Everyday Science MCQS (p#5)

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Everyday Science MCQS(85-104)

85. In night, when photosynthesis is stopped, plants——-
(A) take in Carbon Dioxide
(B) take in Oxygen
(C) give off Carbon Dioxide
(D) give off Oxygen

86. During photosynthesis, plants——–
(A) take in Carbon Dioxide
(B) take in Oxygen
(C) give off Carbon Dioxide
(D) give off Oxygen

87. powerhouses of the cell are ________
(A) Mitochondria
(B) Vesicles
(C) Lungs
(D) Liver

88. Mitochondria contain their own supply of———
(A) DNA
(B) Amino acids
(C) Vitamins
(D) Oxygen

89. The first chemical explosive, Gunpowder, is a mixture of——-
(A) Sulfur, Charcoal and Nitrogen Oxide
(B) Sulfur, Charcoal, and Potassium Nitrate
(C) Sulfur and Charcoal
(D) Charcoal and Potassium Nitrate
90. The number of oscillations per second is called the——-
(A) hertz
(B) waves
(C) pitch
(D) frequency

91. Sound waves from a loudspeaker are caused by——–
(A) frequency
(B) vibrations
(C) pitch
(D) amplitude

92. The guitar has __________ strings.

Also read: General Knowledge Quiz Questions
(A) 4
(B) 5
(C) 6
(D) 7

93. The device used to measure movements of the heart is——-
(A) Cardiograph
(B) Seismograph
(C) Hydrometer
(D) Hygrometer

94. The unit used to measure ‘Pressure’ is——-
(A) pascal
(B) newton
(C) watt
(D) tesla
95. There are __________ methods of heat transfer.
(A) 3
(B) 4
(C) 5
(D) 6

96. Which from the following is NOT a method of heat transfer——–?
(A) Conduction
(B) Convection
(C) Radiation
(D) All are methods of heat transfer

97. If we heat one end of metallic rod, the other end gets hot.——-
(A) Conduction
(B) Convection
(C) Radiation
(D) None of these

98. A person seated in front of a fire receives heat by——–
(A) Conduction
(B) Convection
(C) Radiation
(D) None of these

99. The unit used to measure ‘magnetic flux’ is——–
(A) pascal
(B) farad
(C) weber
(D) henry
100. Battery was invented by——
(A) Volta
(B) Hero
(C) Fermi
(D) Maiman

101. The most abundant element in the earth’s crust is oxygen. The second most abundant element in the earth’s crust is——-
(A) Hydrogen
(B) Nitrogen
(C) Brass
(D) Silicon

102. The nearest planet to the Sun is——–
(A) Mercury
(B) Venus
(C) Mars
(D) Jupiter

103. Bronze is an alloy of——–
(A) Iron, Carbon
(B) Copper, Tin
(C) Nickel, Zinc
(D) Mercury, Lead

104. Molecules with identical molecular formulae but with different structural formulae are called——-
(A) Isotopes
(B) Isomers
(C) Electrode
(D) Compound

Also read: CURRENT AFFAIRS MCQS(page#1)
ANSWERS: Everyday Science  Quiz

85. (C) give off Carbon Dioxide
86. (D) give off Oxygen
87. (A) Mitochondria
88. (A) DNA
89. (B) Sulfur, Charcoal, and Potassium Nitrate
90. (D) frequency
91. (B) vibrations
92. (C) 6
93. (A) Cardiograph
94. (A) pascal
95. (A) 3
96. (D) All are methods of heat transfer
97. (A) Conduction
98. (C) Radiation
99. (C) weber
100. (A) Volta
101. (D) Silicon
102. (A) Mercury
103. (B) Copper, Tin
104. (B) Isomers