MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following city is not connected by National Highway 3? |
| A. | Agra |
| B. | Bhopal |
| C. | washed |
| D. | Gwalior |
| Answer» C. washed | |
| 2. |
Which one of the following city pairs has recently been connected by 6 Path Expressway? |
| A. | Ahmedabad and Vadodara |
| B. | Dhaka and Chittagong |
| C. | Mumbai and Pune |
| D. | Islamabad and Lahore |
| Answer» D. Islamabad and Lahore | |
| 3. |
'Prime Minister India Jodo Project' is related to - |
| A. | by communication |
| B. | through social integration |
| C. | by joining rivers |
| D. | development of highways |
| Answer» E. | |
| 4. |
Which shock wave produces the supersonic plane? |
| A. | transverse wave |
| B. | ultrasonic wave |
| C. | transition wave |
| D. | Sonic Boom |
| Answer» E. | |
| 5. |
A noise loudness level of 100 decibels corresponds to - |
| A. | With a audible voice. |
| B. | from normal conversation. |
| C. | From the sound of a noisy street. |
| D. | by factory noise |
| Answer» E. | |
| 6. |
The Golden Quadrilateral project is related to the development of- |
| A. | Highway |
| B. | Port |
| C. | Electricity (Power Grid) |
| D. | Tourist Circle (Network) |
| Answer» B. Port | |
| 7. |
What is the Golden Quadrilateral? |
| A. | metropolitan railroad |
| B. | major air routes |
| C. | National Highway Project |
| D. | gold trade route |
| Answer» D. gold trade route | |
| 8. |
The proposed East-West and North-South Express Highways intersect at- |
| A. | from Gwalior |
| B. | from Jhansi |
| C. | from Bhopal |
| D. | from the ocean |
| Answer» C. from Bhopal | |
| 9. |
Which phenomenon do bats or dolphins use to detect prey, predators or obstacles? |
| A. | sound scattering |
| B. | pulsating |
| C. | echo determination |
| D. | sound scattering |
| Answer» D. sound scattering | |
| 10. |
Who among the following was given the highest punishment for theft in Manu's legal system? |
| A. | Shudra |
| B. | Kshatriya |
| C. | Vaishya |
| D. | Brahmin |
| Answer» E. | |
| 11. |
When the same note is played on sitar and flute, the difference in sound produced is made because of the difference in the following: |
| A. | pitch, loudness and acoustics |
| B. | sound quality only |
| C. | strength only |
| D. | strength and strength |
| Answer» D. strength and strength | |
| 12. |
Two persons cannot hear each other on the surface of the Moon, because - |
| A. | Their ears stop working on the moon. |
| B. | The Moon does not have an atmosphere. |
| C. | On the Moon they wear special types of space suits. |
| D. | Sound travels very slowly on the Moon. |
| Answer» C. On the Moon they wear special types of space suits. | |
| 13. |
A biological method in which ultrasonic sound is used - |
| A. | Sonography |
| B. | ECG |
| C. | E.E.G. |
| D. | X-ray |
| Answer» B. ECG | |
| 14. |
To the walls of the hall for music concerts - |
| A. | The sound should be amplified. |
| B. | Sound should be transmitted. |
| C. | Sound must be reflected. |
| D. | Sound should be absorbed. |
| Answer» E. | |
| 15. |
Consider the following statements about ultrasonic waves: 1- They can destroy insects. 2- They can clean clothes by removing dust. 3- They can be used for the treatment of diseases. 4- They are automatic Can control doors. |
| A. | 1 और 2 सही हैं। |
| B. | 3 और 4 सही हैं। |
| C. | 1, 2 तथा 3 सही हैं। |
| D. | All are correct. |
| Answer» E. | |
| 16. |
Sound travels the fastest among the following substances- |
| A. | in steel |
| B. | in a vacuum |
| C. | in the air |
| D. | in water |
| Answer» B. in a vacuum | |
| 17. |
According to the World Health Organization the safe noise pollution level for a city is |
| A. | 45 डेसिबल |
| B. | 50 डेसिबल |
| C. | 55 डेसिबल |
| D. | 60 डेसिबल |
| Answer» B. 50 डेसिबल | |
| 18. |
In which frequency range is sound vibrations allowed to humans? |
| A. | 0 - 5 HZ |
| B. | 6 - 10 HZ |
| C. | 11 - 15 HZ |
| D. | 20 - 20000 HZ |
| Answer» E. | |
| 19. |
Bats can fly in dark nights and can also hunt their prey. The reason for this is – |
| A. | The stars in his eyes are big. |
| B. | They have very good night vision. |
| C. | Every bird can do this. |
| D. | They emit supersonic waves and are directed by them. |
| Answer» E. | |
| 20. |
Which of the following cannot happen in sound waves? |
| A. | reflection |
| B. | interference |
| C. | diffraction |
| D. | Polarization |
| Answer» E. | |
| 21. |
The word gopa was used in Rigvedic society. |
| A. | for the priest |
| B. | for the King |
| C. | for the rich |
| D. | for the head of the family |
| Answer» C. for the rich | |
| 22. |
The relation of Eran, Nagda and Navdatoli is – |
| A. | from ahar culture |
| B. | from Jorwe culture |
| C. | from Malwa culture |
| D. | none of the above |
| Answer» D. none of the above | |
| 23. |
The speed of sound in moist air is greater than that in dry air because in moist air - |
| A. | It has a higher pressure than dry air. |
| B. | Density is less than that of dry air. |
| C. | The pressure is less than that of dry air. |
| D. | Density is higher than that of dry air. |
| Answer» C. The pressure is less than that of dry air. | |
| 24. |
The standard noise level for humans is |
| A. | 90 डेसिबल |
| B. | 60 डेसिबल |
| C. | 120 डेसिबल |
| D. | 100 डेसिबल |
| Answer» C. 120 डेसिबल | |
| 25. |
Tamil name of Vishnu is- |
| A. | murugan |
| B. | tirumal |
| C. | subramaniam |
| D. | veerkal |
| Answer» C. subramaniam | |
| 26. |
Ultrasonics are those sounds whose frequency is - |
| A. | 20000 हर्टज से अधिक |
| B. | 10000 हटर्ज से कम |
| C. | 1000 हटर्ज से बराबर |
| D. | none of the above |
| Answer» B. 10000 हटर्ज से कम | |
| 27. |
In which medium the speed of sound will be maximum at a temperature of about 20 degrees? |
| A. | Air |
| B. | granite |
| C. | Iron |
| D. | Water |
| Answer» D. Water | |
| 28. |
Consider the following statements: 1- A flute of shorter length produces waves of lower frequency. 2- Sound travels through rocks only in the form of longitudinal elastic waves. |
| A. | केवल 1 |
| B. | केवल 2 |
| C. | केवल 1 और 2 दोनों |
| D. | न तो 1 और न ही 2 |
| Answer» C. केवल 1 और 2 दोनों | |
| 29. |
The least distance that should be between the reflecting surface and the listener to hear the echo clearly is - |
| A. | 165 फीट |
| B. | 165 मीटर |
| C. | 16.5 फीट |
| D. | 16.5 मीटर |
| Answer» E. | |
| 30. |
The working of radar is based on the following principle - |
| A. | doppler effect |
| B. | reflection of radio waves |
| C. | Raman Effect |
| D. | refraction of radio waves |
| Answer» C. Raman Effect | |
| 31. |
In which of the following options the sound cannot pass through - |
| A. | Water |
| B. | Vacuum |
| C. | Iron |
| D. | Air |
| Answer» C. Iron | |
| 32. |
The wind velocity of sound is approximate - |
| A. | 10 किमी प्रति सेकेंड |
| B. | 10 मील प्रति सेकेंड |
| C. | 330 मीटर प्रति सेकेंड |
| D. | 3 लाख मीटर प्रति सेकेंड |
| Answer» D. 3 लाख मीटर प्रति सेकेंड | |
| 33. |
The maximum limit in decibels of sound intensity above which a person cannot hear - |
| A. | 50 डेसिबल |
| B. | 95 डेसिबल |
| C. | 85 डेसिबल |
| D. | 70 डेसिबल |
| Answer» C. 85 डेसिबल | |
| 34. |
How are X rays used? |
| A. | gold detection under the ground |
| B. | heart disease detection |
| C. | metal cutting and welding |
| D. | Detection of defects in precious stones and diamonds |
| Answer» E. | |
| 35. |
Sonar is mostly used for - |
| A. | by engineers |
| B. | by doctors |
| C. | by navigators |
| D. | by astronauts |
| Answer» D. by astronauts | |
| 36. |
The frequency band used in FM broadcasting service is in the range of - |
| A. | 109 से 139 मेगाहटर्ज के मध्य |
| B. | 54 से 75 मेगाहटर्ज के मध्य |
| C. | 76 से 87 मेगाहटर्ज के मध्य |
| D. | 88 से 108 मेगाहटर्ज के मध्य |
| Answer» E. | |
| 37. |
Which type of electromagnetic radiation is used for remote control of television? |
| A. | visible radiation |
| B. | infrared radiation |
| C. | UV radiation |
| D. | none of these |
| Answer» C. UV radiation | |
| 38. |
cosmic rays - |
| A. | is a charged particle. |
| B. | is an uncharged particle. |
| C. | Can be both charged and uncharged. |
| D. | none of the above |
| Answer» B. is an uncharged particle. | |
| 39. |
Which of the following radiation has the shortest wavelength? |
| A. | alpha rays |
| B. | X-rays |
| C. | gamma rays |
| D. | beta rays |
| Answer» D. beta rays | |
| 40. |
Long radio waves are reflected from which surface of the earth? |
| A. | perturbation limit |
| B. | ionosphere |
| C. | stratosphere |
| D. | Troposphere |
| Answer» C. stratosphere | |
| 41. |
Consider the following statements about Shudras - 1- In Vedic period they were slaves and laborers 2- Shatapath Brahmin does not allow them to take part in religious activities 3- Kautilya allows them to do agricultural work as a profession 4- In the early medieval period, they were included in the class of Sat and Asat. The following pointers list Select the correct answer - |
| A. | 1 सही है |
| B. | 1 और 2 सही है |
| C. | 1, 2 और 3 सही है |
| D. | all in order |
| Answer» E. | |
| 42. |
The energy in ultraviolet rays is more than what? |
| A. | infrared rays |
| B. | cosmic rays |
| C. | gamma rays |
| D. | x rays |
| Answer» B. cosmic rays | |
| 43. |
How can ultraviolet rays be used in water treatment? |
| A. | Erectile dysfunction |
| B. | hydrolytic |
| C. | disinfectant |
| D. | precipitator |
| Answer» D. precipitator | |
| 44. |
Which of the following types of waves are used in night vision equipment? |
| A. | infrared wave |
| B. | micro wave |
| C. | Radio wave |
| D. | none of the above |
| Answer» B. micro wave | |
| 45. |
Which of the following statements regarding cosmic rays is not correct - |
| A. | They are electromagnetic waves. |
| B. | They originate from the Sun. |
| C. | Their wavelength is very short. |
| D. | It is made up of highly charged charged particles. |
| Answer» B. They originate from the Sun. | |
| 46. |
What type of waves are X-rays? |
| A. | elastic |
| B. | longitudinal |
| C. | transverse |
| D. | electromagnetic |
| Answer» E. | |
| 47. |
In ancient Indian social structure, the word Anirishita was related to – |
| A. | only from shudras |
| B. | from people outside the caste system |
| C. | from Vaishyas and Shudras |
| D. | Brahmins and Kshatriyas |
| Answer» B. from people outside the caste system | |
| 48. |
CT Used to scan - |
| A. | infrared rays |
| B. | ultrasonic waves |
| C. | visible light |
| D. | X-rays |
| Answer» E. | |
| 49. |
The distance between two successive crests or two successive troughs is called - |
| A. | frequency |
| B. | wavelength |
| C. | Dimensions |
| D. | none of these |
| Answer» C. Dimensions | |
| 50. |
Which phenomenon do bats and dolphins use to find prey, or obstacles in the way? |
| A. | sound scattering |
| B. | echo determination |
| C. | bursting |
| D. | refraction of sound |
| Answer» C. bursting | |