This is the 157 section from Everyday Science. These questions and answers will be from Microscope, Nitrogen, Oxygen and Retina.
Ques No.1: Dr. Abdus Salam of Pakistan was one of the contributors of the _______.
Ans: unification of Electromagnetic force and weak nuclear force
Ques No.2: Magnifying power of a simple microscope can be increased by _________.
Ans: decreasing focal length of the lens
Ques No.3: ________ gas as the composition of Nitrogen and Oxygen.
Ques No.4: Twinkling of stars is caused by __________.
Ans: Refraction of light
Ques No.5: Sensitive layer of the eye is _______.
Ques No.6: The deepest place on earth is _________.
Ans: Mariana trench
Ques No.7: The name of the common mineral salt present in sweat is _________.
Ans: Sodium Chloride
Ques No.8: ______ is the unit for measuring the flow of liquids/flow rate, equal to one cubic foot per second.
Ques No.9: Study of life in outer space is known as _________.
Ques No.10: A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used __________.
Ans: To detect nuclear radiation
Everyday Science Questions & Answers Section 158
Everyday Science Questions & Answers Section 159
Everyday Science Questions & Answers Section 160
Everyday Science Questions & Answers Section 161
Everyday Science Questions & Answers Section 162