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MCQOPTIONS
This section includes 1489 Mcqs, each offering curated multiple-choice questions to sharpen your 8th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Match the following column: Sr. No. Objects Nature of force Force on falling ball A. Frictional force Force on moving charge B. Muscular force Force on lifting objects C. Electrostatic force Force on sliding ball D. Gravitational force |
| A. | 1-D, 2-C, 3-B, 4-A |
| B. | 1-A, 2-D, 3-B, 4-C |
| C. | 1-B, 2-C, 3-D, 4-A |
| D. | 1-C, 2-D, 3-A, 4-D |
| E. | None of these |
| Answer» B. 1-A, 2-D, 3-B, 4-C | |
| 2. |
The given table lists some fuels with their calorific values: Fuel Calorific Value Diesel 45000 LPG 55000 Petrol 45000 Which of the given fuels is the most efficient? |
| A. | Petrol |
| B. | Diesel |
| C. | LPG |
| D. | CNG |
| Answer» D. CNG | |
| 3. |
A student named the diagrammatic representation of how an earthquake occurs wrongly. What is the correct sequence starting from the (i)? |
| A. | (i) (ii) (iii) Epicentre Focus Seismic waves |
| B. | (i) (ii) (iii) Focus Epicentre Seismic waves |
| C. | (i) (ii) (iii) Seismic Focus Epicentre waves |
| D. | (i) (ii) (iii) Epicentre Seismic Focus waves |
| Answer» B. (i) (ii) (iii) Focus Epicentre Seismic waves | |
| 4. |
Mendel chose a specific plant to carry out his experiment to study the various traits. He chose the plant, because it has number of difference, easy to tell apart and not available in other plants. Which one of the following the plants he used for his study: |
| A. | Papaya |
| B. | Potato |
| C. | Pear |
| D. | Pea |
| E. | None of these |
| Answer» E. None of these | |
| 5. |
Earthquakes at two places A and B were measured by a seismograph which recorded the magnitude as 2 and 4. The magnitude of tremors and the destructive energy at A and B can be compared as |
| A. | Tremors at B are two times those at place A |
| B. | Tremors at B are four times those at place A |
| C. | Tremors at B are 100 times those at place A |
| D. | Tremors at B are 1000 times those at place A. |
| Answer» D. Tremors at B are 1000 times those at place A. | |
| 6. |
While playing cricket Thomas hurt his palm on trying to catch the ball coming in his direction. On the other hand his friend jack while catching the ball pulls his hand backward, and is not hurt. The reason for this is: |
| A. | Change of momentum |
| B. | Change in acceleration |
| C. | Change in velocity |
| D. | Change in force |
| E. | None of these |
| Answer» B. Change in acceleration | |
| 7. |
Identify the biggest constellation. |
| A. | Sirius |
| B. | Hydra |
| C. | Andromeda |
| D. | Ursa minor |
| Answer» C. Andromeda | |
| 8. |
Gibbous moon refers to: |
| A. | Solar eclipse |
| B. | More than half lighted moon seen but less than full. |
| C. | No moon seen in the sky. |
| D. | Full moon seen in the sky. |
| E. | None of these |
| Answer» C. No moon seen in the sky. | |
| 9. |
If plastic strips are placed in an electroscope at the place of aluminum strips then: |
| A. | Divergence of strips will take place. |
| B. | No divergence of strips will take place. |
| C. | Partial divergence of strips will take place. |
| D. | Either [a] or [b] |
| E. | None of these |
| Answer» C. Partial divergence of strips will take place. | |
| 10. |
Brightest star in the earth's night sky is: |
| A. | Proxima Centauri |
| B. | Alpha Centauri |
| C. | Sirius |
| D. | Cassiopeia |
| E. | None of these |
| Answer» D. Cassiopeia | |
| 11. |
When a glass rod is rubbed with a silk cloth, then the charge on the silk cloth is: |
| A. | Positive charge |
| B. | Negative charge |
| C. | Neutral charge |
| D. | Uniform charge |
| E. | None of these |
| Answer» C. Neutral charge | |
| 12. |
A man fires a gun 150 m from a cliff. A second man who is standing 300 m further away from the cliff hears the gun 1 second after he sees the flash. The second man will hear the echo from the cliff |
| A. | 1 second after seeing the flash |
| B. | 2 seconds after hearing the gun |
| C. | 2 seconds after seeing the flash |
| D. | 4 seconds after hearing the gun. |
| Answer» D. 4 seconds after hearing the gun. | |
| 13. |
Which one of the following statements is correct? Statement 1: Inflammable substances have low ignition temperature Statement 2: Coal is an inflammable substance |
| A. | Statement 1 |
| B. | Statement 2 |
| C. | Both statements are correct |
| D. | Both statements are incorrect |
| Answer» B. Statement 2 | |
| 14. |
Which one of the following is a natural fiber? |
| A. | Rayon |
| B. | Cotton |
| C. | Polyester |
| D. | Nylon |
| E. | None of these |
| Answer» C. Polyester | |
| 15. |
If air and cloud were good conductor of electricity then |
| A. | A lightning could occur with high intensity |
| B. | Lightning could occur with lower intensity |
| C. | Lightning could not occur at all |
| D. | None of these |
| Answer» D. None of these | |
| 16. |
The nearest star to the earth after the sun is: |
| A. | Leo Major |
| B. | Ursa Major |
| C. | Proxima Centauri |
| D. | Moon |
| E. | None of these |
| Answer» D. Moon | |
| 17. |
An object vibrated with a frequency of 15 Hz. Which of the following is true? |
| A. | It produces sound which we can hear. |
| B. | It does not produce sound. |
| C. | It produces sound which we cannot hear. |
| D. | It produces sound which we can hear if we strain our ears. |
| Answer» D. It produces sound which we can hear if we strain our ears. | |
| 18. |
When was the sun formed? |
| A. | 15 billion years ago |
| B. | 4.5 billion years ago |
| C. | 10 billion years ago |
| D. | 11.5 billion years ago |
| Answer» C. 10 billion years ago | |
| 19. |
Which of the following does not have any natural satellite revolving around it? |
| A. | Jupiter |
| B. | Neptune |
| C. | Venus |
| D. | Mars |
| E. | None of these |
| Answer» D. Mars | |
| 20. |
Phobos and Deimos are moons of ____ planet. |
| A. | Mercury |
| B. | Jupiter |
| C. | Mars |
| D. | Earth |
| E. | None of these |
| Answer» D. Earth | |
| 21. |
What is the lightning streaks that we see? |
| A. | UV rays from the sun |
| B. | Cosmic rays |
| C. | Accumulated electric charges |
| D. | IR rays from the sun |
| Answer» D. IR rays from the sun | |
| 22. |
Coal mainly consists of: |
| A. | Carbon |
| B. | Hydrogen |
| C. | Oxygen |
| D. | Nitrogen |
| E. | None of these |
| Answer» B. Hydrogen | |
| 23. |
To which of the following category does Orion belong? |
| A. | Star |
| B. | Planet |
| C. | Galaxy |
| D. | Constellation |
| Answer» E. | |
| 24. |
Some of the planets are nearer to the Sun. The Sun light can reach these planets. Some of the planets are so far that the Suns light cannot reach there. They are divided into two groups as inner and outer planets. Which among the given planets are inner planets? Mars Saturn Uranus Orion Helene (G) Sirus (H) Mercury |
| A. | A, D, G |
| B. | A, E, H |
| C. | A, C, E |
| D. | A, H |
| E. | None of these |
| Answer» E. None of these | |
| 25. |
See the figure given below and select the correct statements regarding polymers. 1. Figure (X) shows structure of a monomer while figure (Y) shows structure of a polymer. 2. Small boxes in the structure represent monomers which are joined to give a polymer. 3. Figure (X) shows structure of a linear polymer while (Y) shows structure of a cross-linked polymer. |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | All are correct. |
| Answer» D. All are correct. | |
| 26. |
How is a musical note characterized by? |
| A. | Loudness |
| B. | Pitch |
| C. | Timbre |
| D. | All of the above |
| Answer» E. | |
| 27. |
Which of the following differences regarding thermoplastics and thermo- setts is/are true? Thermoplastics Thermosets (i) Soft Hard (ii) Can withstand heat Cannot withstand heat (iii) No cross linkages Cross linkages are present |
| A. | Only (i) |
| B. | Only (i) and (ii) |
| C. | Only (i) and (iii) |
| D. | (i),(ii) and (iii) |
| Answer» D. (i),(ii) and (iii) | |
| 28. |
Which of the following is the correct order of planets in the solar system? |
| A. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune |
| B. | Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune |
| C. | Venus, Mars, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune |
| D. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus |
| Answer» B. Earth, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune | |
| 29. |
Which of the following is the best thing to do during heavy lightning? |
| A. | Lying on the ground in an open place |
| B. | Going into the nearest water body |
| C. | Staying indoors away from metallic doors or windows |
| D. | Standing under a tall tree |
| Answer» D. Standing under a tall tree | |
| 30. |
Electroscope is used |
| A. | To detect and test small electric charges |
| B. | To calculate the amount of electric charge flowing through the conductor in the given interval of time |
| C. | To find out the presence of antimatter |
| D. | To test the presence of magnetic field. |
| Answer» B. To calculate the amount of electric charge flowing through the conductor in the given interval of time | |
| 31. |
Which of the following scales is/are not linear in nature?(i) Decibel (ii) Richter(iii) Meter |
| A. | (i) only |
| B. | (ii) and (iii) |
| C. | (ii) only |
| D. | (i) and (ii) |
| Answer» E. | |
| 32. |
A star which appears blue will be |
| A. | As hot as Sun |
| B. | Cooler than Sun |
| C. | Very cold indeed |
| D. | Much hotter than Sun. |
| Answer» E. | |
| 33. |
The nearest planet to the Earth is |
| A. | Venus |
| B. | Mercury |
| C. | Jupiter |
| D. | Mars |
| Answer» B. Mercury | |
| 34. |
The conferences are held both on National and International levels to address the matter concerning for the global environment. Global warming is the major concern for the entire world. The 1987 Montreal Protocol was also held in this context and was signed to address which one of the following? |
| A. | Stop green house effect |
| B. | Conservation of wild life |
| C. | To reduce the release of CFC gas |
| D. | To ban nuclear testing |
| E. | None of these |
| Answer» C. To reduce the release of CFC gas | |
| 35. |
The species which are facing the risk of extinction are called: |
| A. | Extincted species |
| B. | Protected species |
| C. | Private species |
| D. | Endangered species |
| E. | None of these |
| Answer» E. None of these | |
| 36. |
Read the given statements and select the correct option. Statement 1: Venus is hotter than mercury though it is far away from the Sun. Statement 2: Cloudy atmosphere of Venus reflects almost 75 percent of the sunlight that falls on it. |
| A. | Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. |
| B. | Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | Both statements 1 and 2 are false. |
| Answer» C. Statement 1 is true but statement 2 is false. | |
| 37. |
The artificial satellites sent into space by India in ascending order of their launching date is |
| A. | APPLE, EDUSAT, ROHINI, INSAT 4B |
| B. | EDUSAT, ROHINI, APPLE, INSAT 4B |
| C. | ROHINI, APPLE, EDUSAT, INSAT 4B |
| D. | INSAT 4B, EDUSAT, APPLE, ROHINI |
| Answer» D. INSAT 4B, EDUSAT, APPLE, ROHINI | |
| 38. |
Match the Column I with Column II and select the correct option from the codes given below.Column IColumn II Made of ice and rocky material(i) Orion Chunks of rocks that have never managed to come together as planet(ii) Meteors Shooting stars in the sky(iii) Asteroids The hunter(iv) Comets |
| A. | (a)-(i);(b)-(ii);(c)-(iii)(d)-(iv) |
| B. | (a)-(iv);(b)-(iii);(c)-(ii)(d)-(i) |
| C. | (a)-(iii);(b)-(ii);(c)-(i)(d)-(iv) |
| D. | (a)-(ii);(b)-(i);(c)-(iv)(d)-(iii) |
| Answer» C. (a)-(iii);(b)-(ii);(c)-(i)(d)-(iv) | |
| 39. |
The pitch of sound depends oil |
| A. | frequency |
| B. | amplitude |
| C. | both of these |
| D. | none of these |
| Answer» B. amplitude | |
| 40. |
The circulatory system consists of lungs, auricle, ventricle and veins. It carries blood and other materials form one part of the body to the other parts. Which one of the following carries deoxygenated blood from body to right atrium? |
| A. | (a) Artery |
| B. | (b) Capillary tube |
| C. | (c) Veins |
| D. | (d) Vessels |
| E. | (e) None of these |
| Answer» D. (d) Vessels | |
| 41. |
Which one of the following material will reflect sound better? |
| A. | Thermocol |
| B. | Curtain of cloth |
| C. | Steel |
| D. | Paper |
| Answer» D. Paper | |
| 42. |
Direction: Read the given paragraph and answer the following questions.Two metal rulers of lengths 30 cm and 60 cm are kept in such a manner that a 30 cm ruler extends about 15 cm over the edge and a 60 cm ruler extends about 30 cm over the edge. Both the ends are flicked.Read the given statements and select the correct option.Statement 1: The note heard in the vibration of 30 cm ruler is louder when flicked with larger amplitude.Statement 2: Loudness of a sound depends on the amplitude of vibrations. |
| A. | Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. |
| B. | Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | Statement 1 is false but statement 2 is true. |
| Answer» B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. | |
| 43. |
In which of the following media can sound travel through?(i) Glass of water(ii) Balloon full of air(iii) Iron bar(iv) Vacuum |
| A. | (i) and (ii) |
| B. | (i) and (iii) |
| C. | (i), (ii) and (iii) |
| D. | All of these |
| Answer» D. All of these | |
| 44. |
There are two bottles of glass, one bottle is two third filled with water and another bottle is filled one third with water. When we blow across the mouth of each bottle, then (i) The bottle with the less air in it gives the note of higher pitch (ii) The shorter the air column, the higher the pitch of the note produced. |
| A. | Both (i) and (ii) are correct and (ii) is the correct explanation of (i). |
| B. | Both (i) and (ii) are correct but (ii) is not the correct explanation of (i). |
| C. | Only (i) is correct. |
| D. | Only (ii) is correct. |
| Answer» B. Both (i) and (ii) are correct but (ii) is not the correct explanation of (i). | |
| 45. |
Which one of the following is included in fault zones? |
| A. | Kashmir |
| B. | Rann of Kachch |
| C. | Central Himalayas |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 46. |
When an uncharged body is touched by a charged body, it acquires a similar charge. This is known as: |
| A. | Charging by induction |
| B. | Charging by conduction |
| C. | Charging by radiation |
| D. | Charging by explosion |
| E. | None of these |
| Answer» C. Charging by radiation | |
| 47. |
What is the closely packed part of the comet which contains solid particles, stones and frozen water called? |
| A. | Coma |
| B. | Nucleus |
| C. | Tail |
| D. | Orbit |
| Answer» C. Tail | |
| 48. |
Which is the largest, natural satellite in the solar system? |
| A. | The moon |
| B. | lo |
| C. | Eros |
| D. | Ganymede |
| Answer» E. | |
| 49. |
What is the best method to avoid pollution by using plastic bags? |
| A. | Burying the plastic bags in the soil. |
| B. | Using bags made of biodegradable material. |
| C. | Throwing the plastic bags into the river. |
| D. | Burning the plastic bags in a rubbish dump. |
| Answer» C. Throwing the plastic bags into the river. | |
| 50. |
According to the table, on which planet would a ball fall the fastest? Planet Earth Jupiter Neptune Saturn Acceleration due to gravity \[\text{(m}{{\text{s}}^{\text{-2}}}\text{)}\] 10 26 14 12 |
| A. | Jupiter |
| B. | Saturn |
| C. | Neptune |
| D. | Earth |
| Answer» B. Saturn | |