Daily Science MCQs

Daily Science MCQs from 86 to 90. Daily MCQs Test from general knowledge of Biology, Chemistry, Physics, and general science.

86. The number of oscillations per second is called the
(A) hertz
(B) waves
(C) pitch
(D) frequency

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

88. The guitar has __________ strings.
(A) 4
(B) 5
(C) 6
(D) 7

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

90. The unit used to measure ‘Pressure’ is
(A) pascal
(B) newton
(C) watt
(D) tesla

ANSWERS: DAILY SCIENCE MCQS
86. (D) frequency
87. (B) vibrations
88. (C) 6
89. (A) Cardiograph
90. (A) pascal. Next: Science MCQs 91–95

DAILY MCQS | SCIENCE MULTIPLE CHOICE QUESTIONS