Question

Antibiotics are drugs used against bacterial infections. One of the most common side effects of antibiotics is diarrhea. Scientists wanted to find out if eating yogurt can lessen the side effect of the medication. For this they gave yogurt to a group of people on antibiotics, who were known to suffer this side effect of antibiotics and recorded the observations. Which of these is important and should be done as a part of this experiment to reach a valid conclusion? a) To observe another group receiving antibiotics but no yogurt. b)To observe another group receiving yogurt but no antibiotics. c)To observe another group receiving neither yogurt nor antibiotics. d) Nothing else is required. This experiment alone is sufficient.

Answer 1

ANSWER : b) TO OBSERVE ANOTHER GROUP RECEIVING YOGHURT BUT NO ANTIBIOTICS