4601. The disease “Itai Itai “is caused by_______?
✅ A. Cadmium
Everyday Science MCQs – Page 231
4602. Kilowatt-hour is a unit of_______?
✅ C. Energy
4603. How many time zones are there in the world?
✅ D. 24
4604. Fatal degenerative lung disease caused by particulate asbestos is referred to as ________?
✅ B. asbestosis
4605. What melted rock eventually becomes lava?
✅ C. Magma
4606. Magnalium is an alloy of________?
✅ C. Aluminium and Magnesium
4607. Who invented the safety pin?
✅ C. Walter Hunt
4608. Sedimentary rocks are_____?
✅ B. Porous
4609. Sun revolves around milky way in about _____ million years.
✅ A. 230
4610. At what temperature does silver melt?
✅ C. 961.8 °C
4611. Which of the following has not involuntary muscles?
✅ D. Brains
4612. Which of the following is a Non Metal that remains Liquid at room temperature?
✅ A. Bromine
4613. Which one of the following is a non-metallic mineral?
✅ C. Gypsum
4614. One Joule is equal to_____?
✅ C. 107 ergs
4615. The best conductor of heat among liquid is______?
✅ A. Mercury
4616. Magnifying power of a simple microscope can be increased by ?
✅ A. Decreasing focal length of the lens
4617. The Big Dipper is part of which constellation?
✅ A. Ursa Minor
4618. What type of a mirror is used in anti-shop-lifting-devices?
✅ B. Convex mirror
4619. The rear view mirror of a motor vehicle is ___?
✅ C. Convex
4620. Which is the heaviest metal?
✅ D. Osmium