Medical Quiz
Biology Quiz

In a water molecule, the ___ end is negative.

A. oxygen

B. hydrogen

C. carbon

D. nitrogen

Select your answer:
A  B  C  D  E 

Topics:

Nature of Science Heart and Circulatory System Asexual Reproduction 5 Major Food Groups Hazards & Risks Histology Skills for Health Cells and Organ Systems Nutrition Leaves Muscles and Healthy Body BMS Cell Cycle and Cancer Life Cycle - Bee Composition of Blood and Blood Cells Biology for Engineers

Other quiz: Health

This is a disease wherein the gums become tender, red, swollen, and starts to bleed.

A. Tooth decay

B. Periodontitis

C. Malocclusion

D. Gingivitis