Question: What is the SI unit of electric charge?
A) Ampere-hour
B) Coulomb
C) Volt
D) Ohm
Answer: B) Coulomb
Question: Which gas is responsible for the Earth’s greenhouse effect?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Methane
Answer: C) Carbon dioxide
Question: What is the function of the liver in the human body?
A) Pumping blood
B) Digestion of fats
C) Filtration of blood
D) Respiratory exchange
Answer: B) Digestion of fats
Question: What is the largest planet in our solar system?
A) Earth
B) Jupiter
C) Saturn
D) Uranus
Answer: B) Jupiter
Question: What is the process of converting solids directly into vapor without passing through the liquid state?
A) Evaporation
B) Sublimation
C) Condensation
D) Precipitation
Answer: B) Sublimation
Question: Which of the following is a conductor of electricity?
A) Rubber
B) Glass
C) Copper
D) Wood
Answer: C) Copper
Question: What is the chemical symbol for helium?
A) He
B) Hl
C) Hy
D) Hea
Answer: A) He
Question: What is the process by which plants and animals exchange gases with their environment?
A) Transpiration
B) Respiration
C) Photosynthesis
D) Fermentation
Answer: B) Respiration
Question: What is the primary function of the circulatory system?
A) Exchange of gases
B) Filtration of blood
C) Pumping blood
D) Digestion of food
Answer: C) Pumping blood
Question: What is the chemical formula for methane?
A) CH4
B) CO2
C) H2O
D) N2
Answer: A) CH4
Question: Which layer of the Earth’s atmosphere protects us from meteoroids?
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Exosphere
Answer: C) Mesosphere
Question: What is the function of the white blood cells?
A) Carrying oxygen
B) Fighting infections
C) Clotting blood
D) Carrying nutrients
Answer: B) Fighting infections
Question: What is the main component of natural gas?
A) Methane
B) Propane
C) Butane
D) Ethane
Answer: A) Methane
Question: What is the unit of measurement for frequency?
A) Hertz
B) Watt
C) Volt
D) Ampere
Answer: A) Hertz
Question: Which metal is liquid at room temperature?
A) Iron
B) Mercury
C) Aluminum
D) Copper
Answer: B) Mercury
Question: What is the process of breaking down complex substances into simpler ones by living organisms?
A) Respiration
B) Fermentation
C) Digestion
D) Photosynthesis
Answer: C) Digestion
Question: What is the role of the Earth’s magnetic field?
A) Absorbing sunlight
B) Filtering ultraviolet radiation
C) Protecting from solar wind
D) Producing oxygen
Answer: C) Protecting from solar wind
Question: Which of the following is a physical change?
A) Burning wood
B) Rusting iron
C) Melting ice
D) Digesting food
Answer: C) Melting ice
Question: What is the chemical symbol for silver?
A) Sv
B) Si
C) Ag
D) Al
Answer: C) Ag
Question: What is the purpose of a concave lens?
A) Magnifying objects
B) Correcting farsightedness
C) Correcting nearsightedness
D) Reflecting light
Answer: C) Correcting nearsightedness.
FAQs
What topics are commonly covered in JSS3 Second Term Basic Science past questions and answers?
JSS3 Second Term Basic Science past questions usually focus on topics taught during the term such as energy, simple machines, environmental issues, human health, and basic physics and chemistry concepts. Questions may include multiple-choice, theory, and practical-based items designed to test students’ understanding and application of scientific principles.
Why should students practice JSS3 Second Term Basic Science past questions and answers?
Practicing past questions helps students become familiar with exam patterns, improve time management, and identify key areas that are frequently tested. It also boosts confidence and enhances understanding of important concepts, making it easier for students to perform better in their school examinations.
Where can students get JSS3 Second Term Basic Science past questions and answers?
Students can obtain past questions from their teachers, school libraries, educational websites, and exam preparation booklets. Some schools also compile previous exam papers for revision purposes, while online learning platforms provide downloadable materials for study.
How can students effectively study using JSS3 Second Term Basic Science past questions and answers?
Students should first review their class notes and textbooks, then attempt the past questions under exam conditions. Afterward, they should check the provided answers, note their mistakes, and revise weak areas. Consistent practice, group discussions, and guidance from teachers can further improve understanding and exam readiness.
Also Read: JSS3 Second Term Mathematics Past Questions And Answers



