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

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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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Most asteroids orbit the sun in a region called the asteroid belt between...?

(A) Mars and Jupiter
(B) Jupiter and Saturn

(C) Mercury and Neptune
(D) Venus and Uranus

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

(A) Its leaves have parallel venation
(B) Its seed consist of one cotyledon

(C) Its flowers have three or multiple of three floral leaves
(D) Its flowers have four or multiple of four floral leaves

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In which stage of mitosis where chromosomes reach towards their respective poles...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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Medium sized kidney stones are removed by__________...?

(A) Dialysis
(B) Lithotripsy

(C) Excretion
(D) Laser

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Milk, meat, eggs and pulses provide us...?

(A) Protein
(B) Vitamin

(C) Mineral
(D) Carbohydrate

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Oxygen belongs to group VIA so number of electrons in its valence shell are _____...?

(A) 3
(B) 4

(C) 5
(D) 6

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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What is the distance of the star Proxima Centauri from the planet Earth ________...?

(A) 4.2 light years
(B) 3.2 light years

(C) 2.4 light years
(D) 1.5 light years

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Water has high density and minimum volume at__________...?

(A) 0°C
(B) 4°C

(C) 100°C
(D) None of these

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