MCQOPTIONS
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MCQOPTIONS
This section includes 1489 Mcqs, each offering curated multiple-choice questions to sharpen your 8th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1301. |
Glowing of bulb when current passes through it is an example of: |
| A. | Chemical effect of electric current. |
| B. | Heating effect of electric current. |
| C. | Magnetic effect of electric current. |
| D. | All the above |
| E. | None of these |
| Answer» C. Magnetic effect of electric current. | |
| 1302. |
___ metal is mostly used for electroplating on car parts, bicycle-handlebars to give them a shiny appearance. |
| A. | Iron |
| B. | Copper |
| C. | Chromium |
| D. | Aluminum |
| E. | None of these |
| Answer» D. Aluminum | |
| 1303. |
Species of plants and animals which are found exclusively in a particular area are known as: |
| A. | Endangered species |
| B. | Extinct species |
| C. | Endemic species |
| D. | Imbalanced species |
| E. | None of these |
| Answer» D. Imbalanced species | |
| 1304. |
Which one of the following is an endangered species? |
| A. | Caspian tiger |
| B. | Irish deer |
| C. | Lion-tailed Macaque |
| D. | All the above |
| E. | None of these |
| Answer» D. All the above | |
| 1305. |
A large area of scenic beauty protected and maintained by the government to preserve flora and fauna, landscape and places of scientific interest is a: |
| A. | Wildlife Sanctuary |
| B. | National Park |
| C. | Red data field |
| D. | Botanical garden |
| E. | None of these |
| Answer» C. Red data field | |
| 1306. |
Which of the following is formed during the process of anaerobic fermentation? |
| A. | Biogas |
| B. | Natural gas |
| C. | Water gas |
| D. | Petroleum |
| Answer» B. Natural gas | |
| 1307. |
Name the State that launched 'Project elephant? to save Asian elephants? |
| A. | Tamilnadu |
| B. | Andhra Pradesh |
| C. | Maharashtra |
| D. | Karnataka |
| Answer» E. | |
| 1308. |
How is synthetic petrol produced? |
| A. | From petroleum |
| B. | From wood |
| C. | From coal |
| D. | From L.P.G. |
| Answer» D. From L.P.G. | |
| 1309. |
Main distinguish feature between plant cell and animal cell is: |
| A. | Cell membrane |
| B. | Plastid |
| C. | Cell wall |
| D. | Both [b] and [c] |
| E. | None of these |
| Answer» E. None of these | |
| 1310. |
Consider the following statements regarding fossil fuels. I Fossil fuels are the dead remains of living organisms that have been buried for a long time. II Excessive use of fossil fuels causes global warming and a depletion of natural resources.III Earthquakes occur as a result of burning fossil fuels. Among the given statements, |
| A. | Only statement I is true |
| B. | Only statement III is true |
| C. | Statements I and II are true |
| D. | Statements II and III are true |
| Answer» D. Statements II and III are true | |
| 1311. |
The branch of biology and medicine concerned with the structure and function of plant and animal cells is known as: |
| A. | Cryptology |
| B. | Cytology |
| C. | Cardiology |
| D. | Cynology |
| E. | None of these |
| Answer» C. Cardiology | |
| 1312. |
Due to Continued soil erosion, conversion of land into desert is called: |
| A. | Deforestation |
| B. | Drought |
| C. | Desertification |
| D. | Global warming |
| E. | None of these |
| Answer» D. Global warming | |
| 1313. |
Deforestation is not done for: |
| A. | Building homes, factories and roads. |
| B. | Farming |
| C. | Mining of minerals. |
| D. | All the above |
| E. | None of these |
| Answer» F. | |
| 1314. |
Fauna of a region refers to: |
| A. | Plants found in a particular region. |
| B. | Animals found in a particular region. |
| C. | Water bodies of a region. |
| D. | Both [a] and [b] |
| E. | None of these |
| Answer» C. Water bodies of a region. | |
| 1315. |
____ is the largest cell. |
| A. | Human nerve cell |
| B. | Egg of an ostrich |
| C. | Egg of blue whale |
| D. | Bacterial cell |
| E. | None of these |
| Answer» C. Egg of blue whale | |
| 1316. |
A cell organelle which contains most of the hydrolytic enzyme is called: |
| A. | Ribosome |
| B. | Peroxisome |
| C. | Lysosome |
| D. | Mesosome |
| E. | None of these |
| Answer» D. Mesosome | |
| 1317. |
Four substances P, Q, R, and S were brought one by one near a lighted candle. It was observed that only substance Q bums readily. Substances P and R burn after sustained heating and substance S does not bum at all. Among all the substances given, which substance has the lowest ignition temperature? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» C. R | |
| 1318. |
What are insulators? |
| A. | Materials that conduct electricity |
| B. | Materials that do not conduct electricity |
| C. | Materials that conduct electricity only at low temperatures |
| D. | Materials that conduct electricity at room temperature |
| Answer» C. Materials that conduct electricity only at low temperatures | |
| 1319. |
Choose the correct option for the given statements.I. Plastics are generally good conductors of electricity.II. Ropes made by bake lite are used in cranes and elevators.III. Teflon is a special plastic on which oil and water do not stick.IV. Plastic is non-biodegradable, hence not environment friendly. |
| A. | (i)(ii)(iii)(iv)TTFF |
| B. | (i)(ii)(iii)(iv)FFTT |
| C. | (i)(ii)(iii)(iv)TFTF |
| D. | (i)(ii)(iii)(iv)FTFT |
| Answer» C. (i)(ii)(iii)(iv)TFTF | |
| 1320. |
I Which of these clothes should you wear while cooking in the kitchen? |
| A. | Rayon |
| B. | Cotton |
| C. | Polyester |
| D. | Polycot |
| Answer» C. Polyester | |
| 1321. |
Anisha prepared a flowchart to show classification of fibres and plastics. She left few columns blank. Fill in the blanks by choosing the option with correct words. |
| A. | P Q R S Plant fibres Animal fibres Thermoplastics Thermosetting |
| B. | P Q R S Animal fibres Plant fibres Thermosetting Thermoplastics |
| C. | P Q R S Rayon Animal fibres Biodegradable Non-biode-gradable |
| D. | P Q R S Animal fibres Plant fibres Non-biodegradable Biodegradable |
| Answer» C. P Q R S Rayon Animal fibres Biodegradable Non-biode-gradable | |
| 1322. |
Match the entries in Column I with those in Column II. Column - I Column - II (a) Silk (i) Rope (b) Nylon (ii) Sweater (c) Acrylic (iii) Bottle (d) Plastic (iv) Saree |
| A. | a-1, b-3, c-4, d-2 |
| B. | a-2, b-4, c-3, d-1 |
| C. | a-3, b-1, c-4, d-2 |
| D. | a-4, b-1, c-2, d-3 |
| Answer» E. | |
| 1323. |
Which of the following statements is/are correct? (I) Most synthetic fibres are obtained from coal, petroleum and natural gas. (II) Acrylic fibres closely resemble wool. (Ill) Most synthetic fibres have very high moisture absorbing capacity. (IV) Polyester is prepared from cellulose. |
| A. | I and II only |
| B. | II and III only |
| C. | IV only |
| D. | All of these |
| Answer» B. II and III only | |
| 1324. |
Which one of the following is an example of thermoplastic? |
| A. | Polythene |
| B. | Polyvinyl chloride |
| C. | Melamine |
| D. | Both and |
| Answer» E. | |
| 1325. |
Which one of the following synthetic fibers is obtained from wood pulp? |
| A. | Rayon |
| B. | Nylon |
| C. | Polyester |
| D. | Acrylic |
| Answer» B. Nylon | |
| 1326. |
Why does the pole star appear to be stationary in all seasons? |
| A. | It does not rotate on its axis. |
| B. | It happens to lie on the axis of equator. |
| C. | It happens to lie above the axis of north pole of the earth. |
| D. | It is the most distant of all the stars. |
| Answer» D. It is the most distant of all the stars. | |
| 1327. |
What are groups of stars which seem to form a pattern called? |
| A. | Nebulae |
| B. | Galaxies |
| C. | Asteroids |
| D. | Constellations |
| Answer» E. | |
| 1328. |
Which of the following is equal to one cosmic year? |
| A. | 365 days |
| B. | 24 days |
| C. | \[2.25\times {{10}^{6}}\text{ }days\] |
| D. | \[225\times {{10}^{6}}\text{ }years\] |
| Answer» E. | |
| 1329. |
Which of the following is the brightest non-star visible to the human eye? |
| A. | Moon |
| B. | Venus |
| C. | Mars |
| D. | Jupiter |
| Answer» B. Venus | |
| 1330. |
Which of the following is the correct match? |
| A. | The smallest planet of the solar system - Venus |
| B. | A galaxy - Group of planets |
| C. | Not visible from the northern hemisphere - Pole star |
| D. | Rotates from east to west ? Uranus |
| Answer» E. | |
| 1331. |
Read the given statements and select the correct option.Statement 1: Saturn could float if put in water.Statement 2: Saturn is less dense than water. |
| A. | Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. |
| B. | Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | Both statements 1 and 2 are false. |
| Answer» B. Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. | |
| 1332. |
On which planet is one day longer than a year on the Earth? |
| A. | Saturn |
| B. | Neptune |
| C. | Venus |
| D. | Jupiter. |
| Answer» D. Jupiter. | |
| 1333. |
Phases of the Moon are as shown in the figure. Which of the following options shows the correct labelling? |
| A. | 1 - Full Moon, 2 - Waning gibbous Moon, 3 - Waning crescent Moon, 4 - New Moon, 5 - Waxing crescent Moon |
| B. | 1 - New Moon, 2 - Waxing gibbous Moon, 3 - Waning crescent Moon, 4 - Full Moon, 5 - Waxing crescent Moon |
| C. | 1 - Waning crescent Moon, 2 - Waning gibbous Moon, 3 - Full Moon, 4 - New Moon, 5 - Waxing crescent Moon |
| D. | 1 - New Moon, 2 - Waning gibbous Moon, 3 - Waning crescent Moon, 4 - Full Moon, 5 - Waxing gibbous Moon |
| Answer» B. 1 - New Moon, 2 - Waxing gibbous Moon, 3 - Waning crescent Moon, 4 - Full Moon, 5 - Waxing crescent Moon | |
| 1334. |
Consider the following statements and select the option which correctly identifies true (T) and false (F).(i) Mars is the red planet because it is hottest planet of solar system.(ii) The galaxy in which our solar system is located is milky way,(iii) Hydrogen burns as fuel in stars.(iv) A nebula is a cloud of dust and gas in space. |
| A. | (i)(ii)(iii)(iv)TTTT |
| B. | (i)(ii)(iii)(iv)FFFF |
| C. | (i)(ii)(iii)(iv)TTFF |
| D. | (i)(ii)(iii)(iv)FTTT |
| Answer» E. | |
| 1335. |
A planet which is called born sister of Earth is |
| A. | Mercury |
| B. | Venus |
| C. | Mars |
| D. | Jupiter. |
| Answer» C. Mars | |
| 1336. |
India's first artificial satellite is |
| A. | APPLE |
| B. | KANISHKA |
| C. | ARYABHATTA |
| D. | PSLV. |
| Answer» D. PSLV. | |
| 1337. |
The tail of a comet points away from the Sun due to |
| A. | Centrifugal force |
| B. | Electrical repulsion |
| C. | Attraction of comet due to other planets |
| D. | Radiation pressure. |
| Answer» E. | |
| 1338. |
Suppose a new planet is discovered between Uranus and Neptune. Its time period would be: |
| A. | Less than that of Neptune. |
| B. | More than that of Neptune. |
| C. | Equal to that of Neptune or Uranus. |
| D. | Less than that of Uranus. |
| Answer» B. More than that of Neptune. | |
| 1339. |
Which one of the following is safe in case of lightning? |
| A. | Standing in an open space. |
| B. | Standing under a tree. |
| C. | Avoiding raising an umbrella. |
| D. | Touching the metal pipes fixed in buildings. |
| Answer» D. Touching the metal pipes fixed in buildings. | |
| 1340. |
Which one of the following devices is used for detecting electric charge on an object? |
| A. | Telescope |
| B. | Ammeter |
| C. | Electroscope |
| D. | Coulomb |
| Answer» D. Coulomb | |
| 1341. |
The planet with high percentage of carbon dioxide in its atmosphere is: |
| A. | Mercury |
| B. | Earth |
| C. | Venus |
| D. | Neptune |
| Answer» D. Neptune | |
| 1342. |
Large number of rocks present in the space between the orbits of Mars and Jupiter are: |
| A. | Comets |
| B. | Meteorite |
| C. | Asteroids |
| D. | Artificial satellites |
| Answer» D. Artificial satellites | |
| 1343. |
Venus is sometimes called earth's twin because: |
| A. | These two planets are almost of the same size. |
| B. | They both have about the same mass. |
| C. | They both have a very similar composition. |
| D. | All the above |
| Answer» E. | |
| 1344. |
Lightning is the phenomenon caused by: |
| A. | Charges produced in the clouds |
| B. | Sudden movements of tectonic plates |
| C. | Volcanic eruption |
| D. | All the above |
| Answer» B. Sudden movements of tectonic plates | |
| 1345. |
Diameter of which of the following is about 6800 km? |
| A. | Mercury |
| B. | Mars |
| C. | Jupiter |
| D. | Uranus |
| Answer» C. Jupiter | |
| 1346. |
What is the nature of the force which is experienced between an electron and a proton? |
| A. | Force of attraction |
| B. | Force of repulsion |
| C. | No force is experienced |
| D. | All the above |
| Answer» B. Force of repulsion | |
| 1347. |
When two ballpoint pen refills of same material, rubbed with the same material polythene are brought near each other then they: |
| A. | Attract each other |
| B. | Repel each other |
| C. | Will not affect each other |
| D. | Either [a] or [b] |
| Answer» C. Will not affect each other | |
| 1348. |
Observe the given Venn diagram and select the correct option. |
| A. | I II III Human Bat Rhinoceros |
| B. | I II III Rhinoceros Human Bat |
| C. | I II III Bat Rhinoceros Human |
| D. | I II III Elephant Bat Human |
| Answer» B. I II III Rhinoceros Human Bat | |
| 1349. |
Read the given statements and select the correct option. Statement 1: When Ravi saw a film on space wars, he didn't hear any explosions. Statement 2: Sound travels slowest through gases. |
| A. | Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1. |
| B. | Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1. |
| C. | Statement 1 is true but statement 2 is false. |
| D. | Statement 1 is false but statement 2 is true. |
| Answer» C. Statement 1 is true but statement 2 is false. | |
| 1350. |
Consider the following statements and select the correct option which correctly identifies true (T) and false (F).(i) Short string produces notes of low pitch.(ii) Thin string produces notes of high pitch(iii) Tightly stretched string produces notes of low pitch. |
| A. | (i)(ii)(iii)TFT |
| B. | (i)(ii)(iii)TTF |
| C. | (i)(ii)(iii)TTF |
| D. | (i)(ii)(iii)FTF |
| Answer» E. | |