The evaporation of water from aerial parts of the plant especially through leaves is called...? Mcqs

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The evaporation of water from aerial parts of the plant especially through leaves is called...?

(A) Translocation
(B) Photosynthesis

(C) Respiration
(D) Transpiration

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Mass of Earth is _____...?

(A) 6.0 x 10^23 kg
(B) 6.0 x 10^24 kg

(C) 6.0 ´ 10^25 kg
(D) 6.0 ´ 10^26 kg

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Which of the following is a non-luminous object...?

(A) Burning coal
(B) Glassware

(C) Fireworks
(D) Jupiter

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A thick layer of air that surrounds the earth is known as...?

(A) Ozone
(B) Atmosphere

(C) Stratosphere
(D) Hydrosphere

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Who was the first to measure the earth’s circumference...?

(A) Eratosthenes
(B) Galileo

(C) Copenicus
(D) Ptolemy

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Feeding sequences and relationships are called...?

(A) Food webs
(B) Ecosystem

(C) Food chains
(D) Habitats

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____________ contains 75–80 % of the mass of the atmosphere....?

(A) Stratosphere
(B) Mesosphere

(C) Thermosphere
(D) Troposphere

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Animals which are at the risk of extinction in future called...?

(A) Vulnerable
(B) Extinct

(C) Threatened
(D) Endangered

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The angle of incidence of a ray for which the angle of refraction is 90° is called ____...?

(A) Refracted Angle
(B) Critical Angle

(C) Incident Angel
(D) Angle of Deviation

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Which of these is not a Metamorphic rock...?

(A) Quartzite
(B) Slate

(C) Gneiss
(D) Schist

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