Solve MCQs Online Test Everyday Sciences

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Q.1: In which layer of atmosphere does commercial aircrafts usually fly ?

1. Stratosphere
2. Troposphere
3. Mesosphere
4. Thermosphere

A

Q.2: Approximate age of milky-way is ------- ?

1. 16.5 billion years
2. 15.5 billion years
3. 13.5 billion years
4. 14.5 billion years

C

Q.3: Common food sources of Vitamin A are:-------- ?

1. Milk, eggs, butter, cheese, cream, and liver
2. White sugar, honey, and sugar cane
3. Broccoli, apricots, cantaloupe, carrots, sweet potato, spinach
4. Both A and C

D

Q.4: Which of the following is not a Fat-soluble vitamin ?

1. Vitamin B5
2. Vitamin B6
3. Vitamin B3
4. Vitamin B2

B

Q.5: In Space, our Body------ ?

1. Gains Weight
2. Loses Weight
3. No Change
4. Little Change

B

Q.6: The Time taken for sunlight to reach the Earth is------- ?

1. 700 sec
2. 8hrs 20 mins
3. 8 mins 20 sec
4. 8 mins

C

Q.7: How long does it take for the moon to orbit the earth once ?

1. 26.3 days
2. 27.3 days
3. 28.3 days
4. 30.3 days

B

Q.8: Density of Ice is-------- ?

1. 800kg/m3
2. 917kg/m3
3. 930kg/m3
4. 1000kg/m3

B

Q.9: How many Dynes are there in one gram weight ?

1. 993
2. 981
3. 250
4. 375

B

Q.10: ‘Bar’ is the unit of--------- ?

1. Temperature
2. Heat
3. Atmospheric pressure
4. Current

C

Q.11: Which of the following does not pollute the air ?

1. Nitrogen Dioxide
2. Sulfur dioxide
3. Carbon dioxide
4. none of these

A

Q.12: The study of heavenly bodies is known as-------- ?

1. Astrology
2. Astronautics
3. Astronomy
4. Astrophysics

C

Q.13: Human beings use ------- liters of pure oxygen per day ?

1. 550
2. 2500
3. 1,050
4. 10,000

A

Q.14: Why normal rain is slightly acidic ?

1. due to presence of dust in air
2. carbon dioxide and water in clouds react to form carbonic acid
3. Ozone depletion
4. All of these

B

Q.15: The study of organisms and their environment is known as ------ ?

1. Acoustics
2. Ecology
3. Ichthyology
4. None of these

B

Q.16: The study of fish is known as ------ ?

1. Entomology
2. Ichthyology
3. Ecology
4. None of these

B

Q.17: Density of Milk is------- ?

1. 1.024 g/cm3
2. 1.034 g/cm3
3. 1.044 g/cm3
4. 1.054 g/cm3

B

Q.18: How many layers of Atmosphere ?

1. 2
2. 3
3. 4
4. 5

D

Q.19: According to many, including the Guinness Book of World Record,--------is the world’s rarest mineral ?

1. Painite
2. Benitoite
3. Jadeite
4. Taaffeite

A

Q.20: Echo is a ----------- of sound ?

1. Reflection
2. Refraction
3. Interference
4. None

A