Assertion: The best quality of pearl is known as lingha pearl and obtained from marine oysters.
Reason: Nacre is secreted continuously by the epithelial layer of the mantle and deposited around the foreign particle.
(a) Assertion is true, Reason is false
(b) Assertion and Reason are false
(c) Assertion is false But Reason is true
(d) Assertion and Reason are true
