The valency of carbon Atom is __________ ...? Mcqs

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The valency of carbon Atom is __________ ...?

(A) 1
(B) 2

(C) 3
(D) 4

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Latest MCQs

In flowering plants xylem is made up of ____ types of tissues....?

(A) 1
(B) 2

(C) 3
(D) 4

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In 1869 Mandeleev put forward his periodic law about _____...?

(A) Atomic Number
(B) Chemical properties

(C) Physical properties
(D) Atomic Mass

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To obtain sharp image in a camera _____...?

(A) Lens is moved up and down
(B) Lens is moved side to side

(C) Lens is moved back and forth
(D) Lens is fixed in place

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Energy possessed by water in a dam is ...?

(A) Electrical energy
(B) Mechanical energy

(C) Kinetic energy
(D) Potential energy

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Plants absorb____during day time to prepare their food....?

(A) Carbon Dioxide
(B) Oxygen

(C) Nitrogen
(D) Hydrogen

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For proper formation of teeth, __________ is essential...?

(A) iodine
(B) copper

(C) fluorine
(D) iron

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The ISS (International Space Station) orbits Earth about once every...?

(A) 60 minutes at an altitude of about 400 km
(B) 60 minutes at an altitude of about 500 km

(C) 90 minutes at an altitude of about 400 km
(D) 90 minutes at an altitude of about 500 km

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Which of the following is the correct way of writing a scientific name of an organism...?

(A) Houbara bustard
(B) E.coli

(C) Alium Cepa
(D) Canis lupis

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Speed of any object can be changed by...?

(A) Time
(B) Force

(C) Distance
(D) Mass

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