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MCQOPTIONS
This section includes 1416 Mcqs, each offering curated multiple-choice questions to sharpen your 5th Class knowledge and support exam preparation. Choose a topic below to get started.
| 751. |
Rajesh looking through a material which condition represents a translucent material |
| A. | Able to see clearly through it |
| B. | Not able to see at all through it |
| C. | Able to see partially |
| D. | All of these |
| Answer» D. All of these | |
| 752. |
The intermolecular space between the molecule is maximum in which state |
| A. | Gas |
| B. | Liquid |
| C. | Solid |
| D. | All of these |
| Answer» B. Liquid | |
| 753. |
Ramesh has P, Q, and R three objects. He puts into a measuring cylinder having 30 ml of water. Then he puts Q and R into the same measuring cylinder. If the given diagram shows the change in level of water as each was put Which objects has volume less than 30 ml? |
| A. | P only |
| B. | Q only |
| C. | P and Q both |
| D. | P, Q and R |
| Answer» D. P, Q and R | |
| 754. |
Matter can be defined as something, which has |
| A. | Weight (mass) |
| B. | made up of atoms or molecules |
| C. | can exists in three states |
| D. | All of these |
| Answer» E. | |
| 755. |
Which of the following are compressible? (i) Steam (ii) Oxygen (iii) Nitrogen |
| A. | (i) and (ii) only |
| B. | (ii) and (iii) only |
| C. | (i) and (iii) only |
| D. | All of these |
| Answer» E. | |
| 756. |
P, Q, R, S, T are five objects of same volume, as shown below Which of the following could be weight of the 'S? |
| A. | 8 gm |
| B. | 6 gm |
| C. | 1/2 gm |
| D. | 2.5 gm |
| Answer» C. 1/2 gm | |
| 757. |
Why do we hear echoes? |
| A. | Because an echo is a reflected sound |
| B. | Because an echo is a rejected sound |
| C. | Because an echo is a deflected sound |
| D. | None of the above |
| Answer» B. Because an echo is a rejected sound | |
| 758. |
How can you hear someone who is in another room? |
| A. | Because sound travels |
| B. | Because sound swims |
| C. | Because sound laughs |
| D. | Because sound eats |
| Answer» B. Because sound swims | |
| 759. |
_______ Coloured objects absorb the light of all wavelengths. |
| A. | White |
| B. | Black |
| C. | Blue |
| D. | Red |
| Answer» C. Blue | |
| 760. |
Which of the following is true. Light behaves like both a particle as well as a wave. Light moves at the slowest known speed in the universe. Speed of light in air is 2.99 x 108 metre per second. |
| A. | TTT |
| B. | FFF |
| C. | TFF |
| D. | TFT |
| Answer» E. | |
| 761. |
What type of particles make up light? |
| A. | Air |
| B. | Atom |
| C. | Molecules |
| D. | Photons |
| Answer» E. | |
| 762. |
Rahul loves music player so his father gifted him a music player on his birthday. He started listening songs through earphones at very high volume. As his elder brother what will you suggest him? |
| A. | Stop listening music |
| B. | Listening music at higher volume can damage ears. |
| C. | Take away his music players. |
| D. | Listening music is not good for health. |
| Answer» C. Take away his music players. | |
| 763. |
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Although sound travels better in water, it is ___ to hear properly. |
| A. | Better |
| B. | smoother |
| C. | Harder |
| D. | comfortable |
| Answer» D. comfortable | |
| 764. |
Directions: Read the passage and fill up the blanks with suitable options. One of the characteristics of light is that it behaves like a __ (44) __. As a result, light can be defined by its wavelength and __ (45) __. The frequency is how fast the wave vibrates or goes up and __ (46) __. The wavelength is the distance between two peaks of the wave. Frequency and __ (47) __ are inversely related, meaning that a low frequency wave has a __ (48) __ wavelength and vice versa. |
| A. | ball |
| B. | wave |
| C. | Drum |
| D. | bat |
| Answer» C. Drum | |
| 765. |
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. When a sound travels through a liquid it has to move through a ____ substance |
| A. | Thinner |
| B. | thicker |
| C. | Lighter |
| D. | none of these' |
| Answer» C. Lighter | |
| 766. |
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Air is a gas and water is a: |
| A. | Liquid |
| B. | gas |
| C. | Solid |
| D. | none of these |
| Answer» B. gas | |
| 767. |
Directions: Read the passage and answer the following questions. Sound is caused by vibrations. Air is a gas water is a liquid. Gases are very thin in comparison to liquids, so when a sound travels through air it vibrates the air very easily without much distortion (changes). When a sound travels through a liquid it has to move through a thicker substance. This means that the sound has more difficulty causing the vibrations. So although sound travels better in water, it is harder to hear properly. Sound is caused by: |
| A. | Dancing |
| B. | vibration |
| C. | Jumping |
| D. | none of these |
| Answer» C. Jumping | |
| 768. |
Sound waves do not travel through _______. |
| A. | Solids |
| B. | liquids |
| C. | Gases |
| D. | vacuum |
| Answer» E. | |
| 769. |
Match the following: List I List II A 1 speed of sound in air B 8 minutes 2 Speed greater than speed of sound in air. C 343 m/s 3 time taken by light to reach earth from sun. D Sonic boom 4 speed of light in air. A B C D |
| A. | 3 1 2 4 |
| B. | 4 3 1 2 |
| C. | 2 3 4 1 |
| D. | 4 1 3 2 |
| Answer» C. 2 3 4 1 | |
| 770. |
Read the statements and choose the correct option. Statement A: We can hear all the sound that is being made in the universe. Statement B: We can see all the wavelengths of light. |
| A. | Only A is true. |
| B. | Only B is true. |
| C. | Both A and Bore true. |
| D. | Both A and B are false. |
| Answer» E. | |
| 771. |
When sound travels through air, the air particles ____. |
| A. | Vibrate along the direction of wave propagation |
| B. | Vibrate but not in any fixed direction |
| C. | Vibrate perpendicular to the direction of wave propagation |
| D. | Do not vibrate |
| Answer» B. Vibrate but not in any fixed direction | |
| 772. |
Directions(Qs. 32 to 36): Complete the following puzzle by answering the questions. [4 Down] The object that reflects some light and lets some light pass and which tends to scatter the light _____. |
| A. | Transparent |
| B. | opaque |
| C. | Shiny |
| D. | translucent |
| Answer» E. | |
| 773. |
Directions(Qs. 32 to 36): Complete the following puzzle by answering the questions. [3 Across] It is the measure of how fast the speed wave is oscillating. |
| A. | Hertz |
| B. | Frequency |
| C. | Vibration |
| D. | Wavelength |
| Answer» B. Frequency | |
| 774. |
Directions(Qs. 32 to 36): Complete the following puzzle by answering the questions. [2 Across] ______ is used to quantify the measure of loudness. |
| A. | Hertz |
| B. | Decibel |
| C. | Volume |
| D. | Frequency |
| Answer» C. Volume | |
| 775. |
Directions(Qs. 32 to 36): Complete the following puzzle by answering the questions. [1 Down] What is the quality of a sound governed by the rate of vibrations producing it called? |
| A. | Pitch |
| B. | Oscillation |
| C. | Point |
| D. | Power |
| Answer» B. Oscillation | |
| 776. |
Directions(Qs. 32 to 36): Complete the following puzzle by answering the questions. [1 Across] I am triangular in shape. I have 5 faces and 4 vertices. I can disperse a white light into seven beautiful colours. I am used to study phenomenon of light. Who am I? |
| A. | Pyramid |
| B. | Cone |
| C. | Prism |
| D. | Triangle |
| Answer» D. Triangle | |
| 777. |
Amit's brother Ajit is a professional photographer who lives in Delhi. Once during his visit to belhi, Amit asked his brother to take him along to his studio. When they reached there, Ajit went to a dark room. This room was red in colour and made Amit think why the light used in the room was red and not any other colour. Ajit told him that there is a scientific phenomenon behind the red colour. Below are given the options which might be the explanation given by Ajit to Amit to make him understand the concept behind the use of red light. Choose the most suitable option. |
| A. | Red colour makes a beautiful ambience that is soothing to the eyes. |
| B. | Red colour has the highest wavelength and thus the lowest frequency. This also means that it has the least energy which does not hinder with the process of developing photographs. |
| C. | Red colour has the energy which makes the process of developing photographs easy. |
| D. | All of these. |
| Answer» C. Red colour has the energy which makes the process of developing photographs easy. | |
| 778. |
An observer on the ground will hear a sonic boom from an airplane travelling faster than the speed of sound: |
| A. | Only when the plane breaks the sound barrier. |
| B. | As the plane is approaching. |
| C. | When the plane is directly overhead. |
| D. | After the plane has passed by. |
| Answer» B. As the plane is approaching. | |
| 779. |
Water: _______:: Book : Opaque. |
| A. | Transparent |
| B. | Translucent |
| C. | Opaque |
| D. | Visible |
| Answer» B. Translucent | |
| 780. |
When there is rainfall, we all love seeing the rainbows in the sky. It manifolds the beauty of the nature. And when looked closely we can distinguish all the seven colours of the rainbow. Can you tell what phenomenon of light leads to the formation of rainbows? |
| A. | Reflection of light |
| B. | Refraction of light |
| C. | Rainbows do not exist, it is mere illusion of our eyes |
| D. | Rarefaction |
| Answer» B. Refraction of light | |
| 781. |
Sound and light waves both _________. |
| A. | Have similar wavelength |
| B. | Obey the laws of reflection |
| C. | Travel as longitudinal waves |
| D. | Travel through vacuum |
| Answer» C. Travel as longitudinal waves | |
| 782. |
Match the following: List I List II A Red 1 Absorbs all light B Black 2 Reflects all lights C Violet 3 Longest wavelength D White 4 Shorter wavelength A B C D |
| A. | 3 1 4 2 |
| B. | 1 3 2 4 |
| C. | 2 3 1 4 |
| D. | 4 1 2 3 |
| Answer» B. 1 3 2 4 | |
| 783. |
Answer the following riddle: 'I am the first you ever saw, what greets you every morning and what goes out in the end" |
| A. | Mother |
| B. | Wife |
| C. | Light |
| D. | Sound |
| Answer» D. Sound | |
| 784. |
Read the statements and choose the correct option. Statement A: If a wave has a short wavelength, then it will have high frequency. Statement B: If a wave has a short frequency, then it will have high wavelength. |
| A. | Only statement A is true. |
| B. | Only statement B is true. |
| C. | Both the statements are true. |
| D. | Both the statements are false. |
| Answer» D. Both the statements are false. | |
| 785. |
Which phenomenon is depicted in the following picture? |
| A. | Sonic boom |
| B. | Echo |
| C. | Sound barrier |
| D. | Doppler effect |
| Answer» E. | |
| 786. |
Which phenomenon of light is depicted in the following figure? |
| A. | Refraction |
| B. | Reflection |
| C. | Wavelength |
| D. | Optical illusion |
| Answer» C. Wavelength | |
| 787. |
What does T' stand for in the VIB6YOR? |
| A. | Ink blue |
| B. | Indigo |
| C. | Ivory |
| D. | None of these |
| Answer» C. Ivory | |
| 788. |
Match the following: List I List II A Decibel 1 Frequency B Hertz 2 Objects completely reflecting light C Opaque 3 Degree of highness or lowness of tone D Pitch 4 Measure of volume/loudness A B C D |
| A. | 2 3 1 4 |
| B. | 1 3 4 2 |
| C. | 4 2 1 3 |
| D. | 4 1 2 3 |
| Answer» E. | |
| 789. |
Which of the following is created by a plane when it breaks the sound barrier? |
| A. | Spectrum |
| B. | Wavelength |
| C. | Sonic boom |
| D. | Pitch |
| Answer» D. Pitch | |
| 790. |
Mirror: Reflection: Prism: _______. |
| A. | Reflection |
| B. | Transmission |
| C. | Refraction |
| D. | Light |
| Answer» D. Light | |
| 791. |
How frequency and wavelength of light are related? |
| A. | Inversely |
| B. | Directly |
| C. | Proportionally |
| D. | not related |
| Answer» B. Directly | |
| 792. |
When you see a red shirt, then the shirt is not absorbing which of the following colours? |
| A. | Red |
| B. | Orange |
| C. | White |
| D. | All colours |
| Answer» B. Orange | |
| 793. |
Our ability to see objects depends on the reflection of light. |
| A. | Yes |
| B. | No |
| C. | Sometimes |
| D. | It happens only with Indians. |
| Answer» B. No | |
| 794. |
Sounds are made by our _______ vibrating in our throat. |
| A. | spinal cord |
| B. | vocal cords |
| C. | lungs |
| D. | none of these |
| Answer» C. lungs | |
| 795. |
Photons are tiny little particles of light, far too small to be seen. All light is made up of photons. Who has developed the concept of photon? |
| A. | Christian Doppler |
| B. | Both (a) and (c) |
| C. | Newton |
| D. | Albert Einstein |
| Answer» E. | |
| 796. |
Which of the following types of waves is visible? |
| A. | X-rays |
| B. | microwaves |
| C. | radio waves |
| D. | none of these |
| Answer» E. | |
| 797. |
Which of the following is not considered matter. |
| A. | Air |
| B. | Light |
| C. | Book |
| D. | None of these |
| Answer» C. Book | |
| 798. |
Light travels in very narrow beams called ________. |
| A. | Electric rays |
| B. | Light rays |
| C. | LED rays |
| D. | Bulb rays |
| Answer» C. LED rays | |
| 799. |
Human beings can see infrared rays. |
| A. | Yes |
| B. | No |
| C. | Maybe |
| D. | Some people with 6 by 6 eyesight can see |
| Answer» C. Maybe | |
| 800. |
Name an object that allows us to increase the volume of a sound. |
| A. | Tobies |
| B. | Boxes |
| C. | Speakers |
| D. | Drums |
| Answer» D. Drums | |