- 20 Hz to 20,000 Hz
- 10 Hz to 5000 Hz
- 30 Hz to 30,000 Hz
- None of these
- a
-
Unit of Frequency is Hertz
Everyday Science MCQs
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SMD stands for:
- Surface Mentioned Diode
- Surface Mounted Diode
- Special Mounted Diode
- None of these
- b
-
LED stands for Light Emitting Diode.
SMD and LED are types of light.
SMD is better technology then LED.
Long sight defect can be correct by using…….
- Convex
- Concave
- Both A & B
- None of these
- a
-
Convex mirror is used in Cars.
In adults, Red Blood Cells are formed in:
- Spleen
- Liver
- Kidney
- Bone Marrow
- d
-
RBC stands for Red Blood Cells.
The lifespan of Red Blood Cells is about 120 days.
Study of Flowers is called:
- Anthology
- Phycology
- Anthology
- Mycology
- a
-
Study of flowers is also called Floricultre.
The atmospheric pressure at any place is measure by:
- Barometer
- Altimeter
- Pressure Meter
- Barometer
- a
-
Barometer was invented on 19th October 1643.
Which of the following vitamin is obtained from Orange?
- Vitamin A
- Vitamin B
- Vitamin C
- Vitamin D
- c
-
Apples also contain high amount of Vitamin C.
Grapes also contain Vitamin C.
The procedure in which plants prepare food is called:
- Meiosis
- Auto synthesis
- Photosynthesis
- Mitosis
- c
-
Plants converts Light Energy to Chemical Energy in Photosynthesis process.
What is the pH of blood?
- 7.1
- 7.4
- 7.8
- 8.0
- b
-
The pH of blood is between 7.35 to 7.45.
The pH of milk is between 6.5 to 6.7.
The pH of water is 7 (water has not qualities of Acid or Base)
In which year did man first step out on the moon?
- 1967
- 1969
- 1971
- 1973
- b
-
Ton 20th July 1969, American Astronauts Neil Armstron became first human to landed on Moon.