Assertion :Skin is a physical barrier and acts as component of first line of defence. Reason: Sebum and sweat of skin have acidic pH, making the skin to initiate effective microbial growth.

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

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

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

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

Assertion is correct but Reason is incorrect

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

Both Assertion and Reason are incorrect

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

Open in App

Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Skin is a physical barrier and acts as a component of the first line of defense as it contains some special glands called as sweat glands and sebum glands. Sweat glands secrete sweat whose PH is alkaline, and sebum glands produce sebum which is of neutral PH. Together, sweat and sebum form a protective layer called as acid mantle.

So, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

Suggest Corrections

Similar questions

H_{2}

H e

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

H_{2}

H e

ASSERTION: n-Pentane and n-Hexane belong to a homologous series.

REASON: n-Pentane and n-Hexane belong to the same class of hydrocarbons and they differ by a - $C H_{2}$ - group.

Assertion: Be and Al have similar properties.

Reason: $B e^{2 +}$ and $A l^{3 +}$ have nearly the same charge/volume ratios and similar polarising power.

{SiO}_{2}

{CaCO}_{3}

CaO

{CaCO}_{3}

{SiO}_{2}

{2n}^{2}

Join BYJU'S Learning Program