Jss1 first term basic science past Questions and Answers

Jss1 first term basic science past Questions and Answers

Here are 20 basic science exam questions for JSS1 first term, along with options and answers:

Question: What is the chemical symbol for oxygen?

Options:

a) O2

b) Ox

c) O

d) Oxy

Answer: c) O

Question: Which planet is known as the "Red Planet"?

Options:

a) Venus

b) Mars

c) Jupiter

d) Saturn

Answer: b) Mars

Question: What is the process by which plants make their own food using sunlight?

Options:

a) Photosynthesis

b) Respiration

c) Digestion

d) Fermentation

Answer: a) Photosynthesis

Question: Which of the following is a renewable source of energy?

Options:

a) Coal

b) Natural Gas

c) Solar Power

d) Petroleum

Answer: c) Solar Power

Question: What is the chemical symbol for water?

Options:

a) H2O

b) CO2

c) O2

d) NaCl

Answer: a) H2O

Question: What is the smallest unit of matter?

Options:

a) Atom

b) Molecule

c) Cell

d) Element

Answer: a) Atom

Question: Which gas do plants absorb from the atmosphere during photosynthesis?

Options:

a) Oxygen

b) Carbon Dioxide

c) Hydrogen

d) Nitrogen

Answer: b) Carbon Dioxide

Question: What is the SI unit of time?

Options:

a) Meter

b) Kilogram

c) Second

d) Hour

Answer: c) Second

Question: Which planet is the largest in our solar system?

Options:

a) Mercury

b) Venus

c) Earth

d) Jupiter

Answer: d) Jupiter

Question: What is the chemical symbol for gold?

Options:

a) Go

b) Gd

c) Au

d) Gl

Answer: c) Au

Question: Which gas is responsible for the blue color of the sky?

Options:

a) Oxygen

b) Carbon Dioxide

c) Nitrogen

d) Oxygen

Answer: c) Nitrogen

Question: What is the boiling point of water in degrees Celsius?

Options:

a) 100°C

b) 0°C

c) -100°C

d) 212°F

Answer: a) 100°C

Question: What is the process of the Earth spinning on its axis called?

Options:

a) Revolution

b) Rotation

c) Gravitation

d) Oscillation

Answer: b) Rotation

Question: Which of the following is a conductor of electricity?

Options:

a) Plastic

b) Wood

c) Copper

d) Glass

Answer: c) Copper

Question: What is the primary source of energy for most living organisms?

Options:

a) Wind

b) Sunlight

c) Fossil Fuels

d) Water

Answer: b) Sunlight

Question: Which gas do humans primarily exhale when they breathe out?

Options:

a) Oxygen

b) Carbon Dioxide

c) Hydrogen

d) Nitrogen

Answer: b) Carbon Dioxide

Question: What is the chemical symbol for iron?

Options:

a) Fe

b) Ir

c) In

d) Io

Answer: a) Fe

Question: Which of the following is a greenhouse gas?

Options:

a) Oxygen

b) Carbon Dioxide

c) Nitrogen

d) Hydrogen

Answer: b) Carbon Dioxide

Question: What is the force that attracts two objects with mass towards each other?

Options:

a) Friction

b) Magnetism

c) Gravity

d) Tension

Answer: c) Gravity

Question: What is the chemical symbol for silver?

Options:

a) S

b) Si

c) Ag

d) Sl

Answer: c) Ag