The scientist who observed imitation in chimpanzees ? 

C) C . B . Van Neil

(B) Ingenhousz

(C) Von Sachs

A) I – d, II – c, 111 – b, IV – a

When a light passes from one medium to another, at one interface, it changes its speed. The glass slab and prism both have two glass air interfaces. Hence, the light undergoes refraction...

Correct option is B) Instinct

Correct option is B) Imitation

Correct option is D) Smoking

Group A Group B 1) Imitation experiments in chimpanzees D) Kohler 2) Conditioning experiment with dog F) Ivan Pavlov 3) Study on Dolphins E) Hermon 4) Training to parrot A) Ervin Pepperberg 5) Behavioural study in white geese B) Konard Lorenz

C) a is true, b is false