Science Quiz for Class 8
With the ECTI, you will learn through the Science Quiz for Class 8 in a continuous testing process. It will help you prepare the particular topic in a row.
On the other hand, repeated practice will ensure your grip for the best preparation.
I am sure that the level of Science Quiz for Class 8 MCQs With The Answer is helpful material in preparing for tests, quizzes, and examinations for a grade.
I carefully picked the most repeated but important Science MCQs of Class 8.
In the future, I will add more Science MCQs For Class 8. If you could provide me with some valuable feedback on the selection of MCQs, I would appreciate it.
Science Quiz for Class 8 Instructions:
- There will be 30 multiple choice questions in this Quiz.
- Answers to the questions will change randomly each time you start this Quiz.
- Practice this Quiz at least three times to secure High Marks.
- You can see your scores and ratings at the end of the Quiz.
- If you found any incorrect answers in the Quiz, click on the quiz title and comment on that MCQ so our team can update the incorrect answer on time.
- Question of
Polio and chicken pox are caused by _______.
- virus
- bacteria
- fungi
- worms
- Question of
Some medicines obtained from micro-organisms are applied to kill or stop the growth of disease-causing microorganisms. Such medicines are called ______.
- Antibiotics
- Antiseptics
- Antibodies
- All of them
- Question of
The process of conversion of sugar into alcohol by yeast is called ________.
- Fermentation
- Pasteurization
- Alcoholism
- All of them
- Question of
The pores in the bread is due to gas bubbles of _______.
- Carbon dioxide
- Nitrogen
- Nitrogen dioxide
- Oxygen
- Question of
Deliberately injecting weak microbes into a healthy body and producing antibodies to fight against strong microbes is called _______.
- Vaccination
- Medication
- Antibiotics
- All of them
- Question of
Alcohol is produced with the help of _______.
- yeast
- sodium chloride
- nitrogen
- carbon dioxide
- Question of
Which gas is the major pollutant of air?
- Carbon monoxide
- Nitrogen
- Oxygen
- Propane
- Question of
The increase in concentration of which gas is not responsible for Global Warming?
- Nitrogen
- Carbon dioxide
- Sulphur dioxide
- Methane
- Question of
What radiations are absorbed by CO2?
- Infrared radiations
- Ultrared radiations
- Ultraviolet radiations
- None of these
- Question of
Which element is present in the exhaust of automobiles?
- Lead
- Magnesium
- Chromium
- Calcium
- Question of
The solid or liquid particles dispersed in the air are called ________.
- aerosols
- hydrocarbons
- acids
- oxides
- Question of
The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is _______.
- air pollution
- soil pollution
- water pollution
- noise pollution
- Question of
Which of the following contents is most harmful to aquatic animals?
- Heavy metal ions
- Sodium ions
- Potassium ions
- Chloride ions
- Question of
Which of the following is a non-biodegradable pollutant?
- DDT
- Sulphur dioxide
- Nitrogen oxide
- Hydrogen oxide
- Question of
The number of modes by which animals reproduce are _______.
- two
- three
- four
- none of them
- Question of
Binary fission is observed in ________.
- amoeba
- hydra
- yeast
- human being
- Question of
When a given force is applied on larger area of contact the pressure exerted by it:
- decreases
- increases
- does not change
- none of them
- Question of
The pressure exerted by a liquid:
- increases with depth
- does not change with depth
- decreases with depth
- is different in different directions at he same depth
- Question of
Liquids exert pressure on the walls of the container:
- Yes
- No
- Can’t say
- None of these
- Question of
The instrument used of measure atmospheric pressure is:
- mercury barometer
- manometer
- pressure meter
- none of these
- Question of
When bicycle tube is punctured than:
- air escapes slowly
- air escapes very fast
- it bursts
- none of these
- Question of
Which of the following does not belong to the family of solar system?
- Galaxy
- Meteors
- Planet
- Comet
- Question of
Which unit is used to measure astronomical distances?
- Light year
- Leap year
- Century
- Sound year
- Question of
Shooting stars are called _______.
- meteors
- galaxies
- asteroids
- andromeda
- Question of
The process of transfer of charges from a charged object to the earth is called _______.
- earthing
- lightning
- oscillation motion
- electron movement
- Question of
Which is not a natural phenomena?
- Earthing
- Lightning
- Earthquakes
- Cyclones
- Question of
Where is the lightning rod attached to protect the building from lightning?
- On the top of the building
- On the bottom of the building
- In the middle of the building
- All of these
- Question of
‘Goiter’ is a disease of:
- thyroid gland
- pancreas
- adrenal gland
- none of these
- Question of
Which of the following Is incorrect:
- The voice box of girls is larger than that of boys
- Girls have high pitched voice
- Boys have a deep voice
- None of these
- Question of
The changes which occur at adolescence are controlled by:
- hormones
- balanced diet
- enzymes
- none of these