MCQOPTIONS
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MCQOPTIONS
This section includes 29 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which force is also known as a force of resistance? |
| A. | Gravitational force |
| B. | Frictional force |
| C. | Statement 1 is true but statement 2 is false. |
| D. | All the above |
| E. | None of these |
| Answer» C. Statement 1 is true but statement 2 is false. | |
| 2. |
An electric heater converts |
| A. | heat energy to electrical energy. |
| B. | electrical energy to heat energy. |
| C. | Two |
| D. | electrical energy to muscular energy. |
| Answer» C. Two | |
| 3. |
A football kicked by a boy rolls on the ground to some distance and stops. The force which stops the ball is |
| A. | muscular force. |
| B. | gravitational force. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | frictional force. |
| Answer» E. | |
| 4. |
When we throw a ball into air, it falls back. The force responsible for this is |
| A. | muscular force. |
| B. | gravitational force. |
| C. | (i) (ii) (iii) (iv) Increasing Increasing Decreasing Decreasing |
| D. | none of these |
| Answer» C. (i) (ii) (iii) (iv) Increasing Increasing Decreasing Decreasing | |
| 5. |
Study the given figure carefully, it will be the toughest to lift the rock when the force is applied on X, while it will be easiest to do the same when the force is applied on Y. Now, select the correct option regarding X and Y. |
| A. | X Y b C |
| B. | X Y d A |
| C. | Only (i), and (iii) |
| D. | X Y a D |
| Answer» E. | |
| 6. |
To reduce force X on a carrom board, talcum powder is applied. The force X is the force _______. |
| A. | Applied by hand on sponge ball |
| B. | That makes it tough to lift heavy objects |
| C. | When a body is rolling on the surface |
| D. | That prevents us from slipping while walking |
| Answer» E. | |
| 7. |
The energy possessed by a body due to its position is: |
| A. | Electrical energy |
| B. | Potential energy |
| C. | Must be towards east |
| D. | Both [b] and [c] |
| E. | None of these |
| Answer» C. Must be towards east | |
| 8. |
Which of the following converts electrical energy into heat energy? |
| A. | Electric heater |
| B. | Fan |
| C. | Friction is acting on the box in the direction opposite to the box's movement. |
| D. | All the above |
| E. | None of these |
| Answer» B. Fan | |
| 9. |
Which type of force is shown in the given figure? |
| A. | Mechanical |
| B. | Gravitational |
| C. | Statement 1 is true and statement 2 is false. |
| D. | Elastic |
| E. | None of these |
| Answer» C. Statement 1 is true and statement 2 is false. | |
| 10. |
What form of energy can be obtained from the sun? i- Light ii- Heat iii-Sound |
| A. | Only I and II |
| B. | Only I and III |
| C. | Frictional force |
| D. | I, II and III |
| Answer» B. Only I and III | |
| 11. |
When a pin wheel is placed against wind, it begins to spin. This proves that |
| A. | moving air has energy |
| B. | pin wheel has life |
| C. | Both experience same frictional force |
| D. | moving air has no energy. |
| Answer» B. pin wheel has life | |
| 12. |
Which energy is present in the objects given below? |
| A. | Muscular energy |
| B. | Solar energy |
| C. | (a)(b)(c)(d)TTTH |
| D. | Heat energy |
| Answer» D. Heat energy | |
| 13. |
In which of the following the sound energy is not generated? |
| A. | Audio player |
| B. | Radio |
| C. | (i)(ii)(iii)(iv)TTTF |
| D. | Television |
| E. | None of these |
| Answer» F. | |
| 14. |
The energy obtained from splitting of an atom is: |
| A. | Solar energy |
| B. | Gravitational energy |
| C. | Statement I is true and statement II is false. |
| D. | Wind energy |
| E. | None of these |
| Answer» D. Wind energy | |
| 15. |
Identify the given simple machine. |
| A. | Inclined plane |
| B. | Lever |
| C. | Wooden surface |
| D. | Screw |
| E. | None of these |
| Answer» D. Screw | |
| 16. |
Energy can be defined as |
| A. | the capacity to do work. |
| B. | work done in unit time. |
| C. | Friction |
| D. | attraction between two oppositely charged particles. |
| Answer» B. work done in unit time. | |
| 17. |
Work is done when you |
| A. | kick a foot ball. |
| B. | hammer a nail. |
| C. | 0.3 |
| D. | All of the above. |
| Answer» E. | |
| 18. |
The box below does NOT move because |
| A. | both forces A and B are acting in opposite directions. |
| B. | both forces A and B are acting in same direction. |
| C. | In the upward direction |
| D. | None of these. |
| Answer» B. both forces A and B are acting in same direction. | |
| 19. |
Sliding ride is an example of: |
| A. | Pulley |
| B. | Lever |
| C. | Pour water on it |
| D. | Inclined plane |
| E. | None of these |
| Answer» E. None of these | |
| 20. |
____ is used to draw water from wells. |
| A. | Inclined plane |
| B. | Screw |
| C. | surface of cardboard |
| D. | Wedge |
| E. | None of these |
| Answer» D. Wedge | |
| 21. |
The energy used for cycling comes from |
| A. | the chemical energy of food. |
| B. | the heat energy of our body. |
| C. | First opposes and then facilitates the motion |
| D. | light energy. |
| Answer» B. the heat energy of our body. | |
| 22. |
Which energy conversion takes place during photosynthesis? |
| A. | Heat energy \[\to \] Light energy |
| B. | Light energy \[\to \] Heat energy |
| C. | to prevent floods |
| D. | Mechanical energy \[\to \] Chemical energy |
| Answer» D. Mechanical energy \[\to \] Chemical energy | |
| 23. |
Which of the following energies can be replenished? |
| A. | Solar energy |
| B. | Wind energy |
| C. | play wood |
| D. | All of these |
| Answer» E. | |
| 24. |
______energy is used to cook food. |
| A. | Mechanical energy |
| B. | Atomic energy |
| C. | A is true but R is false. |
| D. | Gravitational energy |
| E. | None of these |
| Answer» D. Gravitational energy | |
| 25. |
Match the following: ColumnA Column B (I) Gravity [A] Riding a bicycle (II) Mechanical energy [B] Plants make food (III) Solar energy [C] Force of earth (IV) Electric energy [D] TV |
| A. | (I-D), (II-C), (III-B), (IV-A) |
| B. | (I-C), (II-D), (III-B), (IV-A) |
| C. | mushrooms |
| D. | (I-B), (II-A), (III-D), (IV-C) |
| E. | None of these |
| Answer» D. (I-B), (II-A), (III-D), (IV-C) | |
| 26. |
Pallavi wants to find out whether the length of a ramp affects the force needed to move a wooden block up the ramp. She sets up the given experiment. What should she keep the same? |
| A. | The height of both the ramps |
| B. | The length of both the ramps |
| C. | deer?s, giraffes, cows |
| D. | Both (a) and (b) |
| Answer» B. The length of both the ramps | |
| 27. |
As Sushil is pushing a carton up a ramp, the _____energy fro the food that Sushil has eaten changes into ____energy of the carton. When the carton reaches the deck of the lorry, this energy is stored in the carton as ___energy. However, some of the energy from Sushil is changed into ____and energy.Select the correct sequence of words to complete the above paragraph. |
| A. | Chemical, Kinetic, Gravitational, Heat, Potential |
| B. | Kinetic, Potential, Frictional, Heat, Light |
| C. | humus |
| D. | Chemical, Potential, Kinetic, Heat, Sound |
| Answer» D. Chemical, Potential, Kinetic, Heat, Sound | |
| 28. |
Which of the following is correct about the. girls moving the sack bags as shown in the above diagram? 1. Girl a has to work more against friction. 2. Girl b does not Slave to work against friction. 3. The wheels of the trolley have reduced the friction. |
| A. | 1 only |
| B. | 3 only |
| C. | Electrostatic force |
| D. | 2 and 3 only |
| Answer» D. 2 and 3 only | |
| 29. |
While writing with chalk on the blackboard, your teacher is able to write with the help of this force: |
| A. | Gravitational force |
| B. | Elastic force |
| C. | light energy to electrical energy. |
| D. | Electrostatic force |
| E. | None of these |
| Answer» D. Electrostatic force | |