The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...? Mcqs

Latest MCQs

The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called...?

(A) Air pollution
(B) Ozone depletion

(C) Acid rain
(D) Greenhouse effect

Latest MCQs

Example of gas having monoatomic molecules is ___________ ...?

(A) Nitrogen
(B) Nydrogen

(C) Neon and argon
(D) Oxygen and nitrogen

Latest MCQs

How many Number of eyes found in Earthworm...?

(A) One
(B) Many

(C) No eye
(D) Two

Latest MCQs

Atoms which lose electrons will become positively charged ion and they are known as...?

(A) Anions
(B) Ions

(C) Cations
(D) Isotopes

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Basidiospores are considered to be a major source of ___________...?

(A) airborne allergens
(B) water borne allergens

(C) animal faeces
(D) bio-weapon

Latest MCQs

In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

Latest MCQs

What are the reactants in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

Latest MCQs

Density of Water is_________...?

(A) 897 kg/m³
(B) 997 kg/m³

(C) 1000 kg/m³
(D) 1025 kg/m³

Latest MCQs

Which of the following cutting conditions greatly affects the tool wear...?

(A) Cutting speed
(B) Feed

(C) Depth of cut
(D) None of the above

Latest MCQs

Speed of sound in air per second is :...?

(A) 250 meters
(B) 331 meters

(C) 434 meters
(D) 343.2 meters

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