A pulsar is a rapidly spinning neutron star which emits:...? Mcqs

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A pulsar is a rapidly spinning neutron star which emits:...?

(A) A blinding light when it aligns with the planets
(B) Radio waves detectable from Earth

(C) A gravitational pull which attracts high energy dust particles
(D) Enough energy to power itself indefinitely

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The depletion of ozone layer has been caused mainly by _____...?

(A) The release of industrial waste
(B) The deforestation of large area land

(C) The release of chlorofluorocarbons into the atmosphere
(D) None of these

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Which of the following cannot be polarized...?

(A) Radio waves
(B) Ultraviolet rays

(C) X-rays
(D) Ultrasonic waves

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How many kgs are in one ton...?

(A) 707
(B) 907

(C) 807
(D) 607

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The green pigment present in leaves is called...?

(A) Chloroplast
(B) Chromoplast

(C) Chlorophyll
(D) None

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What is the wavelength of visible spectrum:...?

(A) 1300-3000A
(B) 3900-7600A

(C) 7800-8000A
(D) None of these

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Keeping oneself clean is called...?

(A) Sanitation
(B) Hygiene

(C) Cleanliness
(D) Grooming

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Deficiency diseases are caused due to the deficiency of___________...?

(A) Proteins
(B) Vitamins

(C) Carbohydrates
(D) Fats

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An abnormally great desire for food, excessive eating is called...?

(A) Dysphagia
(B) Bulimia nervosa

(C) Phagia
(D) None of the above

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Richer Scale is used for measuring _____...?

(A) Strength of an earthquake
(B) Sound waves

(C) Pollution of atmosphere
(D) None of these

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