General Science MCQs

Question:

The color of the sky looks blue because?

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A: Sky is made up of blue color particles
B: Blue color is more prominent in sunlight
C: Blue color of light is of shorter wavelength, so these waves are easily scattered by dust particles and water vapour
D: Blue color is of longer wavelength
Answer: C

Question:

A device which converts chemical energy into electrical energy is called __________?

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A: motor
B: generator
C: moving-coil meter
D: battery
Answer: D

Question:

For a fixed mass of gass at constant temperature, if we decrease volume, the pressure will _________?

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A: also decrease
B: increase
C: remains constant
D: none of these
Answer: B

Question:

Virus is the word of language?

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A: English
B: Roman
C: Greek
D: Latin
Answer: D

Question:

What is the range in hertz of a normal human hearing?

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A: 10 Hz to 10 kHz
B: 2000Hz
C: 20 Hz to 20 kHz
D: 40 Hz to 40 kHz
Answer: C

Question:

The study of drug is known as:

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A: Pathology
B: Biochemistry
C: Psychology
D: Pharmacology
Answer: D

Question:

How many times a average normal human heart beats in a minute:

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A: 60 to 70 Beats
B: 45 to 70 Beats
C: 50 to 80 Beats
D: 60 to 100 Beats
Answer: D

Question:

Eggs are a rich sourece of:

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A: proteins
B: vitamins
C: calciums
D: none
Answer: A

Question:

Mycology is the study of what know as:

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A: Bacteria
B: Virus
C: Fungi
D: Muscles
Answer: C

Question:

What is the average weight of a new born baby:

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A: 2.5 Kilograms
B: 3.5 Kilograms
C: 4.5 Kilograms
D: 1.6 Kilograms
Answer: B

Question:

Which vitamin requires cobalt for its activity:

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A: Vitamin B12
B: Vitamin D
C: Vitamin B2
D: Vitamin A
Answer: A

Question:

The Latin name of Iron:

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A: Argentum
B: Natrium
C: Aurum
D: Ferrum
Answer: D

Question:

The Latin name of sodium

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A: Argentum
B: Natrium
C: Aurum
D: Ferrum
Answer: B

Question:

Producers, consumers and decomposers are dependent on each other for their

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A: growth
B: reproduction
C: breathing
D: survival
Answer: D

Question:

Soft portion of carcass of a dead lion is feed for

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A: vultures
B: hyenas
C: both a and b
D: crocodile
Answer: C

Question:

Rest of dead body left after consumers feed is

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A: decomposed
B: disappeared
C: reacted
D: spread
Answer: A

Question:

Carnivores and omnivores are considered as

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A: producers
B: consumers
C: primary consumers
D: secondary consumers
Answer: D

Question:

According to pyramid of numbers number of producer is greater than number of

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A: herbivores
B: carnivores
C: scavengers
D: omnivores
Answer: A

Question:

Decay is breaking down or decomposition of

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A: fish
B: birds
C: waste matter
D: animals
Answer: C

Question:

A change in food web to any population have effect on

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A: other population
B: antibiotic factors
C: water
D: trees
Answer: A