Science 1st final exam

Diseases that pass from 1 person to another or from an animal to a person?

• Deficiency disease

• Communicable (infectious) disease

• Lifestyle diseases

• all are correct

Answer explanation

Example: Covid-19, flu, measles (bệnh sởi), rabies (bệnh dại),....

Disease that are caused by malnutrition. Malnutrion is the lack of essential nutrients.

• Lifestyle diseases

• Communicable diseases

• Deficiency diseases

• Pandemic

Answer explanation

Example: anaemia (thiếu máu), rickets (còi xương),...

Diseases that are caused by poor lifestyle?

• Lifestyle diseases

• Infectious diseases

• Deficiency disease

• all are incorrect

Answer explanation

Example: Lung cancer, heart diseases, liver diseases, obesity (béo phì),....

A substance used to stimulate immunity to prevent particular disease is___?

Matter is made from tiny particles called___.

Draw atom structure:

How many states of matter?

• 3

• 4

• 5

• 2

Answer explanation

3 states of matters: solids, liquids, gases

Substances that contain 2 or more atoms held together are___?

Answer explanation

Eg: O2, H2O, CO2,....

Substances that contain only 1 type of atom are___?

Answer explanation

Eg: O3, O2, H2, Cu, Al,...

Substances that contain atoms of more than 1 element strongly hels together are___?

Answer explanation

Eg: H2O, CO2, NaCl, HCl, H2SO4,...