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IBA 5 to 15 grade job preparation materials - Important Science mcqs repeated in IBA, fpsc, ppsc, spsc, nts test ( Science Study MCQs, questions and answers ) IBA bps 5 to 15 jobs updated

Important Science mcqs repeated in IBA, fpsc, ppsc, spsc, nts test ( Science Study MCQs, questions and answers )  IBA bps 5 to 15 jobs updated 

Theory of expanding universe was propounded by? 

Hubble

The main chemical substance present in teeth and bones of animals is?

Calcium phosphate

A lake starts breezing because of the cold atmosphere, it will first freeze? 

At the top surface

Male brain’s weight is ………….? 

5.21oz

Female brain’s weight is ……….? 

4.52oz

Sonar is used to measure? 

Ocean depth

Radar receive waves called? 

Radio waves

Microscope was invented by ………..? 

Levin Hook in 1860 (Netherland)

Hemoglobin fetches oxygen to ………..? 

RBCs

Gram is the unit of ……….? 

Mass

Which is the smallest unit of heredity? 

Gene

The biggest species of the cat family is ……….? 

Tiger

Function of iron in our body is to ……….? 

Transport Oxygen

Silver fish belongs to ……….? 

Amphibian

The planet which revolves slowly around the sun is? 

Neptune

Liver uses which vitamin for creating new BRCs? 

B12

Deficiency of B12 can produce ……? 

Insomnia

The most important stimulant in tea leave is? 

Galileo

Bats can also fly in the dark due to? 

Ultrasonic waves

Mercury thermometer was invented by? 

Galileo

The gas associated with global warming is? 

CO2

The term cell was coined by? 

Robert Hooke

Blood clotting happens in which part of the human body? 

Veins

The name of the disease called “lock jaw” is? 

Tetanus

The gas used for artificial ripening of green fruit is?  

Ethylene

Silica is used in? 

Glass making

The muscles tissues and blood all are made up of? 

Proteins

Deficiency of chloride causes the impaired growth in? 

Plants

Nitrogen occurs in plants and animals in the form of? 

Proteins

A device that converts chemical energy into electric energy is called? 

Generator

Which branch of physics deals with the internal structure of earth?  

Geophysics

Which planet has the largest natural satellites or moons?  

Saturn (82 moons)

The planet mercury completes one rotation around the sun in?

88 days

The most dense and heaviest planet is?

Earth

Silicon is an example of?

Semiconductor

Deficiency of iron in human diet causes?

Anemia

Which human hormone is called “love Hormone”? 

Oxytocin

Wisdom teeth normally grow during the age of? 

17 to 30 years

Malaria is a disease which affects …….? 

Spleen

Cell Phone was invented in 1973 by?

Martin Cooper

A “Gene” is a ………..? 

Unit of heredity

Enzymes help in ……….? 

Digestion of food

Lack of ……. causes diabetes? 

Insulin

There are approximately …………. muscles in human body? 

700

Which gland in human body is popularly called “Adam’s Apple”? 

Thyroid

Deficiency of calcium leads to ………? 

Rickets

Our sun is a star. What type of star is it? 

Yellow dwarf

Arachnophobia is the fear of …………? 

Spiders

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