Quiz Name : Are you as smart as a grade 9 student?

Week : V49

MA 1. Which of the following shapes has exactly four right angles?

A - Triangle
B - Square
C - Pentagon
D - -------

Korrekt svar : B - Square


BI 2. What is the main purpose of respiration in living organisms?

A - To produce food from sunlight
B - To release energy from glucose
C - To remove waste products from the bo...read more C - To remove waste products from the body
D - -------

Korrekt svar : B - To release energy from glucose


GEO 3. Which type of plain is formed primarily by river deposits over time?

A - Coastal plain
B - Alluvial plain
C - Plateau
D - -------

Korrekt svar : B - Alluvial plain


CHEM 4. Which of the following indicates a chemical change has occurred?

A - The substance changes color and prod...read more A - The substance changes color and produces gas
B - The substance melts into a liquid
C - The substance is cut into smaller pi...read more C - The substance is cut into smaller pieces
D - -------

Korrekt svar : A - The substance changes color and produces gas


PHY 5. Which of the following best explains why shadows are formed?

A - Light travels in all directions and ...read more A - Light travels in all directions and bends around objects
B - Light travels in straight lines and ...read more B - Light travels in straight lines and is blocked by an object
C - Light spreads out and heats the air ...read more C - Light spreads out and heats the air around objects
D - -------

Korrekt svar : B - Light travels in straight lines and is blocked by an object


SS 6. Which of the following was a major cause of World War I?

A - The invention of the printing press
B - The assassination of Archduke Franz ...read more B - The assassination of Archduke Franz Ferdinand
C - The discovery of America
D - -------

Korrekt svar : B - The assassination of Archduke Franz Ferdinand


PE 7. Which component of physical fitness is primarily tested by running or swimming for a long time?

A - Muscular strength
B - Cardiovascular endurance
C - Flexibility
D - -------

Korrekt svar : B - Cardiovascular endurance


MA 8. Which statement about the angles of a triangle is always true?

A - All three angles must be equal.
B - The sum of all interior angles is 18...read more B - The sum of all interior angles is 180°.
C - Every triangle must have at least on...read more C - Every triangle must have at least one right angle.
D - -------

Korrekt svar : B - The sum of all interior angles is 180°.


BI 9. Which gas is taken in during aerobic respiration?

A - Carbon dioxide
B - Oxygen
C - Nitrogen
D - -------

Korrekt svar : B - Oxygen


GEO 10. Which landform is typically formed by glacial activity?

A - Valley
B - Fjord
C - Desert
D - -------

Korrekt svar : B - Fjord


CHEM 11. Which of the following is a physical change?

A - Rusting of iron
B - Dissolving sugar in water
C - Cooking an egg
D - -------

Korrekt svar : B - Dissolving sugar in water


PHY 12. Which surface will reflect light the most clearly?

A - A rough wooden table
B - A smooth mirror
C - A black cloth
D - -------

Korrekt svar : B - A smooth mirror


SS 13. Which empire was known for building a network of roads that connected its entire territory?

A - Roman Empire
B - Mongol Empire
C - Ottoman Empire
D - -------

Korrekt svar : A - Roman Empire


PE 14. Which component of physical fitness is most improved by stretching exercises?

A - Muscular strength
B - Flexibility
C - Cardiovascular endurance
D - -------

Korrekt svar : B - Flexibility


MA 15. Which of the following pairs of shapes are always similar?

A - Any two rectangles
B - Any two squares
C - Any two parallelograms
D - -------

Korrekt svar : B - Any two squares