Place for ads
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: Oxygen
Oxygen is the most abundant element in the human body, primarily found in water and tissues.
Answer: Nitrogen
Nitrogen (N2) makes up approximately 78% of Earths atmosphere, making it the most abundant gas.
Answer: Ampere
The unit of electric current is the Ampere (A), which measures the flow of electric charge.
Place for ads
Answer: Stapes
The stapes, located in the middle ear, is the smallest bone in the human body.
Answer: Solar energy
Solar energy is renewable because it is replenished continuously by the Sun and can be harnessed using solar panels.
Answer: Ionic bond
An ionic bond is formed when electrons are transferred from one atom to another, creating positively and negatively charged ions.
Place for ads
Answer: CH4
Methane is a simple hydrocarbon with the chemical formula CH4, consisting of one carbon atom and four hydrogen atoms.
Answer: Melting
Melting occurs when a solid absorbs heat and changes into a liquid, like ice turning into water.
Answer: Carbon dioxide
Cellular respiration produces energy (ATP), water and carbon dioxide as waste products.
Place for ads
Answer: Chemical energy
Food contains chemical energy, which is released through digestion and metabolism to fuel bodily processes.
Place for ads