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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.
| 1. |
Where does rain water, after percolation, get collected? |
| A. | Above the surface of the igneous rocks |
| B. | Above the surface of the impervious rocks |
| C. | Above the surface of the granite rock |
| D. | Above the surface of the basalt rock |
| Answer» C. Above the surface of the granite rock | |
| 2. |
Name a natural calamity which does not involve wind. |
| A. | Tornadoes |
| B. | Thunderstorms |
| C. | Drought |
| D. | Cyclones |
| E. | None of these |
| Answer» D. Cyclones | |
| 3. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 Treatment of waste water involves physical, chemical and biological processes, which remove physical, chemical and biological matter that contaminates the waste water. The treated water coming out of WWTP |
| A. | has very low level of organic material and suspended impurities. |
| B. | is free of organic material and suspended impurities. |
| C. | Both the above are correct |
| D. | None of these |
| Answer» B. is free of organic material and suspended impurities. | |
| 4. |
Which of the following contaminate water? |
| A. | Fertilizers |
| B. | Pesticides |
| C. | Human waste |
| D. | All of the above |
| Answer» E. | |
| 5. |
Why does ice float on water? |
| A. | Ice is heavier than water. |
| B. | Ice is cooler than water. |
| C. | Ice is lighter than water. |
| D. | Ice is a liquid. |
| Answer» D. Ice is a liquid. | |
| 6. |
It is the minimum amount of water recommended by United Nations for drinking, washing, cooking and maintaining proper hygiene. It is recommended per person and is |
| A. | 20 liters per day |
| B. | 50 liters per day |
| C. | 100 liters per day |
| D. | 200 liters per day |
| Answer» C. 100 liters per day | |
| 7. |
Which of the following trees should be planted along sewage ponds? |
| A. | Neem |
| B. | Eucalyptes |
| C. | Peepal |
| D. | Banyan |
| Answer» C. Peepal | |
| 8. |
Choose the correct option for the given figure? |
| A. | a-temperate zone, b-torrid zone, c-equator, d-frigid zone |
| B. | a-frigid zone, b-temperate zone, c-equator, d-torrid zone |
| C. | a-temperate zone, b-equator zone, c-torrid zone, d-frigid zone |
| D. | a-temperate zone, b-frigid zone, c-equator, d-torrid zone |
| E. | None of these |
| Answer» E. None of these | |
| 9. |
Mukta conducted an experiment in which two potato tubers X and Y (of equal size) were peeled and a cavity was made in each of them. X was boiled while Y was not. The cavities in the both tubers were filled with sugar solution and they were then placed in beakers containing distilled water. Select the correct statement regarding the result of this experiment. |
| A. | Level of sugar solution increased in both potato tubers X and Y due to osmosis. |
| B. | Level of sugar solution decreased in both potato tubers X and Y due to osmosis. |
| C. | Level of sugar solution increased in only potato tuber X due to osmosis. |
| D. | Level of sugar solution increased in only potato tuber Y due to osmosis. |
| Answer» E. | |
| 10. |
Lightning is a stream of flowing electrons. It occurs when (i) Charges accumulated on the cloud discharges through it. (ii) A huge mass of charged layer of cloud discharges with the Earth. |
| A. | Only (i) is correct. |
| B. | Only (ii) is correct. |
| C. | Both (i) and (ii) are correct. |
| D. | Neither (i) nor (ii) is correct. |
| Answer» D. Neither (i) nor (ii) is correct. | |
| 11. |
Breathing cannot be considered as a whole process of respiration. Because: |
| A. | Oxidation of food does not come under it |
| B. | Breathing does not take part in transporting waste material out of body |
| C. | Only some parts of respiratory system are involved in breathing |
| D. | All of these |
| E. | None of these |
| Answer» B. Breathing does not take part in transporting waste material out of body | |
| 12. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The fresh water stored in ground is much more than that present in rivers and lakes of world. (ii) Fresh water is usually unfit for consumption. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct. |
| D. | Both statements are incorrect. |
| Answer» E. | |
| 13. |
Which of these is due to condensation? |
| A. | Drying of wet clothes |
| B. | Water drops appear on cool water bottle |
| C. | Steam rises from wet clothes when they are ironed |
| D. | Black board dries up after wiping it |
| Answer» C. Steam rises from wet clothes when they are ironed | |
| 14. |
This kills the microbes that help to purify water |
| A. | Paints |
| B. | Motor oil |
| C. | Medicines |
| D. | All of these |
| Answer» E. | |
| 15. |
The depletion of water table is due to |
| A. | increased use of water for industrial activities |
| B. | increase in use of water for agricultural activities. |
| C. | scarcity rainfall |
| D. | All of the above |
| Answer» E. | |
| 16. |
Which of the following help in keeping the balance of fresh water on earth? |
| A. | WWTP |
| B. | Greenhouse effect |
| C. | Water cycle |
| D. | Transpiration |
| Answer» D. Transpiration | |
| 17. |
Air on heating: |
| A. | Contracts |
| B. | Move downward |
| C. | Move upward |
| D. | Stop moving |
| E. | None of these |
| Answer» E. None of these | |
| 18. |
Which region among the following gets maximum sunlight? |
| A. | North pole |
| B. | Temperate region |
| C. | Equator region |
| D. | South pole |
| E. | None of these |
| Answer» D. South pole | |
| 19. |
DIRECTIONS: The questions in this segment consists of two statements, one labelled 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: Some water moves over the surface of the ground into lakes and rivers. Reason R: Some water seeps into the ground. |
| 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» C. A is true but R is false. | |
| 20. |
Water exists in |
| A. | 5 forms |
| B. | 3 forms |
| C. | no form |
| D. | 2 form |
| Answer» C. no form | |
| 21. |
The Arabic word from which word "monsoon" is derived is: |
| A. | Mawsin |
| B. | Mausam |
| C. | Moonsun |
| D. | Monsoon |
| E. | None of these |
| Answer» B. Mausam | |
| 22. |
Winds with high speed possess: |
| A. | Low kinetic energy |
| B. | High kinetic energy |
| C. | High potential energy |
| D. | No energy |
| E. | None of these |
| Answer» C. High potential energy | |
| 23. |
Factor which is not responsible for the occurrence of cyclone? |
| A. | Temperature |
| B. | Humidity |
| C. | Wind speed |
| D. | Altitude |
| E. | None of these |
| Answer» E. None of these | |
| 24. |
___ and ___ conditions can describes the desert climate. |
| A. | Wet, cold |
| B. | Hot, humid |
| C. | Hot, wet weather |
| D. | Hot, dry |
| E. | None of these |
| Answer» E. None of these | |
| 25. |
Which of the following things should be present in drinking water? |
| A. | suspended impurities |
| B. | dissolved gases like \[{{\text{O}}_{\text{2}}}\And \text{C}{{\text{O}}_{\text{2}}}\] |
| C. | germs and bacteria |
| D. | All of these |
| Answer» C. germs and bacteria | |
| 26. |
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which of the following layer consists of unweathered rocks? |
| A. | (iv) |
| B. | (i) |
| C. | (ii) |
| D. | (iii) |
| Answer» B. (i) | |
| 27. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Ureters connect the kidneys to the urinary bladder. (ii) Ureters filter the blood and collect wastes in kidneys. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» B. Statement (ii) is correct while statement (i) is incorrect. | |
| 28. |
Refer to the given figure. Identify the part which carries oxygenated blood. |
| A. | P, Q, R and S |
| B. | P and T |
| C. | P and S |
| D. | R and T |
| Answer» D. R and T | |
| 29. |
Tanmay took a potted, well watered plant and set-up an experiment as shown in figure. Then, he put it in the sunlight for few hours. Which of the following options is correct regarding his observation? |
| A. | Water droplets are visible in polythene X as transpiration takes place through leaves. |
| B. | Water droplets are visible in polythene Y as transpiration takes place through stems. |
| C. | Water droplets are visible in polythene X as photosynthesis occurs in leaves. |
| D. | Water droplets are visible in polythene Vas photosynthesis occurs in stem. |
| Answer» B. Water droplets are visible in polythene Y as transpiration takes place through stems. | |
| 30. |
The cells shown in the figure can be found in the blood. Which of the following statements is/are correct regarding these cells? (i) They do not have nucleus. (ii) They help the body to fight against infections. (iii) They help the blood to clot. (iv) They help to transport oxygen. |
| A. | (ii) only |
| B. | (i) and (ii) only |
| C. | (i), (ii) and (iii) only |
| D. | (i), (iii) and (iv) only |
| Answer» B. (i) and (ii) only | |
| 31. |
The following statements describe how the transport system in a plant works. P - Xylem tubes carry water and mineral salts to other parts of the plant Q - The leaves make food in the presence of sunlight R - The leaves receive water and mineral salts S - Phloem tubes transport food to other parts of the plant T - Root hairs absorb water and mineral salts from the soil Which of these is a correct sequence? |
| A. | \[P\to T\to Q\to R\to S\] |
| B. | \[T\to P\to R\to Q\to S\] |
| C. | \[P\to R\to Q\to S\to T\] |
| D. | \[R\to Q\to T\to P\to S\] |
| Answer» C. \[P\to R\to Q\to S\to T\] | |
| 32. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) The problem of water shortage is faced by urban population only (ii) Water shortage is a universal problem. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | Both statements are correct. |
| D. | Both statements are incorrect. |
| Answer» C. Both statements are correct. | |
| 33. |
Washing machine converts energy |
| A. | electrical energy to chemical energy |
| B. | electrical energy to mechanical energy |
| C. | chemical energy to sound energy |
| D. | mechanical energy to electrical energy |
| Answer» C. chemical energy to sound energy | |
| 34. |
Codi is interested in studying about the dolphins. Once he got the chance of visiting sea shore. He observed that the dolphins come periodically on the surface of water. He came up to the following conclusions for that behavior of dolphins. Which one of the following conclusion is true? |
| A. | Dolphin comes on the surface to see the outside world |
| B. | Dolphin comes on the surface when it feels boring under the water |
| C. | Dolphin comes on the surface for breathing |
| D. | Dolphin comes on the surface so that it remains hiding from its prey and catch them easily |
| E. | None of these |
| Answer» D. Dolphin comes on the surface so that it remains hiding from its prey and catch them easily | |
| 35. |
A resource much needed for soil is |
| A. | septic tank |
| B. | vermic processing toilet |
| C. | chemical toilet |
| D. | composting pit |
| Answer» C. chemical toilet | |
| 36. |
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns. Column - I Column - II (A) a car is moving in the direction of force (p) zero work (B) A boy is studying in his classroom (q) negative work (C) Rising up of an object against force of gravity (r) Potential energy (D) Water stored in tank on the roof (s) Positive work |
| A. | A\[\to \] (s), B\[\to \] (p), C\[\to \] (q), D\[\to \] (r) |
| B. | A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p) |
| C. | A\[\to \] (p), B\[\to \] (r), C\[\to \] (s), D\[\to \] (q) |
| D. | A\[\to \] (q), B\[\to \] (p), C\[\to \] (r), D\[\to \] (s) |
| Answer» B. A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p) | |
| 37. |
DIRECTIONS: The questions in this segment consists 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): Birds migrate to warmer regions when winter sets in Reason (R): There is less food for birds in Polar Regions. |
| 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. | |
| 38. |
Which one of the following Fibers is used for telecommunication? |
| A. | Plastic fibre |
| B. | Plant fibre |
| C. | Optical fibre |
| D. | None of these |
| Answer» D. None of these | |
| 39. |
Which soil tend to be light and well aerated? |
| A. | Clayey soil |
| B. | Sandy soil |
| C. | Loamy soil |
| D. | Silt soil |
| Answer» C. Loamy soil | |
| 40. |
Which of the following methods can be used to control water pollution? (i) Avoiding the use of chemical substances freely. (ii) Educating society about the dangers of water pollution. (iii) Using biological control in agricultural areas instead of using pesticides. |
| A. | Only (i) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 41. |
DIRECTION: Carefullyobserve pictures given below and answer the following questions. Lookat the above diagram of sewage treatment plant and answer the questions thatfollow. What is the use of skimmer? |
| A. | It removes sand |
| B. | It removes oil and grease |
| C. | It helps in settling solid wastes |
| D. | It is used as a filter |
| Answer» C. It helps in settling solid wastes | |
| 42. |
The given figure shows a setup at the start of an experiment (X) and after a few days (V). The change observed in setup Y is due to |
| A. | Upward movement of food getting blocked |
| B. | Downward movement of food getting blocked |
| C. | Upward movement of water getting blocked |
| D. | Downward movement of water getting blocked. |
| Answer» C. Upward movement of water getting blocked | |
| 43. |
Refer the following experimental setup prepared by a group of students. What will happen to the water level in the beaker after a week? |
| A. | Water level will go up. |
| B. | Water level will go down. |
| C. | Water level will remain same. |
| D. | Cannot be predicted |
| Answer» C. Water level will remain same. | |
| 44. |
Blood performs many functions in our body. Codi has studied that the loss of large amount of blood may cause death. He tried to estimate about the affected activities in the body due to loss of use amount of blood. Choose the one which is not true? |
| A. | Loss of greater amount of blood means loss of a number of hemoglobin. Hemoglobin is the carrier of oxygen. Therefore, capacity of carrying oxygen of the blood might have reduced in the body which has ultimately led to death |
| B. | Work of transportation is carried by blood. Less amount of blood led disturbance in the transportation work, which causes accumulation of waste substances inside the body and lack of oxygen and food for the cells |
| C. | Blood contains WBC. WBC fights against pathogens. Therefore, improper amount of blood means weakening of defense system of the body. |
| D. | Volume of the blood vessels is reduced in order to maintain the pressure and flow of the blood |
| E. | None of these |
| Answer» E. None of these | |
| 45. |
When air is heated ,its volume: |
| A. | Decreases |
| B. | Increases |
| C. | Will not be affected |
| D. | Creates high pressure |
| E. | None of these |
| Answer» C. Will not be affected | |
| 46. |
Holes are made in hanging banners and hoardings: |
| A. | To beautify them. |
| B. | To make designs on them. |
| C. | To let the high speed wind to pass through them easily. |
| D. | All the above |
| E. | None of these |
| Answer» D. All the above | |
| 47. |
Riding a bicycle would be easier: |
| A. | In the direction of the wind. |
| B. | Against the direction of the wind |
| C. | When the storm is occurring. |
| D. | Both [a] and [b] |
| E. | None of these |
| Answer» B. Against the direction of the wind | |
| 48. |
Select the one that is a small muscular balloon like organ, which swells up when it is fall of urine and shrinks in size again after urine has been emptied out of it. |
| A. | ureter |
| B. | urinary bladder |
| C. | urethra |
| D. | none of these |
| Answer» C. urethra | |
| 49. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The rain water and water from other sources such as rivers and ponds seeps through the soil and fills the empty spaces and cracks deep below the ground. The ground water thus gets recharged by this process. At places the ground water is stored between the layers of hard rock below the water table. The process of seeping of water into the ground is called |
| A. | seepage |
| B. | infiltration |
| C. | ground filtration |
| D. | None of these |
| Answer» C. ground filtration | |
| 50. |
Based on the information given below. Identify P, Q and R. P - Transports blood to the heart Q - Unite into large vessels, venules to form veins R - Transport blood away from the heart |
| A. | P - Capillaries, Q - Veins, R - Arteries |
| B. | P - Arteries, Q - Veins, R - Capillaries |
| C. | P - Veins, Q - Capillaries, R - Arteries |
| D. | P - Capillaries, Q - Arteries, R - Veins |
| Answer» D. P - Capillaries, Q - Arteries, R - Veins | |