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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.
| 1101. |
Saurashtra, a land with history of severe water scarcity, hostile climate, and rocky land is now self-sufficient in water availability due to the efforts of ___ who taught the local people the importance of rainwater harvesting. |
| A. | Rajendra Singh |
| B. | Shamjibhai J. Antala |
| C. | Amia Ruia |
| D. | Aabid Surti |
| Answer» C. Amia Ruia | |
| 1102. |
If the percolation rate of water of a particular soil sample is 20 mL/min, then how much time will 200 mL of water take to percolate completely into the soil? |
| A. | 800 s |
| B. | 600 s |
| C. | 200 s |
| D. | 400 s |
| Answer» C. 200 s | |
| 1103. |
Dig up a handful of garden soil and put it in a beaker. Add about 500 mL of water and shake the beaker for a little while. Now, allow the soil to settle down. In which order, the soil components will get arranged from (i) to (iv) as shown in the figure? |
| A. | (i) (ii) (iii) (iv) Sand Silt Clay Clay |
| B. | (i) (ii) (iii) (iv) Gravel Sand Humus Humus |
| C. | (i) (ii) (iii) (iv) Clay Gravel Sand Humus |
| D. | (i) (ii) (iii) (iv) Humus Grave Sand Clay |
| Answer» C. (i) (ii) (iii) (iv) Clay Gravel Sand Humus | |
| 1104. |
Which of the following statements are correct? (i) Some animals help us in keeping our environment clean. They consume dead animals and dispose them off. They are called scavengers, (ii) Quinine, a forest product obtained from the bark of Cinchona tree, is widely used to treat typhoid. (iii) Van Mahotsava is a festival of cutting down trees. (iv) World Forest Day is celebrated on 21st March every year. |
| A. | (i) and (iv) only |
| B. | (ii) and (iii) only |
| C. | (i) and (ii) only |
| D. | (iii) and (iv) only |
| Answer» B. (ii) and (iii) only | |
| 1105. |
What causes cyclones? |
| A. | High speed wind |
| B. | Air pressure difference |
| C. | High speed wind and air pressure difference |
| D. | None of these |
| Answer» D. None of these | |
| 1106. |
Flow of wind from ocean to land is called |
| A. | cyclone |
| B. | typhoon |
| C. | monsoon |
| D. | None of these |
| Answer» D. None of these | |
| 1107. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: From the given figure we can infer that |
| A. | air expands and rises up on heating |
| B. | air contracts and falls down on heating |
| C. | Both the above |
| D. | None of the above |
| Answer» B. air contracts and falls down on heating | |
| 1108. |
DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: A thunderstorm becomes a cyclone when a very high pressure is accompanied by low speed winds revolving around it. Statement 2: A gradual rise in air pressure indicates dry weather. Statement 3: The formation of cyclones depends on the temperature and pressure. |
| A. | Statement (1) and (3) are incorrect while statement (2) is correct. |
| B. | Statement (1) and (2) are incorrect while (3) is correct. |
| C. | All the statements are correct. |
| D. | All the statements are incorrect. |
| Answer» C. All the statements are correct. | |
| 1109. |
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): Tornadoes may form within cyclones Reason (R): Most tornadoes are weak |
| 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. | |
| 1110. |
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): Cyclones may cause severe loss of life and property. Reason (R): In Philippines, cyclones are known as tornadoes. |
| 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. | |
| 1111. |
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 leaves of trees flute when wind is blowing. Reason (R): Air exerts pressure |
| 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» B. Both A and R are true but R is not the correct explanation of A. | |
| 1112. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 In nature itself there are situations that can create disasters and pose threat to human, animals and plant life. Two such situations are: (i) Thunderstorms and (ii) Cyclones. A large cyclone |
| A. | is a violently rotating mass of air in the atmosphere |
| B. | Has no eye |
| C. | Both the above |
| D. | None of these |
| Answer» B. Has no eye | |
| 1113. |
Main cause of movement of air is |
| A. | Uneven heating of the earth |
| B. | Movement of human beings |
| C. | Both the above |
| D. | None of these |
| Answer» B. Movement of human beings | |
| 1114. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 In nature itself there are situations that can create disasters and pose threat to human, animals and plant life. Two such situations are: (i) Thunderstorms and (ii) Cyclones. What is the tendency of hot air? |
| A. | It tends to rise and causes a drop in pressure of atmosphere |
| B. | It tends to rise and causes an increase in pressure of atmosphere |
| C. | It tends to rise but does not cause any change in pressure of the atmosphere |
| D. | None of these |
| Answer» B. It tends to rise and causes an increase in pressure of atmosphere | |
| 1115. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What happens to the air when the tube with the stretched balloon is kept in hot water? |
| A. | The air expands |
| B. | The air contracts |
| C. | No change |
| D. | None of these |
| Answer» B. The air contracts | |
| 1116. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What changes do you expect when the tube containing the stretched balloon was kept in ice- cold water? |
| A. | No change is observed |
| B. | It gets inflated |
| C. | It gets deflated |
| D. | None of these |
| Answer» D. None of these | |
| 1117. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage ? 1 Take a boiling tube and stretch a balloon tightly over its neck. Insert the boiling tube in a beaker containing hot water. Wait for 2-3 minutes and observe the changes that take place in shape of the balloon. Now take out the boiling tube and allow it to cool to room temperature. When it has cooled down place it in a beaker containing ice-cold water for 2-3 minutes and observe the changes in shape of the balloon. What change do you expect when the tube containing the stretched balloon was kept in a beaker containing hot water? |
| A. | There will be no change in the shape of the balloon |
| B. | Balloon gets inflated |
| C. | Balloon gets deflated |
| D. | Shape of balloon becomes distorted |
| Answer» C. Balloon gets deflated | |
| 1118. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the code given below the columns. Column - I Column - II (A) Hurricane (p) Created due to difference in temperature (B) Typhoon (q) Name of cyclone in U.S.A. (C) When filled in bicycle tube, keeps it inflated (r) Alternative name of cyclone (D) Difference in air pressure in nature (s) Air |
| A. | (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) |
| B. | (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (s), (D) \[\to \] (p) |
| C. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) |
| D. | (A) \[\to \] (s), (B) \[\to \] (r), (C) \[\to \] (q), (D) \[\to \] (p) |
| Answer» C. (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) | |
| 1119. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the code given below the columns. Column - I Column - II (A) Wind (p) Wind transporting water (B) Monsoon (q) Moving air (C) Thunderstorms (r) Dark funnel shaped cloud (D) Tornado (s) Swift movement of falling water droplets along with rising air that creates lightning and sound |
| A. | (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) |
| B. | (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (s) |
| C. | (A) \[\to \] (q), (B) \[\to \] (p), (C) \[\to \] (s), (D) \[\to \] (r) |
| D. | (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (r) |
| Answer» D. (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (r) | |
| 1120. |
How do cyclones decrease the fertility of the soil in the coastal areas? |
| A. | By flooding the land with saline water |
| B. | By dissolving soil and rocks |
| C. | By increasing the water table of the place |
| D. | By decreasing the water table of the place |
| Answer» B. By dissolving soil and rocks | |
| 1121. |
It is known as hurricane in U.S.A. and of typhoon in Japan. In Philippines it is known as |
| A. | Cyclone |
| B. | Typhoon |
| C. | Tornado |
| D. | None of these |
| Answer» C. Tornado | |
| 1122. |
Why does the air in regions close to equator get warmer? |
| A. | These regions are situated near the equator |
| B. | These regions get maximum heat of the sun |
| C. | Both the above are correct |
| D. | None of these |
| Answer» C. Both the above are correct | |
| 1123. |
Air moves from a region of |
| A. | low pressure to high pressure |
| B. | high pressure to low pressure |
| C. | movement of air is independent of pressure |
| D. | None of these |
| Answer» C. movement of air is independent of pressure | |
| 1124. |
Why are cloudy nights warmer than clear nights? |
| A. | The clouds do not allow the heat radiating from the earth to escape |
| B. | Amount of the moisture in the air increases |
| C. | The clouds results in heavy rainfall at night |
| D. | Both (a) & (c) |
| Answer» B. Amount of the moisture in the air increases | |
| 1125. |
Which of the following will rise the highest? |
| A. | Air at \[10{}^\circ C\] |
| B. | Air at \[40{}^\circ C\] |
| C. | Air at \[20{}^\circ C\] |
| D. | Air at\[-\,5{}^\circ C\] |
| Answer» C. Air at \[20{}^\circ C\] | |
| 1126. |
Wind currents are generated due to |
| A. | shape of earth |
| B. | sea breeze |
| C. | thunderstorm |
| D. | cyclone |
| Answer» B. sea breeze | |
| 1127. |
Low atmospheric pressure exists on the earth in which of the following latitudes? |
| A. | At the equator only |
| B. | At \[30{}^\circ \]N and S |
| C. | At the poles |
| D. | At the equator and at \[60{}^\circ \]N and S |
| Answer» B. At \[30{}^\circ \]N and S | |
| 1128. |
The winds from oceans carry water and bring rain are called |
| A. | cyclone |
| B. | typhoon |
| C. | monsoon |
| D. | None of these |
| Answer» D. None of these | |
| 1129. |
Eye of a hurricane is the region of |
| A. | very high pressure |
| B. | full of vapor |
| C. | depression and a calm area |
| D. | whirling wind |
| Answer» D. whirling wind | |
| 1130. |
Increased wind speed is accompanied by |
| A. | increase in pressure |
| B. | decrease in pressure |
| C. | no change in pressure |
| D. | None of these |
| Answer» C. no change in pressure | |
| 1131. |
Roofs are blown off when there is a strong wind because |
| A. | air in the room is at a lower pressure. |
| B. | moving air over the roof is at a lower pressure. |
| C. | moving air over the roof is at a higher pressure. |
| D. | moving air over the roof is at a lower pressure than the calm air under the roof. |
| Answer» E. | |
| 1132. |
Tornadoes are dark funnel shaped clouds that reach from |
| A. | the sky to the ground |
| B. | the ground to the sky |
| C. | any one of (a) or (b) |
| D. | None of these is correct |
| Answer» B. the ground to the sky | |
| 1133. |
Typhoon is another name used for cyclone in |
| A. | India |
| B. | Philippines |
| C. | Japan |
| D. | Both (b) and (c) |
| Answer» E. | |
| 1134. |
__________contributes to development of a cyclone. |
| A. | wind speed |
| B. | temperature |
| C. | humidity |
| D. | All of the above |
| Answer» E. | |
| 1135. |
At which place will you find the atmospheric pressure low? |
| A. | At equator only |
| B. | At \[30{}^\circ \]N and S |
| C. | At the poles |
| D. | At the equator and at \[60{}^\circ \]N and S |
| Answer» B. At \[30{}^\circ \]N and S | |
| 1136. |
__________ is used to measure atmospheric pressure? |
| A. | Barometer |
| B. | Mamometer |
| C. | Pressure cooker |
| D. | None of these |
| Answer» B. Mamometer | |
| 1137. |
What causes air circulation from poles to warmer latitudes? |
| A. | Air at poles is colder as compared to air at latitudes about 60 degrees. |
| B. | Air at poles in hotter as compared to air at latitudes of about 60 degrees. |
| C. | Temperature of air is almost same at poles as at latitudes of 60 degrees. |
| D. | None of the above |
| Answer» B. Air at poles in hotter as compared to air at latitudes of about 60 degrees. | |
| 1138. |
Which regions of earth get maximum heat from the sun? |
| A. | Polar regions |
| B. | Regions close to equator |
| C. | Regions between 20-30 degree latitude |
| D. | None of these |
| Answer» C. Regions between 20-30 degree latitude | |
| 1139. |
Wind is |
| A. | air in motion |
| B. | oxygen in air |
| C. | Both the above |
| D. | None of these |
| Answer» B. oxygen in air | |
| 1140. |
Which of the following information is generally not provided in a weather report? |
| A. | Time of sunrise and sunset |
| B. | Humidity |
| C. | Wind direction |
| D. | Clouds and rainfall |
| Answer» D. Clouds and rainfall | |
| 1141. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: Which of these show the uses of air? |
| A. | (i) only |
| B. | (ii) only |
| C. | (i), (ii) and (iii) |
| D. | (i) and (ii) only |
| Answer» D. (i) and (ii) only | |
| 1142. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: Anemometer measures speed of wind. Statement 2: Wind vane measures direction of wind. |
| A. | Statement (1) is correct while statement (2) is incorrect. |
| B. | Statement (2) is correct while statement (1) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» D. Both statements are incorrect. | |
| 1143. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement 1: Wind currents are generated due to shape of earth. Statement 2: High speed wind is accompanied by reduced pressure. |
| A. | Statement (1) is correct while statement (2) is incorrect. |
| B. | Statement (2) is correct while statement (1) is incorrect. |
| C. | Both statements are correct |
| D. | Both statements are incorrect. |
| Answer» D. Both statements are incorrect. | |
| 1144. |
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 questions using codes given below. Assertion (A): Warm air is lighter than cold air. Reason (R): Air moves from a region of high pressure to a region of low pressure. |
| 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. | |
| 1145. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. Condensation of steam inside the bottle causes: |
| A. | increasing the amount of air inside the bottle |
| B. | decreasing the amount of air inside the bottle |
| C. | increasing the pressure of air inside the bottle |
| D. | None of the above |
| Answer» C. increasing the pressure of air inside the bottle | |
| 1146. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. Why does the plastic bottle get distorted? |
| A. | Because it is made of soft plastic |
| B. | Because the difference in air pressure inside the bottle and the air pressure outside |
| C. | Both the above |
| D. | None of the above |
| Answer» C. Both the above | |
| 1147. |
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns. Column - I Column - II (A) Wind carrying water (p) Thunderstorms (B) Dark funnel shaped cloud (q) Tornado (C) Moving air (r) Monsoon (D) Develop in India very frequently (s) Wind |
| A. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (p) |
| B. | (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) |
| C. | (A) \[\to \] (q), (B) \[\to \] (r), (C) \[\to \] (p), (D) \[\to \] (s) |
| D. | (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (q) |
| Answer» B. (A) \[\to \] (p), (B) \[\to \] (q), (C) \[\to \] (r), (D) \[\to \] (s) | |
| 1148. |
Air |
| A. | occupies space |
| B. | exerts pressure |
| C. | has mass |
| D. | All of the above |
| Answer» E. | |
| 1149. |
DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns. Column - I Column - II (A) Anemometer (p) Caused by high speed wind and air pressure differences. (B) Cyclone (q) Accompanied by low pressure. (C) High wind speed (r) Instrument used to measure wind speed. (D) Wind movement (s) Caused by to uneven heating of earth surface. |
| A. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) |
| B. | (A) \[\to \] (r), (B) \[\to \] (p), (C) \[\to \] (q), (D) \[\to \] (s) |
| C. | (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (q) |
| D. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (s), (D) \[\to \] (p) |
| Answer» C. (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (p), (D) \[\to \] (q) | |
| 1150. |
High speed winds are accompanied by |
| A. | increased pressure |
| B. | reduced pressure |
| C. | water vapour |
| D. | static electricity |
| Answer» C. water vapour | |