Everyday Science

Q: The function of hemoglobin is

(a) :  Transportation of oxygen
(b) :  Destruction of bacteria
(c) :  Prevention of anemia
(d) :  Utilization of energy
(e) :  None
Answer:  Transportation of oxygen
Explanation:  

Q: When a person enters a dark room from bright light he is not able to see

(a) :  Eye is unable to adjust itself immediately
(b) :  Retina becomes insensitive momentarily
(c) :  Lris is unable to dilate the pupil immediately
(d) :  Distance between the lens and retina take time to adjusted
(e) :  None
Answer:  Lris is unable to dilate the pupil immediately
Explanation:  

Q: Dr. Abdus Salam of Pakistan was one of the contributors of the unification of:

(a) :  Electromagnetic force and gravitational force
(b) :  Electromagnetic force and weak nuclear force
(c) :   Gravitational force and weak nuclear force
(d) :  None of these
(e) :  None
Answer:  Electromagnetic force and weak nuclear force
Explanation:  

Q: Earthworm lives in

(a) :  sea water
(b) :  moist soil
(c) :  fresh water
(d) :  none of these
(e) :  None
Answer:  moist soil
Explanation:  

Q: Blood is cleaned by

(a) :  Lungs
(b) :  Liver
(c) :  Heart
(d) :  Kidneys
(e) :  None
Answer:  Kidneys
Explanation:  

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