Assertion: Frogs undergo aestivation & hibernation
Reason: Frogs take shelter in deep burrows to protect themselves from extreme heat & cold.

Both assertion & reason are correct and reason is the correct explanation of the assertion statement.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Both assertion & reason are correct but reason is not the correct explanation of the assertion statement.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Assertion is correct but reason is wrong.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both assertion and reason are incorrect statements

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Both assertion & reason are correct and reason is the correct explanation of the assertion statement.
Frogs are poikilotherms (cold-blooded). In order to protect themselves from extreme temperatures, they undergo aestivation and hibernation. Aestivation is also called summer sleep and hibernation is called winter sleep. They take shelter in burrows during aestivation and hibernation.

Suggest Corrections

Similar questions

Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) Bond angle in ethers is slightly less than the tetrahedral angle.
Reason (R) There is a repulsion between the two bulky (- R) groups.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) o-nitrophenol is less soluble in water than the m- and p-isomers.
Reason (R) m and p-nitrophenols exist as associated molecules.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Assertion (A) Phenols give o-and p-nitrophenol on nitration with conc. $H N O_{3} a n d H_{2} S O_{4}$ mixture.
Reason (R) - OH group in phenol is o-,p-directing.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Join BYJU'S Learning Program

Explore more

Structural Organisation in Animals

Standard XII Biology

Join BYJU'S Learning Program

Assertion: Frogs undergo aestivation & hibernation Reason: Frogs take shelter in deep burrows to protect themselves from extreme heat & cold.

Assertion: Frogs undergo aestivation & hibernation
Reason: Frogs take shelter in deep burrows to protect themselves from extreme heat & cold.