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Name the scientist who discovered that d...

Name the scientist who discovered that decapitated coleoptile would resume photo-sensitivity and growth if severed tip is reattached through a gelatin disc.

A

Darwin

B

Van Overbeek

C

Boyson Jensen

D

Paal.

Text Solution

Verified by Experts

The correct Answer is:
C
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When extremely small particles X derived from the anther of a flower were suspended in a liquid Y and observed through a microscope, it was found that the particles X were moving throughout the liquid Y in a very zig-zag way. It was also observed that warmer the liquid Y, faster the particles X moved on its surface. What could particles X be ? (b) What do you think liquid Y is ? (c ) What is zig-zag movement of X known as ? (d) What is causing the zig-zag movement of particles X ? (e) Name the scientist who discovered this phenomenon. (f) What does this experiment tell us about the nature of liquid Y ?