Important Everyday science McQs.

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(Important Everyday science (40) McQs):

1. Estrogens are secreted by:

(a) Ovary (✓✓✓)

(b) Stroma

(c) follicle cells

(d) Thoracic cavity

2. 18. Lungs are situated in:

(a) Thoracic cavity (✓✓✓)

(b) Buccal cavity

(c) Periodical cavity 

(d) None of these

3. Which of the following hormones contains iodine?

(a) Adrenaline

(b) Thyroxine (✓✓✓)

(c) Insulin

(d) Testosterone

4. Respiratory centre is situated in:

(a) Cerebrum

(b) Medulla (✓✓✓)

(c) Cerebellum

(d) None

5. During sleep, the man's blood pressure:

(a) Decreases

(b) Fluctuates (✓✓✓)

(c) Increases

(d) None

6. The number of factors required for blood clotting is:

(a) 7

(b) 11

(c) 13 (✓✓✓)

(d) 17

7. 25. The pH of human blood is:

(a) 6.5-7

(b) 7.35-7.45 (✓✓✓)

(c) 8-9

(d) 4.5-5

8. 26. The largest gland in the human body is:

(a) Heart

(b) Kidney

(c) Liver (✓✓✓)

(d) Brain

9. A heart beat requires approximately:

(a) 0.8 seconds (✓✓✓)

(b) 20 seconds

(c) 1 minute

(d) 50 seconds

10. Ultra filtering unit of kidney is known as:

(a) Nephron (✓✓✓)

(b) Glomerulus

(c) Tubule

(d) Vena cava

11. In metabolism, enzymes act as:

(a) Promoter

(b) Catalyst (✓✓✓)

(c) Oxidant

(d) Reductant

12. Life of RBC in human blood is of:

(a) 130 days

(b) 120 days (✓✓✓)

(c) 110 days

(d) 100 days

13. Saliva in man is (6.7-7.4):

(a) Acidic

(b) Alkaline

(c) Relatively Neutral (✓✓✓)

(d) None of these

14. The main constituent of haemoglobin is:

(a) Magnesium

(b) Iron (✓✓✓)

(c) Calcium

(d) Chlorine

15. How many teeth are known as milk teeth in human beings?

(a) 14

(b) 12

(c) 15

(d) 20 (✓✓✓)

16. Whose invention is Polaroid camera?

(a) Wilson

(b) Edwin H. Land (✓✓✓)

(c) Fisher

(d) Newton

17. The largest part of the human brain is:

(a) Cerebellum

(b) Cerebrum (✓✓✓)

(c) Mid-brain

(d) Medulla oblongata

18. Retina in the eyes act as a:

(a) Film in the camera (✓✓✓)

(b) Lens in the Camera

(c) Shutter in the Camera

(d) None of these

19. Only glucose is used for energy requirement by:

(a) Kidney

(b) Muscles

(c) Brain (✓✓✓)

(d) Liver

20. Nervous system is affected by the shortage of:

(a) Oxygen

(b) Sulphur

(c) Carbon

(d) Sodium (✓✓✓)

21. Accumulation of water in tissues is caused by the:

(a) Vitamin B (✓✓✓)

(b) Vitamin C

(c) Vitamin D

(d) Vitamin A

22. Leprosy is treated by:

(a) Penicillin

(b) Erythromycin

(c) Sulphones (✓✓✓)

(d) Tetracycline

23. Deficiency of iron in diet causes:

(a) Jaundice

(b) Anaemia (✓✓✓)

(c) Vomiting

(d) Tension

24. A defect in eye lens due to dispersion of light is called:

(a) Myopia

(b) Chromatic aberration (✓✓✓)

(c) Spherical aberration

(d) None of these

25. Who invented the audio cassettes?

(a) Phillips

(h) Sharp Company (✓✓✓)

(c) Hitachi

(d) National Company

26. Which part of the body is affected by drinking alcohol? 

(a) Lungs

(b) Liver (✓✓✓)

(c) Kidney

(d) None of these

27. Blood grouping was discovered by:

(a) William Harvey 

(b) Landsteiner (✓✓✓)

(c) Robert Koch

(d) Chadwick

28. Transistor was invented by:

(a) Baird

(b) Shockley (✓✓✓)

(c) Marconi

(d) Graham Bell

29. Which of the science deals with tumour?

(a) Oncology (✓✓✓)

(b) Serology

(c) Ornithology

(d) Chronology

30. Barometer was invented by:

(a) J. L. Baird

(b) Torricelli (✓✓✓)

(c) Watson

(d) Darwin

31. The vitamin which cannot be had from any vegetables is:

(a) Vitamin B

(b) Vitamin D (✓✓✓)

(c) Vitamin C

(d) Vitamin K

32. Glucose syrup is made from:

(a) Oat

(b) Wheat

(c) Maize (✓✓✓)

(d) Rice

33. Which of the following diseases is caused due to defective genes?

(a) Diabetes

(b) Ulcer

(c) Haemophilia (✓✓✓)

(d) Cancer

34. Excess of vitamin A accumulates in:

(a) Arteries

(b) Bones

(c) Liver (✓✓✓)

(d) Intestine.

35. Whitney's invention is:

(a) Pendulum

(b) Photoelectric cell (✓✓✓)

(c) Cotton gin

(d) Phonograph

36. Meningitis is a disease which affects the:

(a) Kidneys

(b) Brain (✓✓✓)

(c) Liver

(d) Heart

37. The inventor of the parachute is: 

(a) Blanchard (✓✓✓)

(b) Marconi

(c) Richter

(d) Berliner

38. Who invented the fountain pen?

(a) Waterman (✓✓✓)

(b) Burson

(c) Colt

(d) Spenser

39. Which of the following is Galileo's invention? 

(a) Telephone (✓✓✓)

(b) Pendulum

(c) Frequency

(d) Tank

40. Gun was invented by:

(a) Bushnell

(b) Browning

(c) Plante (✓✓✓)

(d) Parson