JSS1 Third Term Basic Science Past Questions And Answers
Basic Science questions for JSS1 Third Term, each with options and answers:
Question: What is the process by which green plants make their own food using sunlight?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Digestion
Answer: B) Photosynthesis
Question: Which of the following is a renewable source of energy derived from the movement of water?
A) Solar power
B) Wind power
C) Hydroelectric power
D) Geothermal power
Answer: C) Hydroelectric power
Question: What is the chemical symbol for iron?
A) Fe
B) Au
C) Ag
D) Cu
Answer: A) Fe
Question: In the human digestive system, where does most nutrient absorption occur?
A) Stomach
B) Small intestine
C) Large intestine
D) Liver
Answer: B) Small intestine
Question: Which of the following is a characteristic of solids?
A) Takes the shape of its container
B) Definite shape and volume
C) Indefinite shape and volume
D) No fixed particles
Answer: B) Definite shape and volume
Question: What is the main function of the skeletal system?
A) Pumping blood
B) Providing support and protection
C) Exchanging gases
D) Producing hormones
Answer: B) Providing support and protection
Question: Which gas is responsible for the greenhouse effect in the Earth’s atmosphere?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen
Answer: C) Carbon Dioxide
Question: What is the process of the Earth’s axis tilting towards or away from the Sun called?
A) Revolution
B) Rotation
C) Axial tilt
D) Orbiting
Answer: C) Axial tilt
Question: What is the chemical symbol for silver?
A) Ag
B) Au
C) Fe
D) Cu
Answer: A) Ag
Question: Which organ is responsible for filtering and removing waste from the blood?
A) Liver
B) Kidney
C) Heart
D) Lungs
Answer: B) Kidney
Question: What is the process of a gas changing directly into a solid without passing through the liquid state?
A) Evaporation
B) Condensation
C) Sublimation
D) Freezing
Answer: C) Sublimation
Question: What is the chemical symbol for calcium?
A) Ca
B) Na
C) Mg
D) K
Answer: A) Ca
Question: In the water cycle, what process involves the release of water vapor from plants into the atmosphere?
A) Evaporation
B) Transpiration
C) Condensation
D) Precipitation
Answer: B) Transpiration
Question: Which planet is known as the “Blue Planet” due to its vast oceans?
A) Earth
B) Mars
C) Neptune
D) Venus
Answer: A) Earth
Question: What is the process of breaking down food into simpler substances for absorption?
A) Respiration
B) Digestion
C) Photosynthesis
D) Fermentation
Answer: B) Digestion
Question: What is the chemical symbol for nitrogen?
A) N2
B) O2
C) CO2
D) H2O
Answer: A) N2
Question: In the electromagnetic spectrum, which type of wave has the shortest wavelength?
A) Radio waves
B) Microwaves
C) X-rays
D) Infrared waves
Answer: C) X-rays
Question: What is the main function of the circulatory system?
A) Providing support
B) Pumping blood
C) Exchanging gases
D) Producing energy
Answer: B) Pumping blood
Question: Which gas is essential for the process of respiration in both plants and animals?
A) Nitrogen
B) Carbon Dioxide
C) Oxygen
D) Methane
Answer: C) Oxygen
Question: What is the process of a liquid chan
ging into a gas at its boiling point?
A) Evaporation
B) Sublimation
C) Condensation
D) Boiling
Answer: D) Boiling.
