Class 8th Science Chapter – 12 Some Natural Phenomena
| Textbook | NCERT |
| Class | 8th |
| Subject | Science |
| Chapter | 12th |
| Chapter Name | Some Natural Phenomena |
| Category | Class 8th Science |
| Medium | English |
| Source | Last Doubt |
| Class 8th Science Chapter – 12 Some Natural Phenomena MCQ With Answer What are three phenomena?, What are the two types of natural phenomena?, Is Rainbow a natural phenomenon?, Is wind a natural phenomenon?, What are the natural phenomena in India?, Is Sunset a natural phenomenon?, What is phenomena first?, Is rain a natural phenomenon?, What is a good phenomenon?, Is River a natural phenomenon?, Is climate a natural phenomenon?, Why are phenomena natural?, What is phenomenon called?, What is life phenomena?, What is a phenomenon example?, Is a flood a natural phenomenon? |
Class 8th Science Chapter – 12 Some Natural Phenomena
Chapter – 12
Some Natural Phenomena
MCQ
| (1) How many types of charges are gained by rubbing objects ? A. 2 B. 1 C. 3 D. 4 Answer – (A) 2 |
| (2) Which is not a natural phenomena ? A. Earthquakes B. Cyclones C. Lightning D. Earthing Answer – (d) Earthing |
| (3) Which instrument is used to measure earthquake ? A. Richter scale B. Seismograph C. Polygraph D. None of these Answer – (B) Seismograph |
| (4) The power of an earthquake is expressed on a scale called ? A. seismic scale B. iron scale C. richter scale D. large scale Answer – (C) richter scale |
| (5) The process of transfer of charges from a charged object to the earth is called ? A. earthing B. lightning C. oscillation motion D. electron movement Answer – (A) earthing |
| (6) Amber is a ? A. metal B. rubber C. resin D. sugar Answer – (C) resin |
| (7) The waves produced on the earth’s surface is called ? A. seismic wave B. longitudinal wave C. Micro wave D. Radio wave Answer – (A) seismic wave |
| (8) Tsunami means ? A. earthquake B. floods C. earthquake under the sea D. eruption of volcano in a sea Answer – (C) earthquake under the sea |
| (9) Lightning always follows ? A. a thunder B. rain pour C. the easiest path D. a straight path Answer – (A) a thunder |
| (10) Where is the lightning rod attached to protect the building from lightning ? A. On the top of the building B. On the bottom of the building C. In the middle of the building D. All of these Answer – (A) On the top of the building |
| (11) When two bodies are rubbed against each other, they acquire ? A. equal and like charges B. equal and unlike charges C. unequal and like charges D. unequal and unlike charges Answer – (B) equal and unlike charges |
| (12) Which of the following can be charged by rubbing ? A. Ebonite B. Plastic C. Amber D. All of these Answer – (D) All of these |
| (13) Which of the following occurs during lightning ? A. Acid rain B. Nitrogen fixation C. Green house effect D. Earthing Answer – (B) Nitrogen fixation |
| (14) Which of the following can be charged with static electricity ? A. Metal B. Alloy C. Insulator D. Semiconductor Answer – (C) Insulator |
| (15) Which is the surest test of charge on a body ? A. Repulsion B. Lightning C. Combustion D. Insulation Answer – (A) Repulsion |
| (16) To protect tall buildings from the damage of lightning, what can be done ? A. Not to build tall buildings B. Install lightning conductors C. Install many TV antennas D. Have a roof top garden with tall trees Answer – (B) Install lightning conductors |
| (17) During a thunderstorm which action may be done ? A. Using Telephone having cord B. Switching on / off electric lights C. Using a mobile phone D. None of the above Answer – (C) Using a mobile phone |
| (18) During lightning actually _ takes place ? A. Electric discharge B. Electric charging C. Electric charge accumulation D. All of the above Answer – (A) Electric discharge |
| (19) A device used to test whether an object is carrying charge or not is called __ ? A. Electrometer B. Charge meter C. Electroscope D. Chargoscope Answer – (C) Electroscope |
| (20) It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as __ A. Negative B. Positive C. Neutral D. Can be any one Answer – (B) Positive |
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