Characteristic odour of garlic is due to...? Mcqs

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Characteristic odour of garlic is due to...?

(A) A fluorine compoune
(B) A sulphur compound

(C) A chlorine compound
(D) None of these

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A narrow beam of white light passes from air into the glass and is refracted. The wave characteristic remains unchanged in its ______...?

(A) Direction
(B) Speed

(C) Frequency
(D) Wavelength

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Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?

(A) Direction
(B) Frequency

(C) Speed
(D) Wavelength

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The characteristic of sound by which we can differentiate between shrill and grave sound is _____...?

(A) Loudness
(B) Timbre

(C) Tone
(D) Pitch

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An undesirable change in the characteristics of air, water and land environment that is harmful to humans and living things is known as...?

(A) Pollutant
(B) Pollution

(C) Climate Change
(D) Global Warning

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Which of the following is not a characteristic of a wave...?

(A) An amplitude
(B) Period

(C) Mass
(D) Velocity

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Which of the following is not a characteristic of a Dicot Plants...?

(A) Its leaves have parallel venation
(B) Its leaves have netted venation

(C) Its seed consist of two cotyledon
(D) Its flowers have four or multiple of four floral leaves

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