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Solved Everyday Science MCQs Question Answers
Q.1: The horizontal rows of the periodic table are called ------ ?
- Groups
- Periods
- Sets
- Matrices
B
Q.2: Which of the following is a mammal ?
- Ostrich
- Crocodile
- Platypus
- Duck
C
Q.3: Border line which separates outer space from Earth’s atmosphere is known as---------- ?
- Durand line
- Space line
- Venus line
- Karman line
D
Q.4: Bromine is a---------- ?
- black solid
- red-brown liquid
- colourless gas
- highly inflammable gas
B
Q.5: An extremely small piece of silicon on which integrated circuits are implicated is called -------- ?
- Card Reader
- Hollerith Code
- Feed
- Chip
D
Q.6: Circadian Rhythm refers to --------- ?
- Planetary movements
- Formation of galaxies
- Human body cycles
- Calisthenics
C
Q.7: Which of the following conditions related to smoking involves damage to the alveoli sacs ?
- Lung Cancer
- Atherosclerosis
- Emphysema
- Asthma
C
Q.8: The atmospheric greenhouse effect is produced mainly by the ----------- ?
- Absorption and re-emission of visible light by the atmosphere
- Absorption and re-emission of ultraviolet radiation by the atmosphere
- Absorption and re-emission of infrared radiation by the atmosphere
- Absorption and re-emission of visible light by clouds
- Absorption and re-emission of visible light by the ground
C
Q.9: Salinization is -------- ?
- Accumulation of salts in water
- Accumulation of salts in soil
- Accumulation of salts in body
- Accumulation of salts in animals
C
Q.10: The blueness of the sky is mainly due to ---------- ?
- The scattering of sunlight by air molecules
- The presence of water vapor
- Absorption of blue light by the air
- Emission of blue light by the atmosphere
A
Q.11: When oil and gas resources are burnt they kill many forests and lakes by ------------- ?
- deforestation
- water pollution
- acid rain
- forest fire
C
Q.12: A term biotype means ---------- ?
- all individuals having same phenotype
- all individuals having same genotype
- all individual with different phenotype
- all individuals with different genotype
A
Q.13: Melanoma (skin cancer) is associated with --------- ?
- ozone accumulation
- ozone depletion
- acid rain
- allergens
B
Q.14: Tesla is the unit of------------ ?
- Magnetic Field Strength
- Electric Field Strength
- Gravitational Field Strength
- Nuclear Field Strength
A
Q.15: The instrument that measures temperature, pressure, and humidity at various altitudes in the atmosphere ------- ?
- Barograph
- Radiosonde
- Aneroid barometer
- Altimeter
B
Q.16: What is the mass of the Sun ?
- 1.5×10 Power 30 Kg
- 1.98×10 Power 30 Kg
- 4.5×10 Power 30 Kg
- 8×10 Power 30 Kg
B
Q.17: Constellations referred to as zodiac, are-------- ?
- Imaginary regions that encompass the path of the planets
- Signs of Roman gods
- A group of stars
- None of these
A
Q.18: Isobars are the lines connecting the places having same:-------- ?
- Pressure
- Rainfall
- Height
- Temperature
A
Q.19: Which of the following is the largest planet ?
- Neptune
- Jupiter
- Saturn
- Mars
B
Q.20: Among the planets of the Solar system the position of the Earth from the Sun is:-------- ?
- Second
- Third
- Fourth
- Sixth
B
