(a) Ring like growth
(b) A peg like protuberance
(c) A spiral outgrowth
(d) A perforation in the plate
Ans. b
(a) Ring like growth
(b) A peg like protuberance
(c) A spiral outgrowth
(d) A perforation in the plate
Ans. b
Call us directly?
Address
Not a member yet? Register now
Are you a member? Login now