Who invented the safety pin...? Mcqs

Latest MCQs

Who invented the safety pin...?

(A) Charles Goodbye
(B) steward Harshone

(C) Walter Hunt
(D) A.Rose

Latest MCQs

______ is not a renewable source of energy....?

(A) Solar energy
(B) Coal

(C) Wind energy
(D) Geothermal energy

Latest MCQs

About the requirement of light for germination...?

(A) Some seeds germinate in dark whereas some require light
(B) All seeds germinate in dark

(C) All seeds germinate in light
(D) None

Latest MCQs

Which statement is incorrect about the force...?

(A) Force can change the content of an object
(B) Force can change the shape of an object

(C) Force can change the direction of an object
(D) Force can change the speed of an object

Latest MCQs

A movable pulley is used as ______...?

(A) Speed multiplier
(B) Force multiplier

(C) Direction changer
(D) Load reducer

Latest MCQs

Which prism in one of the most commonly used dispersive prisms...?

(A) Rectangular
(B) Triangular

(C) Square
(D) Pentagonal

Latest MCQs

Freezing point of water at Fahrenheit Scale is...?

(A) 0 °F
(B) 212 °F

(C) 32 °F
(D) -32 °F

Latest MCQs

Oil of vitriol is_________...?

(A) Nitric acid
(B) Hydrochloric acid

(C) Phosphoric acid
(D) Sulfuric acid

Latest MCQs

Which is not a type of environment...?

(A) Garden
(B) Pond

(C) Storeroom
(D) None

Latest MCQs

The average heartbeat per minute in a normal man is _________...?

(A) 50
(B) 70

(C) 80
(D) 100

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