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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.
| 2201. |
In summers wind blows from the ocean to land in: |
| A. | Night time |
| B. | Midnight |
| C. | Daytime |
| D. | Dusk |
| Answer» D. Dusk | |
| 2202. |
A plastic bottle containing water kept in fridge got squeezed because: |
| A. | Air expands on heating and due to low air pressure from outside. |
| B. | Air contracts on cooling and due to more air pressure from outside. |
| C. | There was no air in the bottle. |
| D. | There was water in the bottle. |
| Answer» C. There was no air in the bottle. | |
| 2203. |
Which of the following does NOT increase the humidity of the surrounding air? |
| A. | A puddle of water evaporating in a few days |
| B. | Blowing hair dry after washing it |
| C. | Formation of dew drops on leaves |
| D. | Drying of clothes under the sun |
| Answer» D. Drying of clothes under the sun | |
| 2204. |
Warm air is lighter than cold air. Why? |
| A. | Warm air has more pressure. |
| B. | Molecules are closer in warm air. |
| C. | Warm air expands and becomes lighter. |
| D. | Both (A) and (B) |
| Answer» D. Both (A) and (B) | |
| 2205. |
Observe the given figure. What do you conclude from this? |
| A. | Reduced air pressure can lift objects. |
| B. | High wind speed reduces air pressure. |
| C. | Air expands on heating. |
| D. | Atmospheric pressure increases with a decrease in temperature. |
| Answer» C. Air expands on heating. | |
| 2206. |
Four glass bottles are kept in four vessels as shown in figure.If a balloon is fixed on the mouth of each of the glass bottle, then the balloon will inflate in |
| A. | Case (i) |
| B. | Case (ii) |
| C. | Case (iii) |
| D. | Case (iv) |
| Answer» D. Case (iv) | |
| 2207. |
Cyclones that develop over Indian ocean, Bay of Bengal and Arabian sea called: |
| A. | Hurricanes |
| B. | Cyclones |
| C. | Typhoons |
| D. | Tornadoes |
| Answer» C. Typhoons | |
| 2208. |
Which effect says that direction of airflow is affected by rotation of the earth? |
| A. | Greenhouse Effect |
| B. | Raman's Effect |
| C. | Coriolis Effect |
| D. | La nina effect |
| Answer» D. La nina effect | |
| 2209. |
When water vapour condenses around the dust particles in air, what does it form? |
| A. | Mist |
| B. | Dew |
| C. | Frost |
| D. | Snow |
| Answer» B. Dew | |
| 2210. |
Thunderstorms most frequently occurs in: |
| A. | Along the line of equator |
| B. | Hot and humid tropical area |
| C. | Temperate region |
| D. | Poles |
| Answer» C. Temperate region | |
| 2211. |
Which of the following does not occur due to air pressure difference? |
| A. | Cyclone |
| B. | Typhoon |
| C. | Earthquake |
| D. | Hurricane |
| Answer» D. Hurricane | |
| 2212. |
Lightning conductor was discovered by: |
| A. | Aristotle |
| B. | Nicolaus Copernicus |
| C. | Benjamin Franklin |
| D. | J.C. Bose |
| Answer» D. J.C. Bose | |
| 2213. |
Identify the correct statement among the following. |
| A. | Wind movements are caused by uneven heating of air on the earth. |
| B. | The movement of air from land to sea is called sea breeze. |
| C. | When the air moves from sea to land it is called land breeze. |
| D. | When air moves from low pressure to high pressure it is called wind. |
| Answer» B. The movement of air from land to sea is called sea breeze. | |
| 2214. |
Which among the following will have the lowest atmospheric pressure? |
| A. | Delhi |
| B. | Mumbai |
| C. | Gujrat |
| D. | Masoori |
| Answer» E. | |
| 2215. |
Cyclone is known as_____ in Philippines and Japan. |
| A. | Hurricane |
| B. | Typhoon |
| C. | Tornado |
| D. | Thunderstorm |
| Answer» C. Tornado | |
| 2216. |
Which instrument is used to measure air pressure? |
| A. | Rain Gauge |
| B. | Hygrometer |
| C. | Barometer |
| D. | Ammeter |
| Answer» D. Ammeter | |
| 2217. |
Which of the following is NOT correct of thunderstorms? |
| A. | They develop in hot, humid tropical areas like India very frequently. |
| B. | They develop in cold, humid areas like polar region very frequently. |
| C. | The swift movement of falling water droplets along with rising air create lightning and sound. |
| D. | Upward rising winds produced by rising temperatures carry water droplets upwards. |
| Answer» C. The swift movement of falling water droplets along with rising air create lightning and sound. | |
| 2218. |
How are sea and land breezes caused? |
| A. | Through convection currents |
| B. | Through cyclones |
| C. | Through rains |
| D. | Through conduction |
| Answer» B. Through cyclones | |
| 2219. |
Which of the following is the first sign of an approaching cyclone? |
| A. | Rain accompanied by lightning |
| B. | Powerful water waves |
| C. | Cool breeze and rain |
| D. | None of these |
| Answer» C. Cool breeze and rain | |
| 2220. |
How does cyclone 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 | |
| 2221. |
During the formation of rain, when water vapour changes back to liquid in the form of rain drops, |
| A. | Heat is absorbed |
| B. | Heat is released |
| C. | Heat is absorbed first and then released |
| D. | There is no exchange of heat. |
| Answer» C. Heat is absorbed first and then released | |
| 2222. |
Winds between the equator and poles do not blow in the exact north-south direction because of: |
| A. | Rotation of earth. |
| B. | Revolution of earth. |
| C. | Gravity of earth. |
| D. | Moon |
| Answer» B. Revolution of earth. | |
| 2223. |
Wheels of a car become tight on filling air because |
| A. | Air expands on heating. |
| B. | Air contracts on cooling. |
| C. | Air exerts pressure. |
| D. | Air does not exert pressure. |
| Answer» D. Air does not exert pressure. | |
| 2224. |
Monsoon winds are winds blowing from: |
| A. | Equatorial land to polar land. |
| B. | Polar land to equatorial land. |
| C. | Oceans towards the land. |
| D. | East equatorial land to west equatorial land. |
| Answer» D. East equatorial land to west equatorial land. | |
| 2225. |
Loud sound followed by lightening in the sky is called which one of the following? |
| A. | (a) Cyclone |
| B. | (b) Thunderstorm |
| C. | (c) Thunder |
| D. | (d) All of these |
| Answer» C. (c) Thunder | |
| 2226. |
The chemical formula of ozone represents which one of the following? |
| A. | (a) |
| B. | (b) |
| C. | (c) |
| D. | (d) All of these |
| Answer» C. (c) | |
| 2227. |
Why does the 'tin can' crushes on pouring cold water on it, if it already contains steam? |
| A. | (a) Due to pressure of cold water |
| B. | (b) Due to atmospheric pressure |
| C. | (c) Due to surface pressure |
| D. | (d) All of these |
| Answer» C. (c) Due to surface pressure | |
| 2228. |
DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement 1: An area of a low pressure is most likely to be in the eye of a cyclone. Statement 2: Cyclone can be predicted in advance. Statement 3: A typhoon is essentially a cyclone. |
| 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» D. All the statements are incorrect. | |
| 2229. |
Cooler air from 0 to 30 degree latitudes on either side of the equator moves in towards the equator. These winds blow towards the equator from: |
| A. | North to south in northern hemisphere |
| B. | South to north in northern hemisphere. |
| C. | East to west |
| D. | West to east |
| Answer» B. South to north in northern hemisphere. | |
| 2230. |
In U.S.A a cyclone is called a: |
| A. | Typhoon |
| B. | Tsunami |
| C. | Hurricane |
| D. | None of these |
| Answer» D. None of these | |
| 2231. |
What causes differences in air pressure? |
| A. | Population of the area |
| B. | Topography of the region |
| C. | Difference in temperature |
| D. | None of these |
| Answer» D. None of these | |
| 2232. |
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): Air expands on heating 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» C. A is true but R is false. | |
| 2233. |
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. What causes the air pressure inside the bottle to decrease? |
| A. | Distillation of steam inside the bottle when water is poured over it. |
| B. | Condensation of steam inside the bottle when water is poured over it |
| C. | Evaporation of steam inside the bottle when water is poured over it |
| D. | All the above |
| Answer» C. Evaporation of steam inside the bottle when water is poured over it | |
| 2234. |
In India the agency responsible for study of development and movement of cyclones is |
| A. | Indian forest department |
| B. | Indian forensic department |
| C. | Indian meteorological department |
| D. | Indian archeological department |
| Answer» D. Indian archeological department | |
| 2235. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Elephants have strong sense of smell. (ii) Red eyed frog has sticky pads on its feet (iii) Arboreal animals have opposable thumbs. |
| A. | Statements (i) and (iii) are incorrect but (ii) is correct |
| B. | Statements (i) and (ii) are incorrect but (iii) is correct. |
| C. | All statements are correct. |
| D. | All statements are incorrect. |
| Answer» D. All statements are incorrect. | |
| 2236. |
To reduce loss of water in desert areas the leaves of cactus are modified into _____. |
| A. | branches |
| B. | Adventitious roots above the ground |
| C. | spines |
| D. | rounded shaped leaves |
| Answer» D. rounded shaped leaves | |
| 2237. |
Which of the following statement is TRUE for Penguins. |
| A. | They have white body. |
| B. | They have thick layer of skin |
| C. | They have black color on their back |
| D. | All the above |
| Answer» E. | |
| 2238. |
Climate |
| A. | refers to average temperature at a place over a long time |
| B. | refers to average rainfall at a place over a long time |
| C. | refers to average weather pattern at a place taken over a long time |
| D. | none of the above |
| Answer» D. none of the above | |
| 2239. |
The Toucan bird |
| A. | has stickly pads on its feet |
| B. | has a long, large beak |
| C. | sensitive hearing |
| D. | none of these |
| Answer» C. sensitive hearing | |
| 2240. |
Which of the following instruments is used to measure atmospheric pressure? |
| A. | Barometer |
| B. | Mamometer |
| C. | Pressure cooker |
| D. | None of these |
| Answer» B. Mamometer | |
| 2241. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-II (A) Wind (i) Wind carrying water (B) Monsoon (ii) Moving air (C) Thunderstorms (iii) Dark funnel shaped cloud (D) Tornado (iv) swift movement of falling water droplets along with rising air that create lightning and sound |
| A. | (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iii), (D) \[\to \] (iv) |
| B. | (A) \[\to \] (ii), (B) \[\to \] (i), (C) \[\to \] (iii), (D) \[\to \] (iv) |
| C. | (A) \[\to \] (ii), (B) \[\to \] (i), (C) \[\to \] (iv), (D) \[\to \] (iii) |
| D. | (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iv), (D) \[\to \] (iii) |
| Answer» D. (A) \[\to \] (i), (B) \[\to \] (ii), (C) \[\to \] (iv), (D) \[\to \] (iii) | |
| 2242. |
DIRECTIONS: Read the passages given below and answer the questions that follow. Passage - 1 The weather forecast for a week has been shown in the table below. Day Max \[{{(}^{\mathbf{o}}}\mathbf{C})\] Min \[{{(}^{\mathbf{o}}}\mathbf{C})\] Forecast Sun 36 24 Sunny and hot Mon 34 22 Sunny Tue 30 20 Dry and cloudy Wed 32 21 Cloudy Thurs 27 16 Rain Fri 30 20 Light Showers Sat 32 21 Cloudy Based on this information answer the following questions: Which day has the least temperature? |
| A. | Sunday |
| B. | Thursday |
| C. | Saturday |
| D. | Monday |
| Answer» C. Saturday | |
| 2243. |
DIRECTIONS: Read the passages given below and answer the questions that follow. Passage - 2 Camouflage is a kind of adaptation in which an organism deceives others by merging its color with that of its surroundings. If a rabbit lives in a Himalayan regions what color will suit it most to hide itself from polar bear? |
| A. | Blue |
| B. | White |
| C. | Black |
| D. | Red |
| Answer» C. Black | |
| 2244. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Maximum temperature of the day occurs generally at noon. (ii) Minimum temperature is observed at the time of sunrise. |
| 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. | |
| 2245. |
Polar bear is an animal of polar region. Which of the following adaptations of polar bear help it to locate its prey? |
| A. | Its very strong sense of smell |
| B. | Its long, curved and sharp claws |
| C. | Its white fur which is not easily visible in snowy back ground |
| D. | Back ground layer of fat under its skin |
| Answer» B. Its long, curved and sharp claws | |
| 2246. |
The factors contributing to development of a cyclone are |
| A. | Wind speed |
| B. | temperature |
| C. | Humidity |
| D. | all the above |
| Answer» E. | |
| 2247. |
Travelling long distances to avoid hardships of winter is called _____. |
| A. | Migration |
| B. | hibernation |
| C. | aestivation |
| D. | adaptation |
| Answer» B. hibernation | |
| 2248. |
DIRECTIONS: Match column I with column II and select the correct answers using the code given below the columns Column-I Column-II (A) polar bear (p) camouflage (B) frog (q) migrate (C) birds (r) fur (D) chameleon (s) hibernate |
| A. | (A) \[\to \] (r), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (p) |
| B. | (A) \[\to \] (s), (B) \[\to \] (p), (C) \[\to \] (r), (D) \[\to \] (q) |
| C. | (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) |
| D. | (A) \[\to \] (p), (B) \[\to \] (s), (C) \[\to \] (q), (D) \[\to \] (r) |
| Answer» C. (A) \[\to \] (r), (B) \[\to \] (q), (C) \[\to \] (p), (D) \[\to \] (s) | |
| 2249. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 Animals are adapted to survive in the conditions in which they live. Animals living in very cold or very hot climate must possess special features to protect themselves against extreme cold or heat. Choose the bird that migrates from Siberia to Bharatpur (India) |
| A. | Siberian Crane |
| B. | Siberian Seal |
| C. | Siberian oxen |
| D. | None of these |
| Answer» B. Siberian Seal | |
| 2250. |
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: The tropical rain forests support a variety of plants and animals. Reason: The climate of tropical regions is hot and wet. |
| 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. | |