MCQOPTIONS
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MCQOPTIONS
This section includes 1061 Mcqs, each offering curated multiple-choice questions to sharpen your 4th Class knowledge and support exam preparation. Choose a topic below to get started.
| 451. |
Which among the following is a biotic component of the environment? |
| A. | Air |
| B. | Water |
| C. | Soil |
| D. | All the above |
| E. | None of these |
| Answer» F. | |
| 452. |
We can manage non-biodegradable waste by: |
| A. | Burying |
| B. | Recycling |
| C. | Burning |
| D. | Dumping |
| E. | None of these |
| Answer» C. Burning | |
| 453. |
The given figure is showing: |
| A. | Air pollution |
| B. | Water pollution |
| C. | Land pollution |
| D. | Noise pollution |
| E. | None of these |
| Answer» C. Land pollution | |
| 454. |
Afforestation is done for: |
| A. | Increasing the number of houses. |
| B. | Soil conservation |
| C. | Soil erosion |
| D. | Polluting the environment. |
| E. | None of these |
| Answer» C. Soil erosion | |
| 455. |
Disposal of waste has to be managed well to ____ pollution. |
| A. | Cause |
| B. | Prevent |
| C. | Increase |
| D. | Spread |
| E. | None of these |
| Answer» C. Increase | |
| 456. |
What does the given sign is indicating? |
| A. | Caution |
| B. | Danger |
| C. | Recycle |
| D. | Reduce |
| E. | None of these |
| Answer» D. Reduce | |
| 457. |
The following is a biodegradable waste? |
| A. | Vegetable peel |
| B. | Fruit peel |
| C. | Things made of wood |
| D. | All the above |
| E. | None of these |
| Answer» E. None of these | |
| 458. |
The rise in sea level is the cause of: |
| A. | Global warming |
| B. | Thunderstorm |
| C. | Lightning |
| D. | Acid rain |
| E. | None of these |
| Answer» B. Thunderstorm | |
| 459. |
Which among the following is a type of pollution? |
| A. | Water pollution |
| B. | Air pollution |
| C. | Soil pollution |
| D. | All the above |
| E. | None of these |
| Answer» C. Soil pollution | |
| 460. |
DIRECTION: Refer to the given paragraph and table and answer the following question.Neha took 100 gm each of three types of soil, X, Y and Z, in three separate pots with hole at the bottom. The amount of water that was poured in the soil pot, just before it started dripping from the bottom hole, is tabulated here. XYZ15 mL25 mL50 mLThe soil that is mixture of clay, sand, humus and is usually very good for growth of most plants is _______. |
| A. | X |
| B. | Y |
| C. | Z |
| D. | Cannot be determined |
| Answer» C. Z | |
| 461. |
Planting of trees in large numbers is called: |
| A. | Deforestation |
| B. | Soil erosion |
| C. | Afforestation |
| D. | Timber |
| E. | None of these |
| Answer» D. Timber | |
| 462. |
DIRECTION: Refer to the given paragraph and table and answer the following question.Neha took 100 gm each of three types of soil, X, Y and Z, in three separate pots with hole at the bottom. The amount of water that was poured in the soil pot, just before it started dripping from the bottom hole, is tabulated here. XYZ15 mL25 mL50 mLThe soil suitable for growing watermelons and cactus is ______. |
| A. | X |
| B. | Y |
| C. | Z |
| D. | Cannot be determined |
| Answer» B. Y | |
| 463. |
Match the following; Column A Column B (I) Typhoid [A] Air (II) Bronchitis [B] Soil (III) Deafness [C] Water (IV) Pesticides [D] Noise |
| A. | (I-B), (II-A), (III-D), (IV-C) |
| B. | (I-D), (II-C), (III-A), (IV-B) |
| C. | (I-C), (II-A), (III-D), (IV-B) |
| D. | (I-C), (II-D), (III-B), (IV-A) |
| E. | None of these |
| Answer» D. (I-C), (II-D), (III-B), (IV-A) | |
| 464. |
DIRECTION: Refer to the given paragraph and table and answer the following question.Neha took 100 gm each of three types of soil, X, Y and Z, in three separate pots with hole at the bottom. The amount of water that was poured in the soil pot, just before it started dripping from the bottom hole, is tabulated here. XYZ15 mL25 mL50 mLThe soil most suitable for pottery is _______. |
| A. | X |
| B. | Y |
| C. | Z |
| D. | Cannot be determined |
| Answer» D. Cannot be determined | |
| 465. |
____ is made from wood pulp. |
| A. | Paper |
| B. | Vehicle |
| C. | Glass |
| D. | Plastic |
| E. | None of these |
| Answer» B. Vehicle | |
| 466. |
______day is celebrated on 5 June. |
| A. | Republic |
| B. | Independence |
| C. | Environment |
| D. | Teachers |
| E. | None of these |
| Answer» D. Teachers | |
| 467. |
In which month of the year Van Mahotsav is celebrated? |
| A. | August |
| B. | September |
| C. | July |
| D. | February |
| E. | None of these |
| Answer» D. February | |
| 468. |
A scientist observed a sudden increase in the number of algae in a lake eves a few days. The reason behind it could be that ________. |
| A. | Water cycle in the area got unbalanced |
| B. | Electronic wastes were being dumped in a nearby area |
| C. | A factory with heavy smoke discharge has been established nearby |
| D. | Heavy amount of chemical fertilizers were being used in a nearby field |
| Answer» E. | |
| 469. |
Which of the following will NOT cause water pollution? |
| A. | Releasing harmful gases into the air |
| B. | Using recycled waste water for cleaning |
| C. | Putting unwanted waste in abandoned fields located nearby a water body |
| D. | Throwing industrial and chemical waste products into rivers |
| Answer» E. | |
| 470. |
Air pollution can be caused by: |
| A. | Releasing of chemical waste into lakes. |
| B. | Washing clothes in rivers. |
| C. | Releasing of poisnous gases from industries. |
| D. | Agricultural waste. |
| E. | None of these |
| Answer» D. Agricultural waste. | |
| 471. |
Whenever we use the air conditioner, refrigerator, TV., etc., we send X gases into the air. Which of these is also an X gas? |
| A. | CNG |
| B. | Carbon dioxide |
| C. | Oxygen |
| D. | Nitrogen |
| Answer» C. Oxygen | |
| 472. |
Match the column I with column II and select the correct option. Column I Column II (Causes of soil erosion) (Methods of soil conservation) a. Running water carries the topsoil with it 1. Embankments b. Strong winds blow away humus-rich topsoil 2. Wind breaks c. Indiscriminate cutting of trees 3. Afforestation 4. Terrace farming |
| A. | a-1, 3; b-2; c-4 |
| B. | a-2, 4; b-1; c-3 |
| C. | a-2; b-1, 3; c-4 |
| D. | a-1, 4; b-2; c-3 |
| Answer» E. | |
| 473. |
Harmful changes made in the environment due to human activities are called ________. |
| A. | Pollutants |
| B. | Moisture |
| C. | Pollution |
| D. | Diseases |
| E. | None of these |
| Answer» D. Diseases | |
| 474. |
The process of water cycle that recharges water table and sometimes leads to floods; is also responsible for ________ |
| A. | Drying of clothes |
| B. | Water loss from plant leaves |
| C. | Filling of wells |
| D. | Formation of dew drops |
| Answer» D. Formation of dew drops | |
| 475. |
A land breeze blows when the air above land is ______and the air above sea is _________. |
| A. | Colder, Warmer |
| B. | Warmer, Lighter |
| C. | Heavier, Colder |
| D. | Warmer, Colder |
| Answer» B. Warmer, Lighter | |
| 476. |
Leather shoes should be aired at least once a week to prevent |
| A. | growth of would fungus. |
| B. | breeding of mosquitoes. |
| C. | breeding of houseflies. |
| D. | all of the above |
| Answer» B. breeding of mosquitoes. | |
| 477. |
Which of these insects attacks and damages clothes? |
| A. | Silverfish |
| B. | Moth |
| C. | Cockroach |
| D. | All of these |
| Answer» E. | |
| 478. |
Nylon is a very strong and water proof material. Which of the following objects are made from nylon? (i) Umbrella (ii) Fishing net (iii) Raincoat (iv) Towel |
| A. | Only (I) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (I), (ii) and (iii) |
| D. | Only (I), (iii) and (iv) |
| Answer» D. Only (I), (iii) and (iv) | |
| 479. |
Which of these plant fibres is used for making clothes that are worn in summer? |
| A. | Jute |
| B. | Flax |
| C. | Cotton |
| D. | All of these |
| Answer» D. All of these | |
| 480. |
Seema uses a certain coat in very cold weather. The coat she chooses should be made of |
| A. | cotton. |
| B. | wool. |
| C. | silk. |
| D. | plastic. |
| Answer» C. silk. | |
| 481. |
Clothes worn by a soldier, factory worker and a student are called |
| A. | fancy clothes. |
| B. | uniforms. |
| C. | traditional clothes. |
| D. | casual wear. |
| Answer» C. traditional clothes. | |
| 482. |
Which of the following materials is wrongly grouped in the chart below? |
| A. | Wool |
| B. | Silk |
| C. | Cotton |
| D. | Leather |
| Answer» C. Cotton | |
| 483. |
Cotton clothes are preferred in a hot and humid place like India. This is because they |
| A. | are strong and light. |
| B. | have air spaces inside them. |
| C. | have air spaces between them. |
| D. | are obtained from plant. |
| Answer» D. are obtained from plant. | |
| 484. |
Which of the following products is obtained from sheep, yak and camel? |
| A. | Cotton |
| B. | Wool |
| C. | Nylon |
| D. | Silk |
| Answer» C. Nylon | |
| 485. |
Light coloured clothes keep our bodies cool in sunlight because they |
| A. | absorb moisture present in the air. |
| B. | absorb the heat of our body. |
| C. | reflect the heat of our body. |
| D. | reflect more sunlight. |
| Answer» E. | |
| 486. |
Weaving is |
| A. | the separating of seeds from cotton bolls. |
| B. | the spinning of yarn. |
| C. | the arranging of two sets of yarn together to make a fabric. |
| D. | the immersing of stems of jute plant in water. |
| Answer» D. the immersing of stems of jute plant in water. | |
| 487. |
Jute fibre is obtained from the _________ of jute plant. |
| A. | leaves |
| B. | seeds |
| C. | roots |
| D. | stems |
| Answer» E. | |
| 488. |
Which of the following statements is wrong regarding the use of clothes? |
| A. | Clothes protect us from heat and sun. |
| B. | Clothes do not protect us from dust. |
| C. | Clothes protect us from insect bites. |
| D. | Clothes make us comfortable and fashionable. |
| Answer» C. Clothes protect us from insect bites. | |
| 489. |
Which of the following plants dried leaves are used to prevent moths and insects in clothes? |
| A. | Eucalyptus leaves |
| B. | Nerium leaves |
| C. | Tulsi leaves |
| D. | Neem leaves |
| Answer» E. | |
| 490. |
In dry cleaning stores silk and woollen clothes are washed by |
| A. | hard water. |
| B. | soft water. |
| C. | petro chemicals. |
| D. | Both [a] and [b]. |
| Answer» D. Both [a] and [b]. | |
| 491. |
Bleaching and dyeing are usually done |
| A. | just before the fabrics are made. |
| B. | just before the yarns are made. |
| C. | after the fabrics are made. |
| D. | after the yarns are made. |
| Answer» D. after the yarns are made. | |
| 492. |
Mohit wears a rain coat to go out in rain. Which of these properties of the rain coat is needed here? |
| A. | Light |
| B. | Hard |
| C. | Water proof |
| D. | Porous |
| Answer» D. Porous | |
| 493. |
Neetu prefers to wear a woolen sweater during the winter season. It keeps her warm by |
| A. | absorbing heat from sunlight. |
| B. | not allowing body heat to escape. |
| C. | heating the body. |
| D. | not allowing cold air to enter the body. |
| Answer» C. heating the body. | |
| 494. |
Which of the following fibres is used to weave clothes suitable to wear in the month of May? |
| A. | Cotton |
| B. | Jute |
| C. | Silk |
| D. | Coconut |
| Answer» B. Jute | |
| 495. |
Which of the following fibres is used to weave clothes suitable to wear in summer season? |
| A. | Cotton |
| B. | Jute |
| C. | Silk |
| D. | Coconut |
| Answer» B. Jute | |
| 496. |
Which of the following clothes absorb sweat? |
| A. | Polyester |
| B. | Woollen |
| C. | Cotton |
| D. | Terylene |
| Answer» D. Terylene | |
| 497. |
Which of the following is a hand woven fabric? |
| A. | Polyster |
| B. | Nylon |
| C. | Khaddar |
| D. | Terylene |
| Answer» D. Terylene | |
| 498. |
To protect silk and woollen clothes, we should use |
| A. | medicines. |
| B. | salt solution. |
| C. | benzene solution. |
| D. | naphthalene balls. |
| Answer» E. | |
| 499. |
The people who weave clothes are called |
| A. | weavers. |
| B. | salesmen. |
| C. | tailors. |
| D. | workers. |
| Answer» B. salesmen. | |
| 500. |
Silk and woollen clothes are often damaged by |
| A. | fungus. |
| B. | insects. |
| C. | bacteria. |
| D. | animals. |
| Answer» C. bacteria. | |