Evolution

Which one of the following are analogous structures?

Which one of the following are analogous structures? Options (a) Wings of Bat and Wings of Pigeon (b) Gills of…

Which of the following had the smallest brain capacity ?

Which of the following had the smallest brain capacity ? Options (a) Homo sapiens (b) Homo neanderthalensis (c) Homo habilis…

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying…

Homo erectus erectus is the scientific name of

Homo erectus erectus is the scientific name of Options (a) java Ape man (b) peking man (c) cro-magnon (d) neanderthal…

Human ancestors who left cave paintings were

Human ancestors who left cave paintings were Options (a) neanderthal man (b) cro-magnon man (c) java ape man (d) peking…

Hybrid vigour is due to

Hybrid vigour is due to Options (a) heterosis (b) overpopulation (c) both heterosis and overpopulation (d) none of these Correct…

In the primitive atmosphere which was not available in free state?

In the primitive atmosphere which was not available in free state? Options (a) CH₄ (b) H₂ (c) O₂ (d) H₂O…

Institute of paleobotany is situated at

Institute of paleobotany is situated at Options (a) Delhi (b) Allahabad (c) Lucknow (d) Aurangabad Correct Answer: Lucknow Explanation: The…

Lederberg and lederberg demonstrated that mutations are preadaptive. They used

Lederberg and lederberg demonstrated that mutations are preadaptive. They used the following tecnique for the purpose Options (a) replica plating…

Man was originated in which era?

Man was originated in which era? Options (a) paleocene (b) pliocene (c) miocene (d) oilgocene Correct Answer: miocene Explanation: The…