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

Vecka : v21

BI 1. Which of the following statements is correct about microorganisms and immunity?

A - All microorganisms are harmful and c...read more A - All microorganisms are harmful and cause diseases
B - Vaccines help the body develop immun...read more B - Vaccines help the body develop immunity against specific diseases
C - Antibiotics can kill viruses and bac...read more C - Antibiotics can kill viruses and bacteria both effectively
D - ---

Korrekt svar : B - Vaccines help the body develop immunity against specific diseases


GEO 2. Which of the following is a major effect of global warming on the environment?

A - Decrease in global temperatures lead...read more A - Decrease in global temperatures leading to more ice formation everywhere
B - Rising sea levels due to melting gla...read more B - Rising sea levels due to melting glaciers and polar ice caps
C - Increase in fresh drinking water ava...read more C - Increase in fresh drinking water availability in all regions
D - ---

Korrekt svar : B - Rising sea levels due to melting glaciers and polar ice caps


CHEM 3. Which statement correctly describes the periodic table and atomic structure?

A - The periodic table is a random list ...read more A - The periodic table is a random list of elements with no pattern
B - The atomic number represents the num...read more B - The atomic number represents the number of protons in an atom
C - Molecules are made only of a single ...read more C - Molecules are made only of a single type of atom
D - ---

Korrekt svar : B - The atomic number represents the number of protons in an atom


PHY 4. A ball is dropped from a height. Which statement best describes what happens to its energy as it falls?

A - Its kinetic energy decreases while p...read more A - Its kinetic energy decreases while potential energy increases
B - Its potential energy is converted in...read more B - Its potential energy is converted into kinetic energy
C - Its total energy disappears due to g...read more C - Its total energy disappears due to gravity
D - ---

Korrekt svar : B - Its potential energy is converted into kinetic energy


SS 5. Which of the following best describes globalization?

A - A system where each country remains ...read more A - A system where each country remains completely isolated from others
B - The process of increased interaction...read more B - The process of increased interaction and connection between countries through trade, media, and communication
C - A rule that only affects local commu...read more C - A rule that only affects local communities and traditions
D - ---

Korrekt svar : B - The process of increased interaction and connection between countries through trade, media, and communication


PE 6. What is the correct first aid step for a minor sprain during physical activity?

A - Continue playing to keep the muscles...read more A - Continue playing to keep the muscles warm
B - Apply the RICE method (Rest, Ice, Co...read more B - Apply the RICE method (Rest, Ice, Compression, Elevation)
C - Massage the injured area immediately...read more C - Massage the injured area immediately with force
D - ---

Korrekt svar : B - Apply the RICE method (Rest, Ice, Compression, Elevation)


MA 7. A shirt originally costs $40. The price increases by 15%. What is the new price of the shirt?

A - $44
B - $46
C - $48
D - ---

Korrekt svar : B - $46


BI 8. Which of the following best describes how bacteria and viruses differ?

A - Bacteria are always harmful, while v...read more A - Bacteria are always harmful, while viruses are always helpful
B - Bacteria are living organisms that c...read more B - Bacteria are living organisms that can reproduce on their own, while viruses need a host to reproduce
C - Viruses are larger than bacteria and...read more C - Viruses are larger than bacteria and can survive independently
D - ---

Korrekt svar : B - Bacteria are living organisms that can reproduce on their own, while viruses need a host to reproduce


GEO 9. Which of the following actions best helps in conserving natural resources?

A - Cutting down more trees to build new...read more A - Cutting down more trees to build new houses
B - Using renewable energy sources like ...read more B - Using renewable energy sources like solar and wind power
C - Increasing the use of plastic produc...read more C - Increasing the use of plastic products for daily needs
D - ---

Korrekt svar : B - Using renewable energy sources like solar and wind power


CHEM 10. Which of the following best describes a compound?

A - A substance made of only one type of...read more A - A substance made of only one type of atom
B - A mixture of elements that are not c...read more B - A mixture of elements that are not chemically bonded
C - A substance formed when two or more ...read more C - A substance formed when two or more different elements are chemically bonded
D - ---

Korrekt svar : C - A substance formed when two or more different elements are chemically bonded


PHY 11. A machine does 200 joules of work in 10 seconds. What is its power output?

A - 10 watts
B - 20 watts
C - 2000 watts
D - ---

Korrekt svar : B - 20 watts


SS 12. Which of the following is the best example of a social issue?

A - People sharing cultural festivals wi...read more A - People sharing cultural festivals with each other
B - Unequal access to education and heal...read more B - Unequal access to education and healthcare in a community
C - The use of social media to communica...read more C - The use of social media to communicate with friends
D - ---

Korrekt svar : B - Unequal access to education and healthcare in a community


PE 13. Which of the following is the most important safety rule during physical education activities?

A - Ignore minor pain and keep playing
B - Always warm up before exercise to pr...read more B - Always warm up before exercise to prepare the body
C - Drink water only after finishing all...read more C - Drink water only after finishing all activities
D - ---

Korrekt svar : B - Always warm up before exercise to prepare the body


MA 14. A shop increases the price of a bicycle by 20% and then gives a discount of 10% on the new price. If the original price of the bicycle was $500, what is the final price?

A - $540
B - $550
C - $560
D - ---

Korrekt svar : A - $540


MA 15. Sarah bought a notebook for $12.50. The shop gave her a 20% discount. How much money did she save?

A - $2.50
B - $3.00
C - $4.50
D - ---

Korrekt svar : A - $2.50