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Science and Inventions

Practice Science and Inventions MCQs for Pakistan exams (CSS, FPSC, PPSC, NTS) — 33 practice questions with answers and explanations.

Which statement correctly explains Marie Curie?
What term is best described by the following? the chemical element with the symbol O that is essential for human respiration.
Select the accurate description of Oxygen.
Select the correct name for: the gas absorbed by plants during photosynthesis and released by humans during respiration.
What is Carbon Dioxide known for?
Which of these terms is defined as follows: the chemical compound made of two hydrogen atoms and one oxygen atom?
Which of the following correctly describes Water (H2O)?
Choose the term that matches this description: the first widely used antibiotic, discovered by Alexander Fleming.
Choose the statement that best explains Penicillin.
Which term refers to the inventors credited with building and flying the first successful powered airplane?
What does The Wright Brothers refer to?
What is the name for the astronomer often credited as a key figure in developing the telescope for astronomical observation?
Which of the following best describes Galileo Galilei?
Identify the correct term described as: the molecule that carries genetic instructions in living organisms.
DNA is best defined as which of the following?
The process by which green plants use sunlight to convert carbon dioxide and water into food. What is this called?
Choose the correct description of Photosynthesis.
Which of the following best names: the force that attracts objects toward the center of the Earth?
Identify the correct description of Gravity.
The following describes a specific term. What is it called? the ancient Greek mathematician known for his principle relating to the buoyancy of objects in fluid.

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