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: Iodine
Iodine is essential for the production of thyroid hormones, which regulate metabolism in the human body.
Answer: Saltwater
A homogenous mixture has uniform composition throughout, like saltwater where the salt is evenly dissolved in the water.
Answer: Catalyst
A catalyst speeds up a chemical reaction by lowering the activation energy, without being consumed in the reaction.
Place for ads
Answer: Malleable
Metals are malleable, meaning they can be hammered or rolled into thin sheets without breaking.
Answer: NaCl
Sodium chloride (NaCl) is the chemical name for table salt, composed of one sodium (Na) atom and one chlorine (Cl) atom.
Answer: Mercury
Mercury is a liquid at room temperature, unlike oxygen, nitrogen and water vapor, which are gases.
Place for ads
Answer: Absorb sunlight
Chlorophyll is a pigment in plants that absorbs sunlight, enabling photosynthesis to produce food for the plant.
Answer: Mitosis
Mitosis is the process by which eukaryotic cells divide to produce two identical daughter cells.
Answer: Solid
Solids have a definite shape and volume, with particles closely packed together in a fixed arrangement.
Place for ads
Answer: Lipids
The cell membrane is primarily composed of lipids, forming a bilayer that separates the inside of the cell from its external environment.
Place for ads