Assertion :Unlike cabbage, sunflower plant has long internode with leaves that are far apart. Reason: Sunflower produces sufficient amounts of Gibberellins during its growing period.

If both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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If both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion

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If Assertion is correct but Reason is incorrect.

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If Assertion is incorrect but Reason is correct.

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Solution

The correct option is A If both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The ability of various parts of sunflower plants to produce gibberellin as measured by the agar diffusion technique was correlated to internode elongation, the region of maximum gibberellin production being associated with the region of maximum extension growth.
A cabbage has a characteristic rosette morphology, which means that it has a large amount of leaves very close together and very close to the ground that ultimately form from the stem. In cabbages (as also in lettuce) the internode between nodes on the stem is very, very short, producing a dense cluster of leaves. In case of sunflower, the plant has long internodes with leaves that are far apart.

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Q. Assertion: The compressibility factor for

H_{2}

and

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

Reason: The compressibility factor for

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H e

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Assertion (A) All collision of reactant molecules lead to product formation.

Reason (R) Only those collisions in which molecules have correct orientation and sufficient kinetic energy lead to compound formation.

(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 (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.

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

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

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

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