Question

James took two pea plants, placing one in a dark closet and the other on a sunny window sill. Both are located in air conditioned rooms. He then measured the growth of the pea plants after a week. In this experiment, the dark closet is a(N)

a.independent variable
b.control
c.dependent variable
d.constant

Answer 1

A.) independent variable.
the control was or would be the plant at the window. the dependent is the growth of each plant. the constant is the amount of water

Answer 2

Answer : Option A) independent variable.

Explanation : The dark closet (N) was a part of independent variable as it's variable does not depends on any other variable.

Also, growth factor which was the major aim of study was the dependent variable as it was dependent on closet where it was placed.

Constant was the water as the quantity of water was same for both the plants.

Control was the plant that was used for this experiment, as this was the standard that was used for the comparison of the growth.