20 Basic Science questions for JSS1 Second Term, each with options and answers:
Question: Which gas is essential for respiration in humans?
A) Nitrogen
B) Oxygen
C) Carbon Dioxide
D) Hydrogen
Answer: B) Oxygen
Question: What is the smallest unit of an element that retains its properties?
A) Molecule
B) Atom
C) Cell
D) Compound
Answer: B) Atom
Question: In the water cycle, what process involves water turning into vapor?
A) Condensation
B) Evaporation
C) Precipitation
D) Sublimation
Answer: B) Evaporation
Question: What is the SI unit for measuring temperature?
A) Kelvin
B) Celsius
C) Fahrenheit
D) Joule
Answer: A) Kelvin
Question: Which type of rock is formed from cooling and solidification of lava?
A) Sedimentary
B) Metamorphic
C) Igneous
D) Granite
Answer: C) Igneous
Question: What is the process of changing from a liquid to a gas at temperatures below the boiling point called?
A) Boiling
B) Freezing
C) Condensation
D) Sublimation
Answer: C) Condensation
Question: What is the role of chlorophyll in photosynthesis?
A) Absorbing sunlight
B) Producing oxygen
C) Breaking down glucose
D) Storing energy
Answer: A) Absorbing sunlight
Question: Which planet is known for its prominent ring system?
A) Jupiter
B) Saturn
C) Neptune
D) Uranus
Answer: B) Saturn
Question: What is the process by which plants lose water through small openings in their leaves?
A) Transpiration
B) Respiration
C) Absorption
D) Photosynthesis
Answer: A) Transpiration
Question: What is the main function of the nervous system?
A) Circulation
B) Digestion
C) Coordination
D) Reproduction
Answer: C) Coordination
Question: Which type of energy is stored in food?
A) Potential energy
B) Kinetic energy
C) Chemical energy
D) Thermal energy
Answer: C) Chemical energy
Question: What is the process of the Earth orbiting around the Sun?
A) Revolution
B) Rotation
C) Axial tilt
D) Orbiting
Answer: A) Revolution
Question: Which gas is responsible for the depletion of the ozone layer?
A) Carbon Dioxide
B) Methane
C) Chlorofluorocarbons (CFCs)
D) Nitrous Oxide
Answer: C) Chlorofluorocarbons (CFCs)
Question: What is the process of converting a solid directly into a gas without passing through the liquid state?
A) Evaporation
B) Sublimation
C) Condensation
D) Freezing
Answer: B) Sublimation
Question: What is the main function of the respiratory system?
A) Pumping blood
B) Filtering air
C) Exchanging gases
D) Breaking down food
Answer: C) Exchanging gases
Question: Which layer of the Earth’s atmosphere contains the ozone layer?
A) Troposphere
B) Stratosphere
C) Mesosphere
D) Thermosphere
Answer: B) Stratosphere
Question: What is the chemical symbol for sodium?
A) Na
B) K
C) Mg
D) Ca
Answer: A) Na
Question: Which type of energy is associated with the motion of an object?
A) Potential energy
B) Kinetic energy
C) Chemical energy
D) Nuclear energy
Answer: B) Kinetic energy
Question: What is the process of a substance changing from a gas to a liquid?
A) Sublimation
B) Evaporation
C) Condensation
D) Freezing
Answer: C) Condensation
Question: In the water cycle, what process involves water falling from the atmosphere
to the Earth’s surface?
A) Evaporation
B) Condensation
C) Precipitation
D) Infiltration
Answer: C) Precipitation.
FAQs
What topics are usually covered in JSS1 Second Term Basic Science past questions and answers?
JSS1 Second Term Basic Science past questions typically cover topics like plants and animals, human body systems, matter and its properties, energy, simple machines, and the environment. The past questions are designed to help students revise these topics and practice applying scientific concepts to problem-solving questions.
How can students effectively use JSS1 Second Term Basic Science past questions for exam preparation?
Students can use past questions by attempting them under timed conditions to simulate actual exams, checking their answers against provided solutions, and reviewing mistakes. This approach helps improve understanding, identifies weak areas, and enhances confidence in answering similar questions in exams.
Are the answers provided in JSS1 Second Term Basic Science past questions detailed or just brief?
Most JSS1 Second Term Basic Science past question answer guides provide concise, step-by-step solutions. While some answers are brief, good resources include explanations to clarify scientific concepts, which helps students grasp why an answer is correct rather than just memorizing it.
Where can students find reliable JSS1 Second Term Basic Science past questions and answers?
Reliable past questions can be found in school resource packs, approved JSS Basic Science textbooks, educational websites, and from teachers who compile past questions from previous exams. It is recommended to use resources aligned with the current curriculum to ensure accurate preparation.
Also Read: JSS2 Second Term Mathematics Past Questions and Answers
