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

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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 density of gases increases when its ______...?

(A) Pressure increased
(B) Temperature increased

(C) Volume increased
(D) None of these

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

(A) motor
(B) generator

(C) moving-coil meter
(D) battery

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Which among the following is a good conductor of heat...?

(A) Wood
(B) Plastic

(C) Paper
(D) Copper

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Carbon,Diamond and Graphite are together called:___________...?

(A) Allotrope
(B) Isomers

(C) Isomorphs
(D) Isotopes

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Which is the outermost planet in the solar system...?

(A) Mercury
(B) Pluto

(C) Neptune
(D) Uranus

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Equator passes through one of these countries___________...?

(A) Saudi Arabia
(B) Italy

(C) Japan
(D) None

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Corona disease is a ________  disease...?

(A) Infectious diseases
(B) Deficiency disease

(C) Hereditary disease
(D) Physiological diseases

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The two chromatids are attached to each other at ______...?

(A) Telomere
(B) Histone

(C) Chromonema
(D) Centromere

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Which of the following statements is true when we see ‘rainbow’ ...?

(A) We face sun and raindrops
(B) The Sun remains behind us and we face raindrops

(C) In light rainfall, we face Sun
(D) The sky remains clear and the sun is at lower position in the sky

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