NEET BIOLOGY

Detailed explanation-1: -A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant.

Detailed explanation-2: -A controlled experiment is simply an experiment in which all factors are held constant except for one: the independent variable. A common type of controlled experiment compares a control group against an experimental group. All variables are identical between the two groups except for the factor being tested.

Detailed explanation-3: -A. Under Control A controlled experiment tests only one factor at a time and consists of a control group and one or more experimental groups.

Detailed explanation-4: -A controlled variable in an experiment is the one that the researcher holds constant or controls. Control variables are the variables or elements that researchers strive to keep constant throughout their research so that they would not influence the outcomes.

Detailed explanation-5: -In a scientific experiment, a controlled experiment is a test that is directly altered by the researcher so that only one variable is studied at a time. The single variable being studied will then be the independent variable.