The sum of protons and neutrons in the nucleus of an atom is known as ____...? Mcqs

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The sum of protons and neutrons in the nucleus of an atom is known as ____...?

(A) Atomic Mass
(B) Mass Number

(C) Atomic Number
(D) Valance Number

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How long does the earth take to cover 1° longitude...?

(A) 2 Minutes
(B) 3 Minutes

(C) 4 Minutes
(D) 5 Minutes

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Digital T.V emits that ______...?

(A) X rays
(B) Y rays

(C) Z rays
(D) Radio Waves

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Vertebrates animals that maintain a constant body temperature are called...?

(A) Cold-blooded
(B) Warm-blooded

(C) Both A and B
(D) None

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A pulsar is actually a___________...?

(A) Black hole
(B) White dwarf

(C) Red giant
(D) Neutron star

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Which gas is used to extract energy from food in respiration...?

(A) CO2
(B) N2

(C) O2
(D) H2

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Meteorology is the study of...?

(A) Seasons
(B) Atmosphere

(C) Air and sounds
(D) Winds and clouds

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First controlled fission of an atom was carried out in ________ on 1938....?

(A) U.S
(B) Germany

(C) Russia
(D) U.K

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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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What measurement scale is used to determine wind speed...?

(A) Richter Scale
(B) Beaufort Scale

(C) Meter-second scale
(D) None of these

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