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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.

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

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

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

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

answer is B.

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Detailed Solution

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

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