381. The Temperature of the surface of Sun is__?
✅ B. 5,778 Kelvin
Everyday Science MCQs – Page 20
382. The planets visible to us without using a telescope are _____?
✅ C. 5
383. What is the name of the central part of the earth?
✅ A. Core
384. Which of the following layers make radio transmission possible?
✅ A. Ionosphere
385. Chemical used to kill rats and mice are ?
✅ A. Rodenticides
386. AIDS virus is_______
✅ B. Single-stranded RNA
387. When a star becomes a singularity and has zero volume and infinite density, it is called_____?
✅ D. Black hole
388. The principle used in radar is the same as that of Sonar. In radar we use radio waves ; whereas in sonar we use ?
✅ C. Ultrasonic
389. All forms of energy that we use are ultimately transformed into_____?
✅ A. Heat Energy
390. What is the average weight of Human Heart?
✅ B. 300 gram
391. An astronaut inside a spacecraft is in a state of weightlessness. This implies that?
✅ D. The astronaut and the spacecraft are both in a free-failing state
392. Biopsy is done on tissues taken from_____?
✅ C. Living body
393. Rusting of Iron involves_____?
✅ A. Oxidation
394. Water has maximum density at_______?
✅ A. 4°C
395. Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of _____ ?
✅ B. Snow
396. Deficiency diseases are caused due to the deficiency of______?
✅ A. Vitamins
397. The study of X-rays and their medical applications is called ____ ?
✅ B. Radiology
398. What is the molecular formula for Ammonia?
✅ C. NH3
399. Most drugs are excreted through________?
✅ B. Kidney
400. Which variety of glass is heat resistant?
✅ D. Pyrex glass