down because of:

Similar Questions

Water stress makes plant leaves ...$A$... thus,...$B$... the surface area of leaves and their metabolic activity as well. Here $A$ and $B$ refer to:

Factors which can modify geotropic responses are

Choose the incorrect pair.

Match column $I$ with column $II$ and select the correct option:Column $I$ (Precursor/Term)Column $II$ (Associated Hormone)$(a)$ Tryptophan$(i)$ Cytokinin$(b)$ Mevalonic acid$(ii)$ Abscisic acid$(c)$ Kinetin$(iii)$ Gibberellins$(d)$ Dormin$(iv)$ Auxin

While eating watermelons, all of us wish it was seedless. As a plant physiologist, can you suggest any method by which this can be achieved?

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Match column $I$ with column $II$ and select the correct option:
Column $I$ (Precursor/Term) Column $II$ (Associated Hormone)
$(a)$ Tryptophan $(i)$ Cytokinin
$(b)$ Mevalonic acid $(ii)$ Abscisic acid
$(c)$ Kinetin $(iii)$ Gibberellins
$(d)$ Dormin $(iv)$ Auxin