Question: What is the main function of the respiratory system?
A) Transportation of nutrients
B) Exchange of gases
C) Pumping blood
D) Digestion
Answer: B) Exchange of gases
Question: Which planet is known as the “Red Planet”?
A) Earth
B) Mars
C) Venus
D) Jupiter
Answer: B) Mars
Question: What is the chemical symbol for water?
A) H2O
B) CO2
C) O2
D) CH4
Answer: A) H2O
Question: What unit is used to measure electric current?
A) Volt
B) Ampere
C) Ohm
D) Watt
Answer: B) Ampere
Question: Which of the following is a renewable energy source?
A) Coal
B) Solar
C) Natural Gas
D) Nuclear
Answer: B) Solar
Question: What process involves the conversion of water vapor into liquid water?
A) Evaporation
B) Condensation
C) Sublimation
D) Precipitation
Answer: B) Condensation
Question: What is the SI unit of force?
A) Newton
B) Joule
C) Watt
D) Kilogram
Answer: A) Newton
Question: What is the function of the nervous system?
A) Transport of oxygen
B) Control and coordination
C) Digestion of food
D) Pumping blood
Answer: B) Control and coordination
Question: Which gas is most abundant in the Earth’s atmosphere?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer: B) Nitrogen
Question: What is the formula for calculating speed?
A) Speed = Distance × Time
B) Speed = Time ÷ Distance
C) Speed = Distance + Time
D) Speed = Distance − Time
Answer: A) Speed = Distance × Time
Question: What is the primary function of the kidneys in the human body?
A) Digestion
B) Filtration of blood
C) Pumping blood
D) Respiratory exchange
Answer: B) Filtration of blood
Question: What is the chemical symbol for gold?
A) Gd
B) Au
C) Ag
D) Fe
Answer: B) Au
Question: In the water cycle, what is the process where water is released from plants into the atmosphere?
A) Evaporation
B) Transpiration
C) Condensation
D) Precipitation
Answer: B) Transpiration
Question: What is the function of the red blood cells?
A) Carrying oxygen
B) Fighting infections
C) Clotting blood
D) Carrying nutrients
Answer: A) Carrying oxygen
Question: Which planet is closest to the Sun?
A) Earth
B) Venus
C) Mercury
D) Mars
Answer: C) Mercury
Question: What is the process of converting sunlight into chemical energy in plants?
A) Photosynthesis
B) Respiration
C) Fermentation
D) Combustion
Answer: A) Photosynthesis
Question: What is the function of the ozone layer in the Earth’s atmosphere?
A) Absorbing carbon dioxide
B) Filtering ultraviolet radiation
C) Producing oxygen
D) Generating heat
Answer: B) Filtering ultraviolet radiation
Question: Which of the following is a non-metal?
A) Iron
B) Sodium
C) Oxygen
D) Copper
Answer: C) Oxygen
Question: What is the SI unit of energy?
A) Watt
B) Joule
C) Newton
D) Ampere
Answer: B) Joule
Question: What is the process by which plants make their own food using sunlight?
A) Respiration
B) Fermentation
C) Photosynthesis
D) Combustion
Answer: C) Photosynthesis.
FAQs
What topics are usually covered in JSS3 First Term Basic Science past questions and answers?
JSS3 First Term Basic Science past questions typically cover topics such as the human body systems, matter and its states, energy forms, plant and animal life, environmental science, and simple chemical reactions. The questions often include multiple-choice, short-answer, and structured questions that test both theoretical knowledge and practical understanding.
How can I use JSS3 First Term Basic Science past questions effectively for revision?
To use past questions effectively, start by attempting them under exam conditions to simulate the real test environment. After completing each question, review the provided answers carefully, noting areas where you made mistakes. Focus on understanding concepts rather than memorizing answers, and regularly revise topics that are repeatedly asked in past questions.
Where can I find JSS3 First Term Basic Science past questions and answers?
You can find JSS3 First Term Basic Science past questions and answers in school libraries, online educational platforms, examination board publications, and from teachers who provide compiled past questions. Some websites also offer downloadable PDFs that contain questions and fully worked solutions for all the first-term topics.
Are the past questions exactly the same as the exam questions?
No, past questions are not guaranteed to appear exactly the same in exams, but they give a strong indication of the types of questions likely to be asked. Teachers often repeat similar question patterns and topics, so practicing past questions helps students anticipate exam questions, improve speed, and build confidence in answering correctly.
Also Read: JSS2 Third Term Basic Science Past Questions and Answers



