Ten identical steel balls, each with a mass of 27 g, are immersed in a measuring cylinder initially containing a certain volume of water. The water level rises by 50 cm³ after immersing the balls. What is the density of the steel...? Mcqs

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Ten identical steel balls, each with a mass of 27 g, are immersed in a measuring cylinder initially containing a certain volume of water. The water level rises by 50 cm³ after immersing the balls. What is the density of the steel...?

(A) 0.90 gm/cm^3
(B) 8.1 gm/cm^3

(C) 9.0 gm/cm^3
(D) 13.5 gm/cm^3

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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

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What pigment is responsible for the red color inside a watermelon...?

(A) Chlorophyll
(B) Beta-carotene

(C) Lycopene
(D) Anthocyanin

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High solubility of fertilizers also degrades ecosystem through _____...?

(A) Acidification
(B) Erosion

(C) Salinity
(D) Eutrophication

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Places where the temperature of air is below freezing point of the water, the precipitation will be in the form of __________ ...?

(A) Snow
(B) Lightning

(C) Hailstorms
(D) Thunders

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Potassium meta-bisulphite is used as a food preservative for...?

(A) Squash
(B) Tomato Ketchup

(C) Fruit Juices
(D) Pickles

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A person of which of the following blood groups is called a universal donor...?

(A) O
(B) AB

(C) A
(D) B

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When light changes in direction when entering one transparent medium to another is known as...?

(A) Reflection
(B) Diffraction

(C) Refraction
(D) Absorption

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In winter an iron pipe feel colder than a wooden window . This is because wood is_______...?

(A) Conductor
(B) Non-Conductor

(C) Semi- Conductor
(D) Not a solid while iron is a solid

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Which isotope is used to identity efficiency rates of organic and inorganic fertilizers...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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