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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

Radiation

Conduction

Reflection

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

Tadhkira

Al-Qanun

New Renaissance

Al-Masudi

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

Steel can be saved

Accidents due to contraction in winter can be avoided

Accidents due to expansion in summer can be avoided

Air gaps are necessary for bearing the weight of running train

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

Mammal

Parasite

cavenger

Predator

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

Seedless fruits

placental fruits

Parthenogenesis fruits

Parthenocarpic fruits

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

Photoelectric effect

Piezo-electric effect

Thermionic effect

Stark effect

7- Oasis is associated with___________?

Glaciers

Desert

Islands

Volcanoes

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____________ ?

Mesosphere

Ionosphere

Stratosphere

Troposphere

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

Ultraviolet

Infra-red

Gamma rays

X-rays

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

Bauxite

Manganese

Gypsum

Magnesium

12- Sedimentary rocks are__________?

Hard

Porous

Brittle

Rough

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