PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If you designed an experiment in which you are trying to determine the effect of different concentrations of salt water on worms and used distilled water which contains no salt, the worms exposed to distilled water is considered your:
A
hypothesis
B
theory
C
scientific method
D
control group
Explanation: 

Detailed explanation-1: -However, in agricultural settings earthworms can also have harmful effects. For instance, their castings (worm excrement) can increase erosion along irrigation ditches. In the urban setting, earthworm burrows can cause lumpy lawns.

Detailed explanation-2: -The water content of Lumbricus terrestris, after keeping on moist filter-paper for 3 or 4 days, is 84-8 % of its body weight. That of Allolobophora chlorotica is 80 % of its body weight.

There is 1 question to complete.