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MCQOPTIONS
This section includes 2637 Mcqs, each offering curated multiple-choice questions to sharpen your 7th Class knowledge and support exam preparation. Choose a topic below to get started.
| 2351. |
The acceleration of a moving body can be found from |
| A. | Area under velocity-time graph |
| B. | Area under distance-time graph |
| C. | Slope of the velocity-time graph |
| D. | Slope of distance-time graph |
| Answer» D. Slope of distance-time graph | |
| 2352. |
The direction of motion of a body is decided by________ of the body (i) Velocity (ii) acceleration (iii) Displacement (iv) speed |
| A. | (i) and (ii) only |
| B. | (ii) and (iii) only |
| C. | (i) and (iii) only |
| D. | (i), (ii) and (iii) |
| Answer» B. (ii) and (iii) only | |
| 2353. |
A body moves along the circumference of a circular track of radius R. What is displacement of the body when it covers \[\frac{3}{4}th\] of its circumference? |
| A. | 3R |
| B. | \[\frac{3}{4}\pi R\] |
| C. | \[\frac{3}{2}\pi R\] |
| D. | \[\sqrt{2}R\] |
| Answer» E. | |
| 2354. |
Which of the following is the unit of measuring distance of stars from the earth? |
| A. | Nautical miles |
| B. | Light years |
| C. | Meters |
| D. | Kilometers |
| Answer» C. Meters | |
| 2355. |
Physical quantity which we can't obtain from a distance- time graph is |
| A. | speed |
| B. | time taken |
| C. | change in position |
| D. | change in weight |
| Answer» E. | |
| 2356. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The figure shows the distance-time graph for the motion of two vehicles X and Y. Which one of them is moving faster? |
| A. | X |
| B. | Y |
| C. | Both move with same speed |
| D. | Y is faster initially, and then X gets faster. |
| Answer» B. Y | |
| 2357. |
DIRECTIONS: The questions in this segment consists of two statements, one labeled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): A particle starting from rest and moving with uniform acceleration travels' a length of x and 3x in first two and next two- seconds. Reason(R): Displacement is directly proportional to velocity. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» D. A is false but R is true. | |
| 2358. |
If speed of a person is X and time is Z, then the distance will be: |
| A. | \[X=Z\] |
| B. | \[X/Z\] |
| C. | \[X\times Z\] |
| D. | \[Z/X\] |
| Answer» D. \[Z/X\] | |
| 2359. |
Which letter among the following represents mean position of the pendulum? |
| A. | A |
| B. | B |
| C. | O |
| D. | All the above |
| Answer» D. All the above | |
| 2360. |
Motion of bob of a simple pendulum shows: |
| A. | Circulatory motion |
| B. | Periodic motion |
| C. | Non- periodic motion |
| D. | Rectilinear motion |
| Answer» C. Non- periodic motion | |
| 2361. |
Oscillations are set in a simple pendulum whose length is 2 m and mass of the bob is 2 kg. Its time period |
| A. | Is always constant |
| B. | Increases slowly |
| C. | Decreases slowly |
| D. | First increases then decreases. |
| Answer» B. Increases slowly | |
| 2362. |
The figure shows the distance-time graph for the motion of two cars X and Y. Which one of them is moving faster? |
| A. | X |
| B. | Y |
| C. | Both are moving with same speed. |
| D. | Y is faster initially, then X gets faster. |
| Answer» B. Y | |
| 2363. |
Which of the following statements is correct for a particle travelling with a constant speed along a straight road? |
| A. | Its position remains constant as time passes. |
| B. | It covers equal distances in unequal time intervals. |
| C. | Its acceleration is zero. |
| D. | It does not change its direction of motion. |
| Answer» D. It does not change its direction of motion. | |
| 2364. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage-1 The following table gives the odometer readings of a car at different times of its journey. Time Odometer reading 8.00 AM 36510 Km 8.30 AM 36540 Km 9.00 AM 36580 Km 9.30 AM 36620 Km 10.00 AM 36680 Km What is the average speed of the car? |
| A. | 30km/h |
| B. | 40km/h |
| C. | 60km/h |
| D. | 85km/h |
| Answer» E. | |
| 2365. |
Clocks and watches used for measuring time are based on the principle of_______ motion. |
| A. | Rectilinear |
| B. | Rotational |
| C. | Non-periodic |
| D. | Periodic |
| Answer» E. | |
| 2366. |
The graph given below shows the position of an ant at different times. What is its average speed? |
| A. | \[1.5\,m\,{{s}^{-1}}\] |
| B. | \[3\,cm\,{{s}^{-1}}\] |
| C. | \[1\text{ }cm\text{ }{{s}^{-1}}\] |
| D. | \[~4.5\text{ }cm\text{ }{{s}^{-1}}\] |
| Answer» D. \[~4.5\text{ }cm\text{ }{{s}^{-1}}\] | |
| 2367. |
Speed of a person travelling by a scooter is\[50km/h\]. Time taken by him to reach his destination is 2 hours. Calculate the distance which he has travelled? |
| A. | \[100\text{ }km\] |
| B. | \[2\text{ }km\] |
| C. | \[100\,\,km/h\] |
| D. | \[25\text{ }km\] |
| Answer» B. \[2\text{ }km\] | |
| 2368. |
Which among the following will give the most accurate time? |
| A. | Hourglass |
| B. | Sundial |
| C. | Atomic clock |
| D. | Stopwatch |
| Answer» D. Stopwatch | |
| 2369. |
Which physical quantity was measured by using sundials? |
| A. | Temperature |
| B. | Time |
| C. | Speed of an object |
| D. | Weight of an object |
| Answer» C. Speed of an object | |
| 2370. |
The motion in which all points of a body move through equal distances in equal times is |
| A. | Rotatory motion |
| B. | Uniform motion |
| C. | Circular motion |
| D. | Translator motion |
| Answer» C. Circular motion | |
| 2371. |
With what speed should a car travel so that it can cover a distance of 10 km in 5 minutes? |
| A. | \[10\,km\,{{h}^{-1}}\] |
| B. | \[~50\text{ }km\text{ }{{h}^{-1}}\] |
| C. | \[~60\text{ }km\text{ }{{h}^{-1}}\] |
| D. | \[120\,km\,{{h}^{-1}}\] |
| Answer» E. | |
| 2372. |
In a simple pendulum if time taken by the bob to move from P to Q is 2s and from Q to R 2s. The time period of the given pendulum is: |
| A. | 8 s |
| B. | 12 s |
| C. | 4 s |
| D. | 16 s |
| Answer» E. | |
| 2373. |
Richa takes 20 minutes from her house to reach her school. If her speed is\[2\,\,m/s,\] calculate the distance between her house and the school. |
| A. | 1800m |
| B. | 2400m |
| C. | 1600m |
| D. | 1500m |
| Answer» C. 1600m | |
| 2374. |
Time from one sunrise to the next is: |
| A. | One Month |
| B. | One Day |
| C. | One Hour |
| D. | One Second |
| Answer» C. One Hour | |
| 2375. |
Duration (in hour) 0-6 6-8 8-16 16-20 Distance covered (in km) 400 0 600 200 What is the average speed of the journey for the first 20 hours? |
| A. | \[75\text{ }km\text{ }{{h}^{-1}}\] |
| B. | \[~50\text{ }km\text{ }{{h}^{-1}}\] |
| C. | \[60\text{ }km\text{ }{{h}^{-1}}\] |
| D. | \[~66.67\text{ }km\text{ }{{h}^{-1}}\] |
| Answer» D. \[~66.67\text{ }km\text{ }{{h}^{-1}}\] | |
| 2376. |
The graph of one quantity versus another results in a straight line, the quantities are: |
| A. | Constant |
| B. | Directly proportional |
| C. | Independent proportional |
| D. | Independent of each other |
| Answer» C. Independent proportional | |
| 2377. |
Look at the following distance-time graph and choose the correct statement. |
| A. | Body OA is moving with higher speed. |
| B. | Body OB is moving with lower speed. |
| C. | ) Body OA is moving with lower speed. |
| D. | Body OB is at rest. |
| Answer» D. Body OB is at rest. | |
| 2378. |
\[1\,m/s=\_\_\_\_km/h\] |
| A. | \[\frac{50}{3}\] |
| B. | \[\frac{3}{50}\] |
| C. | \[\frac{5}{18}\] |
| D. | \[\frac{18}{5}\] |
| Answer» E. | |
| 2379. |
When a body covers equal distance in equal interval of time then it is: |
| A. | Periodic motion |
| B. | Non-uniform motion |
| C. | Average speed |
| D. | Uniform motion |
| Answer» E. | |
| 2380. |
To and fro motion of the bob of the simple pendulum is: |
| A. | Linear motion |
| B. | Rectilinear motion |
| C. | Oscillatory motion |
| D. | Circular motion |
| Answer» D. Circular motion | |
| 2381. |
A slope of a distance time graph depicts: |
| A. | Displacement |
| B. | Distance |
| C. | Speed |
| D. | Time |
| Answer» D. Time | |
| 2382. |
Average velocity of an object is obtained by |
| A. | dividing the total distance travelled by the total time taken |
| B. | half of the sum of the initial velocity and the final velocity |
| C. | Both (a) and (b) |
| D. | None of the above |
| Answer» D. None of the above | |
| 2383. |
Which of the following are NOT in uniform motion? (i) A bullet travelling with a constant speed in a straight line (ii) A Swinging pendulum (iii) The rotation of earth |
| A. | Only (i) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (i) and (iii) |
| D. | (i), (ii) and iii |
| Answer» C. Only (i) and (iii) | |
| 2384. |
A body moves on a circular track covering one complete round of 60 m in 10 seconds. Find its average speed. |
| A. | \[~3\text{ }m\text{ }{{s}^{-1}}\] |
| B. | \[6\text{ }m\text{ }{{s}^{-1}}\] |
| C. | \[36\text{ }m\text{ }{{s}^{-1}}\] |
| D. | \[600\text{ }m\text{ }{{s}^{-1}}\] |
| Answer» C. \[36\text{ }m\text{ }{{s}^{-1}}\] | |
| 2385. |
Velocity-time graph for a particle moving on a straight line is shown in the figure. Select the correct |
| A. | The particle has never turned around. |
| B. | The particle has zero displacement. |
| C. | The average speed in the interval 0 s to 10 s is the same as the average speed in the interval 10 s to 20 s. |
| D. | Both (A) and (B) |
| Answer» D. Both (A) and (B) | |
| 2386. |
Match the column I with column II and select the correct option from the codes given below. Column I Column II (a) Object moving with variable speed (i) (b) Object moving is at rest (ii) (c) The graph which is not possible (iii) (d) Object moving with constant speed (iv) |
| A. | (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv) |
| B. | (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i) |
| C. | (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv) |
| D. | (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii) |
| Answer» D. (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii) | |
| 2387. |
A train leaves a station X at 5:00 pm and reaches to another station Vat midnight. Its speed is \[90\text{ }km\text{ }{{h}^{\tilde{\ }1}}\]? What is the distance between X and Y? |
| A. | 480 km |
| B. | 630 km |
| C. | 800 km |
| D. | 830 km |
| Answer» C. 800 km | |
| 2388. |
When the speed of an object moving along a straight line keeps changing its motion is called: |
| A. | Periodic |
| B. | Uniform |
| C. | Non-uniform |
| D. | All the above |
| Answer» D. All the above | |
| 2389. |
The time period in the given simple pendulum is: |
| A. | Time taken by bob to travel Q to R. |
| B. | Time taken by bob to travel Q to P then from P to Q. |
| C. | Time taken by bob to travel Q to R then from R to P. |
| D. | Time taken by bob to travel Q to R then from R to P and then from P to Q. |
| Answer» E. | |
| 2390. |
Which of the following is not a unit of speed? |
| A. | \[m/s\] |
| B. | \[km/h\] |
| C. | \[m/{{s}^{-1}}\] |
| D. | \[m{{s}^{-1}}\] |
| Answer» D. \[m{{s}^{-1}}\] | |
| 2391. |
A body moving in a straight line is said to be in uniform motion, if |
| A. | It covers equal distances in equal intervals of time, how so ever small the interval may be |
| B. | It covers equal distance in equal intervals of time, when intervals are of 1 hour |
| C. | It covers equal distances in equal intervals of time, when intervals are of 1 min. |
| D. | None of the above is correct. |
| Answer» B. It covers equal distance in equal intervals of time, when intervals are of 1 hour | |
| 2392. |
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Study the distance time graph of a toy car given here and choose the incorrect statement from the following. |
| A. | The toy car is fastest during fast 10 seconds |
| B. | The toy car is fastest in between 10 and 20 seconds |
| C. | Distance travelled during last 10 seconds in 5m |
| D. | None of these. |
| Answer» B. The toy car is fastest in between 10 and 20 seconds | |
| 2393. |
DIRECTIONS: The questions in this segment consist of two statements, one labeled as "Assertion A" and the other labeled as "Reason R". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): The time period of a simple pendulum is indepdent of its length. Reason (R): The length of a pendulum is the distance between point of suspension and center of the bob. |
| A. | Both A and R is true and R is the correct explanation of A. |
| B. | Both A and R is true but R is not the correct explanation of A. |
| C. | A is true but R is false. |
| D. | A is false but R is true. |
| Answer» E. | |
| 2394. |
With what speed should a car travel so that it can cover a distance of 5 km in 5 min? |
| A. | \[1\text{ }km\text{ }{{h}^{-1}}\] |
| B. | \[5\text{ }km\text{ }{{h}^{-1}}\] |
| C. | \[12\,km\,{{h}^{-1}}\] |
| D. | \[~60\text{ }km\text{ }{{h}^{-1}}\] |
| Answer» E. | |
| 2395. |
A body covers half of its journey with a speed of 60 m/s and the other half with a speed of 40 m/s. Then average speed during whole journey is |
| A. | 0 |
| B. | 50 m/s |
| C. | 48 m/s |
| D. | 52 m/s |
| Answer» D. 52 m/s | |
| 2396. |
Which one of the following animals lives in Polar Region? |
| A. | Lions |
| B. | Cows |
| C. | Wolfs |
| D. | Penguins |
| Answer» E. | |
| 2397. |
DIRECTIONS: Read the following three statements carefully and choose the correct option. (i) Erosion of soil is more severe in areas of high vegetation. (ii) Polythene and plastic bags pollute the soil and also kill the organisms living in the soil. (iii) Discharge of waste products by chemical factories does not cause soil pollution. |
| A. | Statement (i) and (iii) are incorrect while statement (ii) is correct. |
| B. | Statement (i) and (ii) are incorrect while (iii) is correct. |
| C. | All the statements are correct. |
| D. | All the statements are incorrect. |
| Answer» B. Statement (i) and (ii) are incorrect while (iii) is correct. | |
| 2398. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 3 Water when allowed to percolate through a loamy soil, took 20 minutes for 400 mL of water to percolate. Different soils have different percolation rates. Percolation rate of sandy soil is faster as compared to clayey soil. Loamy soil contains __________ |
| A. | sand, clay and silt |
| B. | sand, humus and rock |
| C. | sand, humus and silt |
| D. | sand, clay and rock |
| Answer» B. sand, humus and rock | |
| 2399. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Soil was dug from the garden and dissolved in water (about 500 ml) taken in a beaker. The beaker was shaken vigorously for about a minute and then kept undisturbed. After sometime the soil settles down and different components present in the soil (i.e. sand, clay, humus, gravel and silt) formed different layers as shown in figure. Layer represented by (B) is of: |
| A. | gravel |
| B. | sand |
| C. | clay |
| D. | silt |
| Answer» C. clay | |
| 2400. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II (A) Red soil (p) Himalayan region (B) Black soil (q) Rajasthan, Gujarat (C) Mountain soil (r) Maharashtra, M.P., Tamil Nadu (D) Alluvial soil (s) Kerala, Karnataka |
| A. | (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (q) |
| B. | (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s) |
| C. | (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (q) |
| D. | (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (q), (D) \[\to \] (p) |
| Answer» B. (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s) | |