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Standard XII

Biology

Binomial Nomenclature

Assertion :Se...

Question

Assertion :Seismonastic movement shown by 'Touch me not' or Mimosa pudica plant. Reason: It is due to change in turgdity of cells of the pulvinus.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Mimosa pudica are touch - me not plants.
They are sensitive to touch. That response to stimuli of touch in Mimosa pudica is called as seismonastic movement.

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Similar questions

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

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Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Assertion (A) Rate constant determined from Arrhenius equation are fairly accurate for simple as well as complex molecules.

Reason (R) Reactant molecules undergo chemical change irrespective of their orientation during collision.

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Assertion :Seismonastic movement shown by 'Touch me not' or Mimosa pudica plant. Reason: It is due to change in turgdity of cells of the pulvinus.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.Mimosa pudica are touch - me not plants.They are sensitive to touch. That response to stimuli of touch in Mimosa pudica is called as seismonastic movement.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Mimosa pudica are touch - me not plants.
They are sensitive to touch. That response to stimuli of touch in Mimosa pudica is called as seismonastic movement.