Echo is a ___________ of sound...? Mcqs

Latest MCQs

Echo is a ___________ of sound...?

(A) Reflection
(B) Refraction

(C) Interference
(D) None

Latest MCQs

Atom is made up of____________different kinds of subatomic particles:...?

(A) Three
(B) Two

(C) Four
(D) None

Latest MCQs

Increase in rate of breathing is due to the following...?

(A) Increase CO2 in blood
(B) Increase O2 in blood

(C) Decrease CO2 in blood
(D) Decrease O2 in blood

Latest MCQs

Solid wastes that are not easily decomposed by decomposers are called...?

(A) Biodegradable
(B) Non-biodegradable

(C) Both A and B
(D) None

Latest MCQs

Animals, plants, human beings and microorganisms etc is/are an examples of...?

(A) Living Components
(B) Biotic Factors

(C) Both A and B
(D) Abiotic Factors

Latest MCQs

The deficiency of vitamin E causes _______ ...?

(A) Weak immune system
(B) Weak bones

(C) Lack of appetite
(D) Sterility

Latest MCQs

Which gas among the following is responsible for global warming due to the greenhouse effect...?

(A) Oxygen (O2)
(B) Nitrogen (N2)

(C) Carbon Dioxide (CO2)
(D) Helium (He)

Latest MCQs

Atom which loses two electrons from its outer shell to form ion is called...?

(A) Oxygen
(B) Potassium

(C) Magnesium
(D) Carbon

Latest MCQs

What is the body temperature of a normal man...?

(A) 81.1 °C
(B) 37.0 °C

(C) 98.6 °C
(D) 21.7 °C

Latest MCQs

When sound waves travel from air to water which of the following quantities remains unchanged...?

(A) Speed
(B) Frequency

(C) Intensity
(D) Wavelength

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