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Looking for MCQs? You're in the right place! Whether you're preparing for competitive exams, school boards or just aiming to improve your knowledge, we offer MCQs for all levels and subjects.
Answer: Newton
The unit of force in the metric system is the Newton (N), named after Sir Isaac Newton.
Answer: Plants
Plants are the primary organisms that perform photosynthesis, converting light energy into chemical energy.
Answer: 1
The atomic mass of hydrogen is approximately 1 amu (atomic mass unit), the lightest element.
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Answer: Lemon juice
Lemon juice is acidic, with a pH of around 2, due to its high content of citric acid.
Answer: Nitrogen
Nitrogen makes up about 78% of Earths atmosphere, with oxygen making up around 21%.
Answer: Oxygen
Oxygen is the most abundant element in the Earths crust, followed by silicon.
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Answer: Protect organs
The skeletal system provides structure to the body, protects vital organs and facilitates movement.
Answer: Igneous
Igneous rocks form when magma or lava cools and solidifies, forming rocks like basalt and granite.
Answer: Coal
Coal is a nonrenewable resource because it takes millions of years to form and cannot be replenished within a human lifetime.
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Answer: Photosynthesis
Photosynthesis is the process by which plants use light energy to convert carbon dioxide and water into glucose and oxygen.
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