JSS1 First Term Basic Science Past Questions And Answers
Here are 20 basic science questions for JSS1 First Term, each with options and answers:
Question: What is the primary function of the heart?
A) Pumping blood
B) Digesting food
C) Filtering air
D) Storing water
Answer: A) Pumping blood
Question: Which planet is known as the “Red Planet”?
A) Venus
B) Mars
C) Jupiter
D) Saturn
Answer: B) Mars
Question: What is the chemical symbol for water?
A) H2O
B) CO2
C) O2
D) NaCl
Answer: A) H2O
Question: What is the largest organ in the human body?
A) Liver
B) Skin
C) Heart
D) Brain
Answer: B) Skin
Question: Which gas do plants absorb during photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen
Answer: C) Carbon Dioxide
Question: What is the unit of measurement for force?
A) Watt
B) Joule
C) Newton
D) Volt
Answer: C) Newton
Question: What is the process by which plants make their own food?
A) Respiration
B) Digestion
C) Photosynthesis
D) Fermentation
Answer: C) Photosynthesis
Question: Which of the following is a renewable source of energy?
A) Coal
B) Solar
C) Natural Gas
D) Petroleum
Answer: B) Solar
Question: What is the Earth’s primary source of energy?
A) Wind
B) Sun
C) Moon
D) Ocean
Answer: B) Sun
Question: Which force pulls objects towards the center of the Earth?
A) Magnetic force
B) Gravitational force
C) Centrifugal force
D) Frictional force
Answer: B) Gravitational force
Question: What is the chemical symbol for gold?
A) Au
B) Ag
C) Fe
D) Cu
Answer: A) Au
Question: Which part of the plant is responsible for photosynthesis?
A) Roots
B) Leaves
C) Stem
D) Flowers
Answer: B) Leaves
Question: What is the boiling point of water in Celsius?
A) 100°C
B) 0°C
C) 50°C
D) 212°C
Answer: A) 100°C
Question: Which gas do humans primarily exhale during respiration?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Hydrogen
Answer: C) Carbon Dioxide
Question: What is the basic unit of life?
A) Cell
B) Tissue
C) Organ
D) Organism
Answer: A) Cell
Question: Which planet is known as the “Morning Star” or “Evening Star”?
A) Venus
B) Jupiter
C) Saturn
D) Mars
Answer: A) Venus
Question: What is the chemical symbol for oxygen?
A) O2
B) H2O
C) CO2
D) O3
Answer: A) O2
Question: What is the process of the Earth rotating on its axis called?
A) Revolution
B) Rotation
C) Orbiting
D) Axial tilt
Answer: B) Rotation
Question: Which of the following is a non-metal?
A) Iron
B) Copper
C) Oxygen
D) Calcium
Answer: C) Oxygen
Question: What is the chem
ical symbol for carbon dioxide?
A) CO
B) CO2
C) C2O
D) O2C
Answer: B) CO2.
