Which isotope is used to identity efficiency rates of organic and inorganic fertilizers...? Mcqs

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Which isotope is used to identity efficiency rates of organic and inorganic fertilizers...?

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

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

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The maximum number of electrons K orbit possesses...?

(A) 2
(B) 4

(C) 6
(D) 8

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What is caused by the revolution of the Earth around the Sun...?

(A) Day and Night
(B) Summer and Winter

(C) Tides
(D) Earthquakes

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All forms of energy that we use are ultimately transformed into__________...?

(A) Electrical Energy
(B) Heat Energy

(C) Light Energy
(D) Chemical Energy

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The process of transferring a liquid without disturbing the solid particles is called...?

(A) Filtration
(B) Decantation

(C) Sedimentation
(D) Centrifugation

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When white light is passed through a prism, it splits into ______ colors....?

(A) 7
(B) 8

(C) 2
(D) 4

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The Sun has temperature of around 6,000 °C and glows ____...?

(A) Red
(B) Blue

(C) Green
(D) Orange/Yellow

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Select the correct sequence of biological organization...?

(A) Atom → Cell → Tissue → Molecule → Organ
(B) Atom → Tissue → Cell → Molecule → Organ

(C) Atom → Molecule → Cell → Tissue → Organ
(D) Atom → Cell → Molecule →Tissue → Organ

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The rod cells of retina are responsible for vision in...?

(A) Bright Light
(B) Dim light

(C) Summary atmosphere
(D) Shiny atmosphere

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The general formula for alkanes is _____...?

(A) CnH2n
(B) CnH2n+1

(C) CnH2n+2
(D) CnH2n-1

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