ISA Practice Exam - Science

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About This Quiz

The ISA Practice Exam - Science explores fundamental physics concepts through practical scenarios, such as aerodynamics, gravitational effects, and properties of water and structures. It assesses understanding of physical principles in everyday contexts, enhancing learner's analytical skills.

ISA Practice Exam - Science - Quiz

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  • 2. 

    1. After take of, the wheels of an airplane are raised and folded in. The wheels are lowered again before the airplane lands.
    What could be the reason for raising the wheels and folding them in when the plane is flying high in the sky?

    • To make the airplane fly faster

    • To protect the wheels from the cold air

    • To decrease the weight of the airplane

    • To lessen the chance of crashing into a tall mountain

    Correct Answer
    A. To make the airplane fly faster
  • 3. 
    Given below is a label found on food item. Study it and answer the following question.On which of the following food items may this food label be found? - ProProfs

    Given below is a label found on food item. Study it and answer the following question.On which of the following food items may this food label be found?

    • Oil bottle

    • Milk container

    • Salt packet

    • Bottle of cola

    Correct Answer
    A. Milk container
    Explanation
    The given food label may be found on a milk container.

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  • 4. 
    We know that the pressure of water increases with depth. Then, which of the following shows the most possible shape of a dam? - ProProfs

    We know that the pressure of water increases with depth. Then, which of the following shows the most possible shape of a dam?

    • A

    • B

    • C

    • D

    Correct Answer
    A. C
    Explanation
    The most possible shape of a dam would be a shape that can withstand the increasing pressure of water with depth. Option C appears to be a curved shape, which can distribute the pressure more evenly across the dam's surface, making it the most likely choice for a dam design.

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  • 5. 
    Sublimation of an element or compound is the change from a solid directly to a gas with no intermediate liquid stage. Sharada told that if pepper seeds are placed along with camphor, the sublimation of camphor would reduce. Of these boxes, (some are open and some are closed) which two should she use to check whether this is true? - ProProfs

    Sublimation of an element or compound is the change from a solid directly to a gas with no intermediate liquid stage. Sharada told that if pepper seeds are placed along with camphor, the sublimation of camphor would reduce. Of these boxes, (some are open and some are closed) which two should she use to check whether this is true?

    • P and Q

    • R and T

    • P and S

    • Q and S

    Correct Answer
    A. P and S
    Explanation
    Sharada's statement suggests that the sublimation of camphor can be affected by the presence of pepper seeds. To test this, she should use boxes P and S. By placing camphor with pepper seeds in box P and camphor alone in box S, she can compare the sublimation rates in the two boxes. If the sublimation of camphor is indeed reduced in the presence of pepper seeds, there should be a noticeable difference in the amount of camphor remaining in each box after a certain period of time.

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  • 6. 
    Figure 1 shows three water bottles P, Q and R attached to Shriram’s bicycle. The dotted line indicates the level of water in half filled bottle Q when the bicycle was parked on a flat ground. Shriram took the bicycle for a ride, at that time all the three bottles were half filled with water. Which of the following shows the likely level of water in all the bicycle is going DOWN a slop? - ProProfs

    Figure 1 shows three water bottles P, Q and R attached to Shriram’s bicycle. The dotted line indicates the level of water in half filled bottle Q when the bicycle was parked on a flat ground. Shriram took the bicycle for a ride, at that time all the three bottles were half filled with water. Which of the following shows the likely level of water in all the bicycle is going DOWN a slop?

    • A

    • B

    • C

    • D

    Correct Answer
    A. C
  • 7. 
    Read the question from Image. - ProProfs

    Read the question from Image.

    • That the barrels used are identical (when empty)

    • That the ramps used are identical.

    • That the barrels are released simultaneously

    • That the barrels are released from the same point.

    Correct Answer
    A. That the barrels are released simultaneously
    Explanation
    The correct answer is that the barrels are released simultaneously. This means that both barrels are let go at the exact same time. The other factors mentioned in the question, such as the barrels being identical when empty, the ramps being identical, and the barrels being released from the same point, may also be important for the experiment, but they are not specifically related to the barrels being released at the same time.

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  • 8. 

    During the Apollo moon walk, Commander Scott performed the following demonstration. He held out a hammer and a feather and released them simultaneously from approximately the same height. Both took the same time to reach the surface of the Moon. Which of the following could be the reason for this?

    • The Moon has a curved surface

    • Things do not have weight on the moon

    • There is no air on the moon

    • There is no gravity in space

    Correct Answer
    A. There is no air on the moon
    Explanation
    The reason why the hammer and feather took the same time to reach the surface of the Moon is because there is no air on the Moon. In the absence of air resistance, both objects experience the same acceleration due to gravity and fall at the same rate. This is known as the principle of the equivalence of gravitational and inertial mass, which states that the mass of an object determines how it responds to gravity. Therefore, in the vacuum of space, where there is no air resistance, objects of different masses will fall at the same rate.

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  • 9. 
    Renu has to fill a number of small bottles with juice quickly and with no spillage. Which of these arrangements should she use? - ProProfs

    Renu has to fill a number of small bottles with juice quickly and with no spillage. Which of these arrangements should she use?

    • A

    • B

    • C

    • D

    Correct Answer
    A. A
    Explanation
    Option A shows a funnel attached to a long tube, which is an ideal arrangement for filling small bottles with juice quickly and without spillage. The funnel helps to direct the flow of juice into the bottles, while the long tube allows Renu to easily reach and fill each bottle without any spillage. Options B, C, and D do not provide any additional tools or mechanisms to aid in the filling process, making them less efficient and more prone to spillage.

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  • 10. 
    Read the question from image.  - ProProfs

    Read the question from image. 

    • A

    • B

    • C

    • D

    Correct Answer
    A. A

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  • Current Version
  • Jan 13, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 25, 2017
    Quiz Created by
    Ictelizabeth
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