1681. The half life of a radioactive element is 8-days. How long it take to reduce it from 10 mg to 5 mg?
✅ D. 8 days
Author: Aurangzeb – Page 85
1682. How many pairs of walking legs does a cockroach have?
✅ C. Three
1683. Who is considered the “father of psychoanalysis?
✅ B. Sigmund Frend
1684. Phobos is the natural satellite of which planet_____ ?
✅ B. Mars
1685. A man is standing on a weighing machine in a lift which is moving. The weighing machine will slow MINIMUM reading when, the lift is moving?
✅ C. In a free fall due to failure of the lift mechanism
1686. Air Conditioning Controls:______?
✅ D. All of The Above
1687. ELISA’ test is employed to diagnose?
✅ A. AIDS antibodies
1688. Which of the following in the human body is affected by leukemia?
✅ B. Blood
1689. The natural source of hydrocarbon is:______?
✅ B. Crude oil
1690. Which of the following protects the body against infectious disease and foreign invaders?
✅ B. Leukocytes