Question

Match the following with reference to geological time scale

(a)	Origin of trilobites	(i)	Siluran
(b)	Origin of ostracoderma	(ii)	Carboniferous
(c)	Origin of fishes	(iii)	Cambrain
(d)	Origin of amphibiana	(iv)	Ordocician
(e)	Origin of cotylosaures	(v)	Devonant

• A. a - iii, b - v, c - i, d- iv, e- ii
• B. a - ii, b - v, c- i, d- iv m e - iii
• C. a - iii, b - iv, c- ii, d - v , e - i
• D. a - iii, b- iv, c- i, d- v, e- ii

Answer 1

Answer: (A)

a - iii, b - v, c - i, d- iv, e- ii

Origin of trilobites	Cambrain
Origin of ostracoderms	Cambrain
Origin of fishes	Siluran
Origin of amphibiana	Devonant
Origin of cotylosaures	Carboniferous

So the correct answer is 'a - iii, b - v, c - i, d- iv, e- ii'.