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Everyday science mcqs | GK MCQ Preparation Material

1- Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

Convection

Conduction

Reflection

Radiation

2- Name the famous book of Ibn-Sina in which he discussed human physiology and medicine ?

Tadhkira

Al-Qanun

Al-Masudi

New Renaissance

3- In a railway track, two rails are joined end to end with a gap tin between them because?

Air gaps are necessary for bearing the weight of running train

Accidents due to expansion in summer can be avoided

Accidents due to contraction in winter can be avoided

Steel can be saved

4- Animal which captures and readily kills living animals for its food is called___________?

Mammal

Predator

cavenger

Parasite

5- The fruits without seed, like banana, are called_____________?

placental fruits

Parthenocarpic fruits

Seedless fruits

Parthenogenesis fruits

6- Quartz crystal in quartz watches work on the principle called?

Piezo-electric effect

Photoelectric effect

Stark effect

Thermionic effect

7- Oasis is associated with___________?

Volcanoes

Islands

Glaciers

Desert

8- Yeast is used in making bread because it produces____________?

Bacteria

Sugar

Oxygen

Carbon dioxide

9- The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from____________ ?

Troposphere

Ionosphere

Stratosphere

Mesosphere

10- Ozone layer prevents ______________ radiation from entering the atmosphere?

Infra-red

Ultraviolet

X-rays

Gamma rays

11- Which one of the following is a non-metallic mineral?

Manganese

Magnesium

Bauxite

Gypsum

12- Sedimentary rocks are__________?

Porous

Hard

Rough

Brittle

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