The functional group -COOH is used for ______...? Mcqs

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The functional group -COOH is used for ______...?

(A) Alkynes
(B) Alcohols

(C) Phenols
(D) Carboxylic acids

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Which of the following explains the reason why there is no total eclipse of the sun...?

(A) Size of the earth in relation to that of moon
(B) Orbit of moon around earth

(C) Direction of rotation of earth around sun
(D) Area of the sun covered by the moon

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In the manufacture of banaspati ghee the gas used is __________...?

(A) Helium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

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How many proton and neutron are present in the nucleus of Deuterium isotope...?

(A) 3 and 2
(B) 2 and 3

(C) 1 and 1
(D) 2 and 2

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Steradian is the unit of_______________...?

(A) Solid angle
(B) Liquid angle

(C) Gas angle
(D) Plain angle

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The only non metal exists in liquid state is ___________...?

(A) Mercury
(B) Bromine

(C) Phosphorus
(D) Iodine

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The lenses are used for the correction of:____________...?

(A) Long-sightedness
(B) short sightedness

(C) Both A & B
(D) None of those

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The biggest planet in our solar system is___________...?

(A) Venus
(B) Pluto

(C) Jupiter
(D) None

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The 2018 Nobel Prize in Physiology or Medicine has been awarded jointly to James P Allison and Tasuku Honjo for their discovery of which cancer...?

(A) Chemotherapy
(B) Radiation

(C) Surgery
(D) Immunotherapy

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If a child has cholera, which environment pollution needs to be addressed...?

(A) Land
(B) Water

(C) Air
(D) None

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