Match Column I with Column II

	Column I		Column II
a.	Charles Darwin and Francis Darwin	i.	Observed ribosomes under the electron microscope as dense particles.
b.	F.W. Went	ii.	Observed phototropism in the coleoptiles of canary grass to unilateral illumination.
c.	H.H. Cousins	iii.	Isolated auxin from tips of coleoptiles of oat seedlings.
d.	George Palade	iv.	Confirmed the release of a volatile substance from ripened oranges that hastened the ripening of stored unripened bananas.

• A

  a-iii, b-ii, c-iv, d-i

• B

  a-ii, b-iii, c-iv, d-i

• C

  a-ii, b-iii, c-i, d-iv

• D

  a-iii, b-ii, c-i, d-iv