Which one of the following affects the photosynthesis and growth of plants...? Mcqs

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Which one of the following affects the photosynthesis and growth of plants...?

(A) Hydrogen
(B) Oxygen

(C) Nitrogen
(D) Acid Rain

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Latest MCQs

At room temperature most of ionic compounds are ______...?

(A) Amorphous solids
(B) Crystalline solids

(C) Liquids
(D) Gases

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Latest MCQs

Which statement is incorrect about gas molecules...?

(A) Molecules are widely separated
(B) Molecules have low attractive forces

(C) Molecules free to move in any direction
(D) Molecules collide with one another

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The maize seed is surrounded by a seed coat and it has an opening called...?

(A) Micropyle
(B) Embryo

(C) Endosperm
(D) None

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Deficiency of vitamin B1 is causes__________...?

(A) Rickets
(B) Bone Infection

(C) Beriberi
(D) Myopia

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Which thing resists between shoes and earth...?

(A) Rolling
(B) Friction

(C) Fluid
(D) sliding

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Rectified spirit contains alcohol about ...?

(A) 80%
(B) 95%

(C) 70%
(D) 85%

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In an MRI machine, which one of the following is used...?

(A) Sound wave
(B) ‘X’-ray

(C) Ultra-sound wave
(D) Magnetic wave

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Which of the following is the most toxic gas...?

(A) Carbon dioxide
(B) Carbon monoxide

(C) Nitrogen
(D) Hydrogen

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Metal are highly ___________ ...?

(A) Electropositive
(B) Electronegativity

(C) Both of these
(D) Neutral

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