What do friction forces between the air and a moving object cause...? Mcqs

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What do friction forces between the air and a moving object cause...?

(A) Speed increase
(B) Weight decrease

(C) Resistance
(D) Energy gain

Latest MCQs

Which of the following is responsible for largest amount of oxygen on earth...?

(A) Peat bogs
(B) Algae

(C) Trees
(D) None of these

Latest MCQs

Which of the following organisms releases molecular oxygen into water...?

(A) E.coli
(B) Phytoplankton

(C) Amoeba
(D) Salmonella

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Which statement is/are correct about particles in gases...?

(A) Particles are widely spread out
(B) Particles are not in regular pattern and Particles have large empty spaces between them

(C) Particles are widely spread out
(D) All of these

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Which of the following is used to control rods in nuclear fission...?

(A) Graphite
(B) Heavy Water

(C) Cadmium
(D) All of these

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Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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Hepatitis is caused by: ____________...?

(A) Protozoans
(B) Algae

(C) Fungi
(D) Virus

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Chloroplast is double membrane bounded organelle have semifluid protein containing membrane called ____...?

(A) Stroma
(B) Nucleus

(C) Mitochondria
(D) Cytosol

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Which of the following is the reason of global warming...?

(A) Presence of sulphite
(B) Rise in CO2 concentration

(C) Oxides of nitrogen
(D) Formtion of ozone

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Which one of the following is the softest...?

(A) sodium
(B) iron

(C) aluminium
(D) lithium

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