MCQOPTIONS
Saved Bookmarks
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.
| 251. |
A body is in the uniform motion. On which type of path should it travel so that its motion can be called periodic motion? |
| A. | Straight path |
| B. | Curved path |
| C. | Circular path |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 252. |
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): Wire through which current flows gets heated. Reason (R): When current is drawn from a cell, chemical energy is converted into heat energy. |
| 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. | |
| 253. |
What are the outstanding features of Beard Ape which lives in rainforests of Western Ghats? |
| A. | It is a good climber |
| B. | It spends most of its lifetime on trees |
| C. | It possesses a silver white mane |
| D. | All the above |
| Answer» E. | |
| 254. |
From where do the monsoon winds come to India? |
| A. | Northeast |
| B. | Northwest |
| C. | Southeast |
| D. | Southwest |
| Answer» E. | |
| 255. |
Area around the equator, which is heated by the direct rays of sun is: |
| A. | North pole |
| B. | South pole |
| C. | Frigid zone |
| D. | torrid zone |
| E. | None of these |
| Answer» E. None of these | |
| 256. |
DIRECTIONS: Match column I with column Ii and select the correct answers using the code given below the columns. Column-I Column-II (A) Organic waste (p) Dysentry (B) Inorganic waste (q) Phosphorus (C) Nutrient waste (r) Tea leaves (D) Bacteria (s) Meatals |
| A. | (A) \[\to \] (s),(B) \[\to \] (r),(C) \[\to \] (q),(D) \[\to \] (p) |
| B. | (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (p),(D) \[\to \] (q) |
| C. | (A) \[\to \] (r),(B) \[\to \] (s),(C) \[\to \] (q),(D) \[\to \] (p) |
| D. | (A) \[\to \] (q),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (s) |
| Answer» D. (A) \[\to \] (q),(B) \[\to \] (r),(C) \[\to \] (p),(D) \[\to \] (s) | |
| 257. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 When water circulates through the water cycle it can be found in all the three forms i.e. solid, liquid and gas at any given time somewhere on the earth. The continuous cycling of water among the three forms keeps the total amount of water on the earth constant even when the whole world is using it. The amount of water present in air in the form of water vapor |
| A. | remains constant at a place throughout the year. |
| B. | remains constant at a place depending upon its distance from seas. |
| C. | Both the above are correct. |
| D. | None of the above is correct. |
| Answer» E. | |
| 258. |
High speed winds at a place result by |
| A. | Increased pressure |
| B. | Reduced pressure |
| C. | Water vapour |
| D. | Static electricity. |
| Answer» C. Water vapour | |
| 259. |
Which process during waste water treatment helps in eliminating germs? |
| A. | Aeration |
| B. | Sedimentation |
| C. | Chlorination |
| D. | Flocculation |
| Answer» D. Flocculation | |
| 260. |
Plants and organisms in forests are linked to each other by the process called _______ chain. |
| A. | Plants |
| B. | Forest |
| C. | Food |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 261. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 The chemical substances which are rich from nutrients and used to maintain soil fertility are called fertilizers. They also produce harmful effects. They remain in the soil and spoil porous structure of the soil which is essential for plant growth. They also kill the soil organisms like earthworms. Earthworms burrows and loosens the soil and make it porous. Which of the following is a chemical fertilizer? |
| A. | Cow dung |
| B. | Urea |
| C. | Biological mass |
| D. | None of these |
| Answer» C. Biological mass | |
| 262. |
Kinetic energy and potential energy are types of .........energy. |
| A. | Nuclear |
| B. | mechanical |
| C. | Heat |
| D. | Sound |
| Answer» C. Heat | |
| 263. |
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): A leaf insect looks like leaves and polar bear has white fur. Reason (R): They use their bodies to attack enemies. |
| 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. | |
| 264. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Rishabh, a professional skateboarder, is taking part in a skateboarding competition. Rishabh waits at the top of the ramp before skateboarding down it. Different points on the ramp are marked A, B, C and D. At which point, Rishabh has both kinetic and potential energy simultaneously? |
| A. | A |
| B. | B |
| C. | C |
| D. | None of these |
| Answer» C. C | |
| 265. |
Humus refers to the: |
| A. | top most layer |
| B. | bottom layer |
| C. | rotting dead matter in soil |
| D. | None of these |
| Answer» D. None of these | |
| 266. |
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: Tropical rain forests are found in Western Ghats and Assam in India. Reason: We find huge populations of plants and animals in tropical rainforests |
| 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. | |
| 267. |
DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Sewage is a complex mixture containing suspended solids, organic and inorganic impurities, nutrients, saprotrophic and disease causing bacteria and other microbes. Consider the following waste present in sewage and answer the questions. (i) Animal waste (ii) Fruit and vegetable waste (iii) Nitrates (iv) Phosphates (v) Phosphorus (vi) Nitrogen The nutrients present in impurity in sewage are |
| A. | (iii), (iv) and (v) |
| B. | (i), (ii) and (vi) |
| C. | (ii), (iv) and (vi) |
| D. | (v) and (vi) |
| Answer» E. | |
| 268. |
Select the countries that are situated in polar region. |
| A. | Canada |
| B. | Sweden |
| C. | Norway |
| D. | All of these |
| Answer» E. | |
| 269. |
As we go higher in the atmosphere: |
| A. | Air pressure decreases. |
| B. | Air pressure increases. |
| C. | There is no air pressure. |
| D. | We can see the air pressure. |
| E. | None of these |
| Answer» B. Air pressure increases. | |
| 270. |
Average weather pattern of many years describes: |
| A. | Precipitation |
| B. | Climate |
| C. | Humidity |
| D. | Rainfall |
| E. | None of these |
| Answer» C. Humidity | |
| 271. |
DIRECTIONS: Read the Passage (s) given below and answer the questions that follow. Passage - 3 The evaporation of water from leaves generates a suction pull which can pull water to great heights in tall trees. Movement of sap through the plant is facilitated by |
| A. | absorption by roots |
| B. | gravitational force |
| C. | transpiration pull and absorption by roots |
| D. | height of sap |
| Answer» D. height of sap | |
| 272. |
DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Which part in the given figure contains cracks and crevices? |
| A. | (i) |
| B. | (ii) |
| C. | (iii) |
| D. | (iv) |
| Answer» D. (iv) | |
| 273. |
What happens to water table if a large area is covered with construction activities? |
| A. | It becomes less. |
| B. | It remains constant. |
| C. | It becomes more. |
| D. | It depends on the area. |
| Answer» B. It remains constant. | |
| 274. |
Water Cycle |
| A. | refers to cycling of water among its three forms that keeps total amount of water on earth constant. |
| B. | essential for various forms of water to change from one form to other. |
| C. | taking water from one place to another and bring it back to the original place after completing a fall cycle. |
| D. | All of the above |
| Answer» B. essential for various forms of water to change from one form to other. | |
| 275. |
DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: The figure given below represents human excretory system. Identify the labeled part in which urine is stored. |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 276. |
Which one of the following animals do not live in polar region? |
| A. | Anaconda |
| B. | Penguin |
| C. | Polar bear |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 277. |
Presence of sharp clauses and powerful feet in fishing eagle is an adaptation to |
| A. | available food |
| B. | self protection |
| C. | climate |
| D. | Changing environment |
| Answer» B. self protection | |
| 278. |
What causes the air circulation from poles to the warmer latitudes? |
| A. | The air at poles is colder as compared to air at latitudes about 60 degrees. |
| B. | The air at poles in hotter as compared to air at latitudes about 60 degrees. |
| C. | The temperature of air is almost same at poles as at latitudes of 60 degrees. |
| D. | None of the above |
| Answer» B. The air at poles in hotter as compared to air at latitudes about 60 degrees. | |
| 279. |
Germs and bacteria are destroyed by |
| A. | chlorination |
| B. | Boiling |
| C. | Both (a) and (b) |
| D. | filtration |
| Answer» D. filtration | |
| 280. |
Which one of the following nutrients are present in sewage? |
| A. | Nitrogen |
| B. | Phosphorus |
| C. | Chlorine |
| D. | Both A and B |
| E. | None of these |
| Answer» E. None of these | |
| 281. |
Soils are classified according to their: |
| A. | colour and type of mineral content |
| B. | colour and texture |
| C. | texture and type of mineral content |
| D. | colour, texture and type of mineral content |
| Answer» C. texture and type of mineral content | |
| 282. |
What is the term geologist?s use for the layer of loose, heterogeneous weathered material lying on top of the bedrock? |
| A. | Humus |
| B. | Laterite |
| C. | Regolith |
| D. | Soil |
| Answer» D. Soil | |
| 283. |
Which of the following processes does the information given below refer to? Helps to cool plants Helps transport of water and mineral salts to the tip of the plant |
| A. | Oxidation |
| B. | Respiration |
| C. | Transpiration |
| D. | Photosynthesis |
| Answer» D. Photosynthesis | |
| 284. |
Look at the picture given below carefully and answer which one of the following procedures has been shown through pictures? |
| A. | Germination |
| B. | Vegetative propagation |
| C. | Ovulation |
| D. | Fertilization |
| E. | None of these |
| Answer» E. None of these | |
| 285. |
Which blood cell can do this function as shown below? |
| A. | Red blood cells |
| B. | White blood cells |
| C. | Platelets |
| D. | Denucleated red blood cells |
| Answer» C. Platelets | |
| 286. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Weather of a place never changes. (ii) Weather of a place change annually. |
| 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. | |
| 287. |
Which one of the following is the best conductor of electricity? |
| A. | Silver |
| B. | Copper |
| C. | Aluminum |
| D. | Iron |
| E. | None of these |
| Answer» B. Copper | |
| 288. |
Ph value of a solution is 10. What is the nature of the solution? |
| A. | Acid |
| B. | Base |
| C. | Salt |
| D. | All of these |
| E. | None of these |
| Answer» C. Salt | |
| 289. |
Based on the given information, which statement is true about the importance of soil to plants? (i) Soil supplies plants with food (ii) Soil supplies plants with minerals (iii) Soil supplies plants with air and water |
| A. | (i) only |
| B. | (ii) and (iii) only |
| C. | (i) and (ii) only |
| D. | (i), (ii) and (iii) |
| Answer» C. (i) and (ii) only | |
| 290. |
The international decade for action on "water for life" by United Nations General Assembly was declared on |
| A. | Jan, 26 |
| B. | March, 22 |
| C. | April, 14 |
| D. | None of these |
| Answer» C. April, 14 | |
| 291. |
Which one of the following is a source of fresh water? |
| A. | Oceans |
| B. | Seas |
| C. | Well |
| D. | All of these |
| E. | None of these |
| Answer» D. All of these | |
| 292. |
Observe the figure given below. Which of the given statements best explains why the cardboard does NOT fall? |
| A. | The wet cardboard sticks to the glass. |
| B. | Atmospheric pressure acts equally on the glass and on the cardboard. |
| C. | The force of gravity pulling the cardboard is negligible. |
| D. | Air exerts pressure on the cardboard in the upward direction. |
| Answer» E. | |
| 293. |
DIRECTIONS: Read the following two statements carefully and choose the correct options. (i) Change of water vapour into water is called evaporation. (ii) Change of water into water vapour is called precipitation. (iii) Water cycle causes imbalance of water in nature. |
| 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» E. | |
| 294. |
Which is protein part of the blood |
| A. | Erythrocytes |
| B. | Leukocytes |
| C. | Platelets |
| D. | Plasma |
| Answer» E. | |
| 295. |
Mean temperature at anyplace for a given month means: |
| A. | the average of temperatures recorded during the month. |
| B. | the average of averages of temperatures receded during the months over many years. |
| C. | both the above combined |
| D. | none of the above is correct |
| Answer» D. none of the above is correct | |
| 296. |
What helps polar bear to survive in Polar Regions? |
| A. | They have 2 layers of fat. |
| B. | They have furry skin |
| C. | They have big feet |
| D. | All the above |
| Answer» E. | |
| 297. |
A violent twisting funnel of wind is called: |
| A. | (a) Thunderstorm |
| B. | (b) Tornado |
| C. | (c) Landslides |
| D. | (d) Lightening |
| E. | (e) None of these |
| Answer» C. (c) Landslides | |
| 298. |
Refer to the given figure showing different temperature zones of the Earth and select the correct statement. |
| A. | Labelled parts P and U are the torrid zones. |
| B. | Labelled parts Q and Tare temperate zones. |
| C. | Labelled parts R and S are frigid zones. |
| D. | None of these |
| Answer» C. Labelled parts R and S are frigid zones. | |
| 299. |
Read the following statements carefully and select the option which correctly identifies true (T) and false (F) ones.(i) The seasonal movement of the complete population of animals from one area to another is termed migration.(ii) Heavy and solid bones help penguins to swim through water at a speed up to 15 miles per hour.(iii) Toucans have four clawed toes in each leg, two in front and two at the back.(iv) Most rainforests lie between the Tropic of Cancer and the Tropic of Capricorn, that is why they are often called as tropical rainforests. |
| A. | (i)(ii)(iii)(iv)FTTT |
| B. | (i)(ii)(iii)(iv)TTFT |
| C. | (i)(ii)(iii)(iv)TFTT |
| D. | (i)(ii)(iii)(iv)FFFT |
| Answer» D. (i)(ii)(iii)(iv)FFFT | |
| 300. |
Long inactivity and metabolic depression of animals during summer is known as ______. |
| A. | Hibernation |
| B. | Aestivation |
| C. | Migration |
| D. | Camouflage |
| E. | None of these |
| Answer» C. Migration | |