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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 ________?

Conduction

Convection

Radiation

Reflection

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?

Accidents due to expansion in summer can be avoided

Steel can be saved

Air gaps are necessary for bearing the weight of running train

Accidents due to contraction in winter can be avoided

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

cavenger

Predator

Parasite

Mammal

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

Parthenocarpic fruits

Parthenogenesis fruits

placental fruits

Seedless fruits

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

Piezo-electric effect

Stark effect

Photoelectric effect

Thermionic effect

7- Oasis is associated with___________?

Desert

Volcanoes

Islands

Glaciers

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

Oxygen

Carbon dioxide

Bacteria

Sugar

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

Stratosphere

Ionosphere

Mesosphere

Troposphere

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

Infra-red

Gamma rays

Ultraviolet

X-rays

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

Magnesium

Manganese

Gypsum

Bauxite

12- Sedimentary rocks are__________?

Porous

Hard

Brittle

Rough

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