A) F.W. Went
B) C.V. Raman
C) J.C. Bose
D) Charles Darwin
Correct Answer: C
Solution :
Crescograph is the apparatus used to measure growth. It was invented by J.C. Bose. It is more delicate instrument and gives magnification upto 10,000 times. F.W. Went (1928) carried out Avena curvature test to demonstrate the effect of auxins on plant growth (Avena sativa coleoptile). Charles Darwin (1809) gave the theory of natural selection and wrote the book ?Origin of species?. C.V. Raman did work in Physics.
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