4781. Scientific Name of Human is_______?
✅ B. Homo sapiens
Everyday Science MCQs – Page 240
4782. A Rhinoscope (or Nasoscope) is a thin, tube-like instrument used to examine the inside of the_____?
✅ A. Nose
4783. When oil and gas resources are burnt they kill many forests and lakes by ______ ?
✅ C. acid rain
4784. Science is derived from Latin word “scientia” which means____?
✅ C. Knowledge
4785. What is the main component of bones and teeth?
✅ A. Calcium phosphate
4786. The most splendid and the most magnificent constellation on the sky is?
✅ B. Orion
4787. Which process includes all of the other processes listed?
✅ D. Metabolism
4788. Which of the following is a component of soap?
✅ A. Sodium stearate
4789. 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
4790. How many pairs of walking legs does a cockroach have?
✅ C. Three
4791. Who is considered the “father of psychoanalysis?
✅ B. Sigmund Frend
4792. Phobos is the natural satellite of which planet_____ ?
✅ B. Mars
4793. 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
4794. Air Conditioning Controls:______?
✅ D. All of The Above
4795. ELISA’ test is employed to diagnose?
✅ A. AIDS antibodies
4796. Which of the following in the human body is affected by leukemia?
✅ B. Blood
4797. The natural source of hydrocarbon is:______?
✅ B. Crude oil
4798. Which of the following protects the body against infectious disease and foreign invaders?
✅ B. Leukocytes
4799. The major ingredient of leather is________?
✅ B. Collagen
4800. The most abundant element in the universe is _____.
✅ A. Hydrogen