681. When water is filled in a bottle and is allowed to freeze, the bottle breaks because
✅ B. Water expands on freezing
Everyday Science MCQs – Page 35
682. Which Organ is affected by trachoma?
✅ C. Eyes
683. Afternoon rains in the equatorial region are the result of influences __?
✅ D. Convectional
684. Hygrometer is used for measuring the _______?
✅ C. Humidity of air
685. Spinach leaves are rich source of___
✅
686. The Saturn rings discovered by______?
✅ C. Galileo
687. Diamond is harder than Graphite because of______?
✅ B. Difference in crystalline Structure
688. Lead ball falls through water more slowly than through air because _____?
✅ C. Of the viscous force in water
689. Sound waves are ____ waves.
✅ C. Longitudinal
690. The matter of our sun is in ___ state?
✅ D. Plasma
691. The most abundant element in the Earth’s crust is _____?
✅ B. Oxygen
692. Which is the outermost planet in the solar system?
✅ C. Neptune
693. Which of the following cells are Colourless?
✅ A. White blood cells
694. How many rows and columns are in the modern Periodic Table?
✅ B. 18 columns and 7 rows
695. Oxidation is a chemical reaction involving the _____?
✅ A. Loss of Electrons
696. When a patient’s immune system becomes reactive to a drug, this is an example of?
✅ C. Allergy
697. Which of these is a micronutrient of plants?
✅ C. Boron
698. Approximate age of milky-way is ___?
✅ C. 13.5 billion years
699. Which of the following waves have smallest velocity in vacuum?
✅ A. Sound
700. Which of the following is nutritional deficiency disease?
✅ D. Pellagra