Human evolution began approximately 7 crore years ago
Ans :
i) Although time of descent of man is controversial subject but fossil evidence indicates that time of evolution of man is approximately 7 crore years ago.
ii) Last dinosaurs disappeared approximately seven crore years ago. At that time, monkey-like animals are said to be evolved from some ancestors who were more or less similar to the modern lemurs.
iii) Tail of these monkey-like animals of Africa disappeared about 4 crores ago.
iv) Available fossils give the evidence that most of the fossils of pre-human ancestors including monkeys and apes have been recovered from Africa, Asia and Europe.