Question

Anita wants to study the effect of Compound X on leaf expansion rates in 100 individuals of a plant
species S. Which of the following constitute suitable control(s) for this experiment?
(P) Simultaneously measure leaf expansion rates in a second set of 100 plants of species S which
has not been treated with Compound X.
(Q) Measure leaf expansion rates in a second set of 100 plants of species S which has been treated
with Compound X for a longer duration.
(R) Measure leaf expansion rates in a set of 100 plants belonging to a different but closely related
plant species treated with Compound X.
(S) Measure leaf expansion rates for a second set of 100 plants of species S treated with Compound
X to test for repeatability of results.
(A) P only (B) Q and S
(C) R only (D) P and S

Answer 1

Hlo...


HERE IS UR ANSWER...

D) P and S

HOPE IT'S HELP YOU..

THANKS☺️☺️

Answer 2

HEYA! !
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THE ANSWER IS OPTION D✔✔✔