Exposure to sunlight helps a person improve his health because ________...? Mcqs

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Exposure to sunlight helps a person improve his health because ________...?

(A) Resistance power increases
(B) The infrared light kills bacteria in the body

(C) The ultraviolet rays convert skin oil into Vitamin D
(D) The pigment cells in the skin get stimulated and produce a healthy tan

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_______ is called folic acid....?

(A) Vitamin B1
(B) Vitamin B6

(C) Vitamin B9
(D) Vitamin B12

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Which of the following substances contain disease producing pathogens in the weakened form...?

(A) Vaccines
(B) Antibiotics

(C) Antibodies
(D) Plasmids

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Toy age refers to __________...?

(A) Early childhood
(B) Late childhood

(C) Baby hood
(D) All of Above

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Bronze medal is made up of metals ...?

(A) copper,nickel
(B) copper, tin

(C) copper, silver
(D) copper, zinc

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What is cVDPV2...?

(A) Corona Virus New variant
(B) Type-II Cancer

(C) Poliovirus Type-II
(D) Wild Poliovirus

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Which supplies food from the endosperm to the developing embryo in maize seed...?

(A) Embryo
(B) Endosperm

(C) Seed coat
(D) Cotyledon

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Aeroplanes fly in ______...?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Thermosphere

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Which isotope is used to investigate carbon uptake and biochemical pathways in plants...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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The neutral atoms of all of the isotopes of the same element have _______...?

(A) Different numbers of protons
(B) Exact numbers of neutrons

(C) An exact number of protons
(D) An exact number of nucleons

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