According to the evolutionary theory, formation of a new species
is generally due to
(a) sudden creation by nature
(b) accumulation of variations over several generations
(c) clones formed during asexual reproduction
(d) movement of individuals from one habitat to another

NCERT Class X
Science - Exemplar Problems

Chapter_SAMPLE QUESTION PAPER-II

2

Answers

2015-05-31T14:56:59+05:30
The correct answer should be B
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2015-05-31T15:03:07+05:30
Accumulation of variations over  several generation
because it induces the particular gene in the body
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