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General Biology – 1 – 1

1. Chlorophyll is a naturally occurring chelate compound in which central metal is :

(a) copper
(b) magnesium
(c) iron
(d) calcium

ANSWER

EXPLANATION

2. The variety of coal in which the deposit contains recognisable traces of the original plant material is :

(a) bitumen
(b) anthracite
(c) lignite
(d) peat

ANSWER

EXPLANATION

1

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