A ______ is an inclined plane wrapped around a cylinder, used to fasten objects....? Mcqs

Latest MCQs

A ______ is an inclined plane wrapped around a cylinder, used to fasten objects....?

(A) Screw
(B) Lever

(C) Pulley
(D) Wheel

Latest MCQs

Which pollutant from motor car exhaust causes mental disease _____...?

(A) Carbon dioxide
(B) Lead

(C) Sulpher Dioxide
(D) Mercury

Latest MCQs

All are characters of enzymes except...?

(A) Enzyme speed up a biochemical reaction
(B) Enzymes are sensitive to minor change in pH

(C) Enzyme activity enhanced by inhibitors
(D) Enzyme portion where substrate attach called active site

Latest MCQs

A device that converts mechanical energy into electric energy is called_______...?

(A) Motor.
(B) Transformer.

(C) Coil.
(D) Generator.

Latest MCQs

The major ingredient of leather is__________________...?

(A) Collagen
(B) Polymer

(C) Nucleic acid
(D) None of these

Latest MCQs

Comets are made mostly of ice and dust. As comets get close to the sun, they start to “melt” and release what...?

(A) Steam and dust
(B) Gas and dust

(C) Steam, gas and dust
(D) None of the above

Latest MCQs

Which of these is a micronutrient of plants...?

(A) Oxygen
(B) Nitrogen

(C) Boron
(D) Carbon

Latest MCQs

Silicon is an example of _________...?

(A) No-conductor
(B) Semiconductor

(C) Super Conductor
(D) None of these

Latest MCQs

In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

Latest MCQs

lightest metal is__________...?

(A) Lithium
(B) Sodium

(C) Magnesium
(D) Aluminium

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