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. |
sound waves - |
| A. | Can walk in vacuum. |
| B. | Can move only in solid medium. |
| C. | Can run only in gases. |
| D. | It can travel in both solid and gas medium. |
| Answer» E. | |
| 2. |
Ultraviolet rays have more energy than |
| A. | x rays |
| B. | gamma rays |
| C. | infrared rays |
| D. | of ultraviolet rays |
| Answer» C. infrared rays | |
| 3. |
In which of the following medium does sound travel faster? |
| A. | water |
| B. | Steam |
| C. | iron rod |
| D. | carbon dioxide |
| Answer» D. carbon dioxide | |
| 4. |
When a stone is thrown in the still water of a pond, the waves rising on the surface of the water in the pond are - |
| A. | sound waves in air |
| B. | transverse waves on a thread |
| C. | longitudinal waves on a thread |
| D. | light waves |
| Answer» C. longitudinal waves on a thread | |
| 5. |
Which of the following is used in MRI machine? |
| A. | Sound wave |
| B. | magnetic wave |
| C. | ultrasonic wave |
| D. | x-ray |
| Answer» C. ultrasonic wave | |
| 6. |
The frequency of ultrasonic waves is - |
| A. | 20 KHZ से ऊपर |
| B. | 20,000 KHZ के ऊपर |
| C. | 20 KHZ से नीचे |
| D. | none of these |
| Answer» B. 20,000 KHZ के ऊपर | |
| 7. |
The level of the atmosphere used for the transmission of radio waves is |
| A. | stratosphere |
| B. | Troposphere |
| C. | Meridian |
| D. | ionosphere |
| Answer» E. | |
| 8. |
What is a bolometer used to measure? |
| A. | Speed |
| B. | frequency |
| C. | electromagnetic radiation |
| D. | wavelength |
| Answer» D. wavelength | |
| 9. |
What does the pitch of sound depend on? |
| A. | frequency |
| B. | Dimensions |
| C. | intensity |
| D. | Speed |
| Answer» B. Dimensions | |
| 10. |
Sound energy is converted into electrical energy. |
| A. | by solar cell |
| B. | by loudspeaker |
| C. | by gramophone |
| D. | by microphone |
| Answer» E. | |
| 11. |
Which of the following has no effect on the speed of sound? |
| A. | pressure |
| B. | Temperature |
| C. | humidity |
| D. | density |
| Answer» B. Temperature | |
| 12. |
The epicenter is related. |
| A. | from cyclones |
| B. | from volcanoes |
| C. | from landslides |
| D. | from earthquakes |
| Answer» E. | |
| 13. |
Danger signals are red in colour, whereas the eyes are more sensitive to yellow, because - |
| A. | Absorption is less in red light than in yellow. |
| B. | Yellow light has less scattering than red light. |
| C. | Red light has a longer wavelength than yellow light. |
| D. | none of the above |
| Answer» D. none of the above | |
| 14. |
Most of the electricity used in a filament light bulb is converted. |
| A. | as infrared rays |
| B. | as ultraviolet rays |
| C. | as a fluorescent light |
| D. | as visible light |
| Answer» E. | |
| 15. |
Which one of the following is described in Vedic literature as Prajapati? |
| A. | Vamana |
| B. | Varaha |
| C. | Narasimha |
| D. | Kapil |
| Answer» C. Narasimha | |
| 16. |
What is the unit of noise pollution? |
| A. | ppm |
| B. | Dobson |
| C. | Decibel |
| D. | neither of the above |
| Answer» D. neither of the above | |
| 17. |
In which of the following states, the maximum length of National Highways is found? |
| A. | Andhra Pradesh |
| B. | Madhya Pradesh |
| C. | Rajasthan |
| D. | Uttar Pradesh |
| Answer» E. | |
| 18. |
The meeting town of Uttar Pradesh and East-West Corridor Super Highway is- |
| A. | Hyderabad |
| B. | Delhi |
| C. | Nagpur |
| D. | Jhansi |
| Answer» E. | |
| 19. |
Which state in India has the maximum length of state highway? |
| A. | Uttar Pradesh |
| B. | A state in Eastern India |
| C. | Madhya Pradesh |
| D. | Maharashtra |
| Answer» E. | |
| 20. |
Which of the following states of India has the maximum length of provincial highways? |
| A. | Gujarat |
| B. | Rajasthan |
| C. | Uttar Pradesh |
| D. | Maharashtra |
| Answer» E. | |
| 21. |
The share of road traffic in India in the total traffic of the country is - |
| A. | 100% |
| B. | 80% |
| C. | 60% |
| D. | 40% |
| Answer» C. 60% | |
| 22. |
Who founded the sect of Vigyanism? |
| A. | ashvaghosh |
| B. | Nagarjuna |
| C. | Maitreyanath |
| D. | vasu brothers |
| Answer» D. vasu brothers | |
| 23. |
Which of the following was considered as Soma Yagya? |
| A. | Patriarch |
| B. | Agnistom |
| C. | Shradh |
| D. | fire pot |
| Answer» C. Shradh | |
| 24. |
The thermal conductivity of silver is the same as the thermal conductivity of copper. |
| A. | is less. |
| B. | happens more. |
| C. | equals. |
| D. | none of these |
| Answer» C. equals. | |
| 25. |
When an object is cooled, its molecules |
| A. | of energy increases. |
| B. | speed decreases. |
| C. | mass increases. |
| D. | load increases. |
| Answer» C. mass increases. | |
| 26. |
The Directorate of Plant Protection' Quarantine and Storage is located at- |
| A. | in Ahmedabad |
| B. | in Hyderabad |
| C. | in faridabad |
| D. | in New Delhi |
| Answer» D. in New Delhi | |
| 27. |
The reason for the higher water temperature at the bottom of the waterfall than at the top is - |
| A. | Water has more potential energy at the ground level. |
| B. | Provides surface heat to the surface. |
| C. | The kinetic energy of the falling water changes. |
| D. | Falling water absorbs heat from the surroundings. |
| Answer» D. Falling water absorbs heat from the surroundings. | |
| 28. |
The position of National Milk Development Board is as follows - |
| A. | Pleasure |
| B. | Gandhinagar |
| C. | Vadodara |
| D. | Valsad |
| Answer» B. Gandhinagar | |
| 29. |
The temperature of the Sun is measured by |
| A. | by platinum thermometer |
| B. | by gas thermometer |
| C. | by pyrometer |
| D. | by evaporator manometer |
| Answer» D. by evaporator manometer | |
| 30. |
National Center for Organic Farming (NCOF) is located at- |
| A. | in Hyderabad |
| B. | in Chennai |
| C. | in New Delhi |
| D. | in ghaziabad |
| Answer» E. | |
| 31. |
The 'National Atlas and Thematic Map Organization' is located at- |
| A. | in Dehradun |
| B. | in Hyderabad |
| C. | in New Delhi |
| D. | in Kolkata |
| Answer» E. | |
| 32. |
Indian Rice Research Institute is located at- |
| A. | ridge |
| B. | Kolkata |
| C. | Trivandrum |
| D. | Mumbai |
| Answer» B. Kolkata | |
| 33. |
Central Mining Research Institute is located at- |
| A. | in cuttack |
| B. | in Dhanbad |
| C. | in jamshedpur |
| D. | in Bhavnagar |
| Answer» C. in jamshedpur | |
| 34. |
Cloudy nights are relatively warmer than cloudless nights, because clouds - |
| A. | Prevent the cold waves from descending in the sky to the earth. |
| B. | reflect the heat released from the earth. |
| C. | generate heat and radiate it towards the earth. |
| D. | Absorbs heat from the atmosphere and sends it towards the earth. |
| Answer» C. generate heat and radiate it towards the earth. | |
| 35. |
Where is the 'National Dairy Research Center' located? |
| A. | Ambala |
| B. | Karnal |
| C. | Pune |
| D. | izzatnagar |
| Answer» C. Pune | |
| 36. |
Where is the Indian Diamond Institute located? |
| A. | New Delhi |
| B. | face |
| C. | Mumbai |
| D. | Jaipur |
| Answer» C. Mumbai | |
| 37. |
The headquarters of 'Indian Bureau of Mines' is located at- |
| A. | in Ranchi |
| B. | in Ahmedabad |
| C. | in nagpur |
| D. | in mysore |
| Answer» D. in mysore | |
| 38. |
Which of the following does not have a National Museum of 'Natural History'? |
| A. | Mysore |
| B. | Hyderabad |
| C. | bhubaneswar |
| D. | Bhopal |
| Answer» C. bhubaneswar | |
| 39. |
Which material is used as anti-freeze in automatic engines? |
| A. | ethanol |
| B. | ethylene glycol |
| C. | methanol |
| D. | Propyl alcohol |
| Answer» C. methanol | |
| 40. |
The body temperature of a healthy human is - |
| A. | 37 डिग्री सेल्सियस |
| B. | 37 डिग्री फॉरेनहाइट |
| C. | 98.4 डिग्री सेल्सियस |
| D. | 98.4 डिग्री केल्विन |
| Answer» B. 37 डिग्री फॉरेनहाइट | |
| 41. |
Which of the following changes occur when salt is added to water. |
| A. | The boiling point increases, and the freezing point decreases. |
| B. | The boiling point increases and the freezing point increases. |
| C. | Both boiling point and freezing point decrease. |
| D. | Both boiling point and freezing point increase. |
| Answer» B. The boiling point increases and the freezing point increases. | |
| 42. |
When a bottle is filled with water and it is frozen, the bottle breaks because - |
| A. | Water expands when it freezes. |
| B. | The bottle shrinks at freezing point. |
| C. | The outside temperature of the bottle is higher than the inside. |
| D. | Water expands on heating. |
| Answer» B. The bottle shrinks at freezing point. | |
| 43. |
In winter, on touching iron and wooden pieces in the morning, a piece of iron appears colder because - |
| A. | The temperature of a piece of iron is less than that of a wooden block. |
| B. | Iron is a better conductor of heat than wood. |
| C. | Iron is a poor conductor of heat as compared to wood. |
| D. | A piece of iron is heavier than wood. |
| Answer» C. Iron is a poor conductor of heat as compared to wood. | |
| 44. |
Sweating is mainly helpful for the human body. |
| A. | Controlling body temperature. |
| B. | To balance the amount of water in the body |
| C. | To remove toxins from the body. |
| D. | To keep dirt away from the pores of the skin. |
| Answer» B. To balance the amount of water in the body | |
| 45. |
There is a description of the chariot of which of the following gods being pulled by goats? |
| A. | Rudra |
| B. | Friend |
| C. | Varun |
| D. | Pushan |
| Answer» E. | |
| 46. |
Indian Herbal Research Institute is located at- |
| A. | in Kanpur |
| B. | in New Delhi |
| C. | in Varanasi |
| D. | Allahabad |
| Answer» D. Allahabad | |
| 47. |
When a piece of ice floating in a glass of water melts, the level of the water - |
| A. | Will fall down |
| B. | Will rise up |
| C. | Will remain the same. |
| D. | Falling or rising will depend on the temperature of the water. |
| Answer» D. Falling or rising will depend on the temperature of the water. | |
| 48. |
The atmosphere exerts a lot of pressure on us, but we do not feel it, because - |
| A. | Our blood exerts a pressure slightly higher than the pressure of the atmosphere. |
| B. | We are used to it. |
| C. | Our bones are very strong and can bear this pressure. |
| D. | The surface area of our head is very small. |
| Answer» B. We are used to it. | |
| 49. |
Fruits stored in cold storage last longer because- |
| A. | Sunlight is not allowed to fall. |
| B. | The concentration of carbon dioxide in the environment is increased. |
| C. | The rate of respiration is decreased. |
| D. | Humidity increases. |
| Answer» D. Humidity increases. | |
| 50. |
If the temperature of the air rises, then its ability to hold water vapor - |
| A. | Happens. |
| B. | increases. |
| C. | First it decreases and then it increases. |
| D. | has no effect. |
| Answer» C. First it decreases and then it increases. | |