MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 2267 Mcqs, each offering curated multiple-choice questions to sharpen your 6th Class knowledge and support exam preparation. Choose a topic below to get started.
| 1801. |
To fix up the fractured bone a paste made of plaster of parts (POP) is used as a coating over the bandage on the fractured bone. After some time the plaster becomes hard and dry. This change in POP can be classified |
| A. | physical change |
| B. | permanent change |
| C. | change of state of mater |
| D. | None of these |
| Answer» C. change of state of mater | |
| 1802. |
The melting of wax is an example of |
| A. | physical change |
| B. | chemical change |
| C. | reversible change |
| D. | Both (a) and (c) |
| Answer» E. | |
| 1803. |
If few drops of petroleum are poured on your palm, you feel cool as the petrol evaporates. This change is |
| A. | slow change |
| B. | chemical reaction |
| C. | endothermic change |
| D. | periodic change |
| Answer» D. periodic change | |
| 1804. |
Given below are some applications of compressed air.(i) Tyres(ii) Sprayers(iii) Gas cylinders In which of the following is compressed air used? |
| A. | Only (i) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 1805. |
Observe the given experimental figures carefully. What does this experiment prove? |
| A. | Raw egg white contains proteins |
| B. | Raw egg white contains carbohydrates |
| C. | Raw egg white contains fats |
| D. | Raw egg white contains iodine |
| Answer» C. Raw egg white contains fats | |
| 1806. |
Which body system holds our body upright? |
| A. | Circulatory system |
| B. | Muscular system |
| C. | Nervous system |
| D. | Skeletal system |
| Answer» E. | |
| 1807. |
Which of the following statement (s) is correct? |
| A. | The movement and locomotion of all animals is exactly the same. |
| B. | The cartilages are harder than bones. |
| C. | The are no joints in finger bones. |
| D. | Cockroaches have an outer skeleton. |
| Answer» E. | |
| 1808. |
Look at the following figures and choose the correct option. (i) (ii) (iii) (iv) (v) |
| A. | (i), (ii) and (iii) represent exothermic change |
| B. | (ii), (iv) and (v) represent endothermic change |
| C. | (i), (iii) and (v) represent exothermic change |
| D. | only (ii) and (iv) represent endothermic change |
| Answer» C. (i), (iii) and (v) represent exothermic change | |
| 1809. |
Which of the following food components is present more in rice? |
| A. | Fats |
| B. | Carbohydrates |
| C. | Proteins |
| D. | Water |
| Answer» C. Proteins | |
| 1810. |
Choose the incorrect statement. |
| A. | The heating of sugar is a permanent change. |
| B. | Sugar decomposes to form charcoal. |
| C. | The crystallization of sugar is a chemical change. |
| D. | The powdering of sugar is a physical change. |
| Answer» D. The powdering of sugar is a physical change. | |
| 1811. |
Karuna wrapped some green gram pulses in a wet cotton cloth. She opened it after a couple of days and found small, white thread like structures on the seeds. What change did the pulses undergo? |
| A. | They have undergone a physical change. |
| B. | They became fresh as usual by washing and drying. |
| C. | They have undergone a chemical change. |
| D. | They have undergone a reversible, physical change. |
| Answer» D. They have undergone a reversible, physical change. | |
| 1812. |
Which substance can be taken in excess without causing health problems? |
| A. | Water |
| B. | Sugar |
| C. | Fat |
| D. | Common salt |
| Answer» B. Sugar | |
| 1813. |
People who suffer from ?????? may have too much sugar in their blood |
| A. | diabetes |
| B. | high blood pressure |
| C. | obesity |
| D. | Rickets |
| Answer» B. high blood pressure | |
| 1814. |
Which is not correct? |
| A. | Sea weeds and sea water are sources of iodine. |
| B. | Protein rich foods like meat, fish, poultry are good sources of phosphorus. |
| C. | Cereal grains do not provide phosphorus. |
| D. | Dried beans and egg contain appreciable mounts of phosphorus. |
| Answer» D. Dried beans and egg contain appreciable mounts of phosphorus. | |
| 1815. |
Which joint is located at neck? |
| A. | Pivot joint |
| B. | Fixed joint |
| C. | Ball and socket joint |
| D. | Hinge joint |
| Answer» B. Fixed joint | |
| 1816. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 1 Copper statues exposed to carbon dioxide and water in the air become coated with patina. The patina is not copper, it is not carbon dioxide, and not water. It is a new substance formed by the reaction of these chemicals with one another. The change of copper to patina as described above is a |
| A. | fast change |
| B. | slow change |
| C. | exothermic change |
| D. | endothermic change |
| Answer» C. exothermic change | |
| 1817. |
Which mineral is essential for formation of strong bones and muscles? |
| A. | Calcium |
| B. | Phosphorus |
| C. | Iron |
| D. | Potassium |
| Answer» B. Phosphorus | |
| 1818. |
What is a chemical reaction in which heat energy is liberated called? |
| A. | An exothermic reaction |
| B. | A physical change |
| C. | An endothermic reaction |
| D. | A photochemical reaction |
| Answer» B. A physical change | |
| 1819. |
Which of the following statements is/are correct with regard to our diet? |
| A. | Eat a diet rich in carbohydrates and proteins. |
| B. | Drink plenty of water |
| C. | Eat green vegetables every day. |
| D. | All of these |
| Answer» E. | |
| 1820. |
Obesity is caused when one takes more food than needed. It is caused because |
| A. | extra food is stored as fat |
| B. | extra food is not properly digested |
| C. | extra food is stored as starch |
| D. | None of these |
| Answer» B. extra food is not properly digested | |
| 1821. |
Choose the cereal among the following |
| A. | Mustard |
| B. | Almond |
| C. | Wheat |
| D. | Grain |
| Answer» D. Grain | |
| 1822. |
The fat soluble vitamins are |
| A. | vitamin B and vitamin C |
| B. | vitamin A, vitamin D, vitamin E |
| C. | vitamin A and vitamin B |
| D. | None of the above |
| Answer» C. vitamin A and vitamin B | |
| 1823. |
Ramesh wants to buy a clay pot. For which he went to a potter. Ramesh asked potter to make Z pot of his desired design, shape and size. Will potter be able to do this? This is an example of which kind of change? |
| A. | Yes, physical change |
| B. | Yes, chemical change |
| C. | No, physical change |
| D. | No, chemical change |
| Answer» B. Yes, chemical change | |
| 1824. |
Carefully observe the figures below and choose the correct |
| A. | Both the changes show in 'A? and 'B' are irreversible |
| B. | Both the changes 'A' and 'B' are reversible |
| C. | 'A' is reversible but 'B' is irreversible |
| D. | 'A' is irreversible but 'B' is reversible |
| Answer» C. 'A' is reversible but 'B' is irreversible | |
| 1825. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I (Components of diet) Column-II (Functions) A. Fats (p) Keeps our skin and eyes healthy B. Vitamin A (q) Helps our body to use calcium for bones and teeth C. Vitamin D (r) Sources of energy and essential fatty acids in diet. D. Water (s) Act as a lubricant |
| 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. | \[A\to (r);B\to (p);C\to (s);D\to (q)\] |
| D. | \[A\to (r);B\to (p);C\to (q);D\to (s)\] |
| Answer» E. | |
| 1826. |
The earthworm makes the soil useful for plants because |
| A. | the earthworm does not have any bones |
| B. | the body of earthworm is made up of many rings joined end to end |
| C. | the earthworm move by alternate extension and contraction of body using muscles |
| D. | None of these |
| Answer» E. | |
| 1827. |
Which of the following vitamins is lost by heating? |
| A. | Vitamin A |
| B. | Vitamin C |
| C. | Vitamin D |
| D. | Vitamin B |
| Answer» C. Vitamin D | |
| 1828. |
DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 1 Carbohydrates mainly provide energy to our body. Fatsal so give us energy. In fact, fats give much more energy as compared to the same amount of carbohydrates. Foods containing fats and carbohydrates are called energy giving foods. Which one will give more energy for the same quantity? |
| A. | Mango |
| B. | Melon |
| C. | Maize |
| D. | Milk |
| Answer» E. | |
| 1829. |
If two substances interact to produce a change, they will do |
| A. | so under any condition. |
| B. | only if they are not in close contact with each other. |
| C. | under any temperature. |
| D. | under the right conditions. |
| Answer» E. | |
| 1830. |
Which of the following statements is true regarding the earth's atmosphere? |
| A. | It gets denser with an increase in the altitude. |
| B. | It gets thinner with an increase in the altitude. |
| C. | It remains the same. |
| D. | It contains no solid particles. |
| Answer» C. It remains the same. | |
| 1831. |
Which pair among the following are the reversible change? |
| A. | Melting of wax and burning of wax. |
| B. | Melting of ice and freezing of ice. |
| C. | Rolling a roti and baking a roti. |
| D. | Folding of paper and burning of paper. |
| E. | None of these |
| Answer» C. Rolling a roti and baking a roti. | |
| 1832. |
What is the process of heating a liquid to a high temperature and rapidly cooling it so that the bacteria is killed called? |
| A. | Pasteurization |
| B. | Chlorination |
| C. | Bacterial disinfection |
| D. | Sublimation |
| Answer» B. Chlorination | |
| 1833. |
Which of the following is a reversible change? |
| A. | Change of raw egg to boiled egg |
| B. | Change of stretched rubber band to its normal size. |
| C. | Change of bud to flower |
| D. | None of these |
| Answer» C. Change of bud to flower | |
| 1834. |
Why are chimneys provided in factories? |
| A. | So as to locate the factories easily. |
| B. | To take the harmful smoke and gases away from us. |
| C. | To absorb the dust particles present in smoke before being released to the atmosphere. |
| D. | All of the above |
| Answer» D. All of the above | |
| 1835. |
Skeletal and muscular systems work together to enable the body to move. What is the main function of the skeletal system in relationship to the muscular system? |
| A. | To provide attachment points for muscles. |
| B. | To assist muscles in growth and development. |
| C. | To produce muscle cells inside the bone marrow. |
| D. | To produce enzymes that help muscles repair themselves. |
| Answer» B. To assist muscles in growth and development. | |
| 1836. |
Which organ system consists mainly of brain and spinal cord? |
| A. | Muscular system |
| B. | Digestive system |
| C. | Nervous system |
| D. | Skeletal system |
| E. | None of these |
| Answer» D. Skeletal system | |
| 1837. |
A streamlined body is one |
| A. | in which middle portion of body is large as compared to head or tail portion |
| B. | in which middle portion is smaller as compared to head or tail portion |
| C. | Both the above |
| D. | None of these |
| Answer» B. in which middle portion is smaller as compared to head or tail portion | |
| 1838. |
Read the following two statements carefully and choose the correct option. Roughages absorb large amount of water and retain it in our body. A diet, which contains all the nutrients required by our body and that too inadequate quantities is called balanced diet. |
| A. | Statement (i) is correct while statement (ii) is incorrect. |
| B. | Statement (ii) is correct while statement (i) is incorrect. |
| C. | All statements are correct. |
| D. | All statements are incorrect. |
| Answer» D. All statements are incorrect. | |
| 1839. |
Read the given statements and mark the correct option. Statement 1: While fixing a metal rim on a wooden wheel of a cart, the size of the metal rim is kept slightly smaller than that of the wooden wheel. Statement 2: Metals expand on heating and contract on cooling. |
| 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 and 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. | |
| 1840. |
Swati classified a few changes occurring around us as shown in the table. No. Changes Type 1. Sharpening of pencil Physical, reversible 2. Evaporation of water Physical, irreversible 3. Opening of a bud Chemical irreversible 4. Rusting of iron Chemical reversible Which of the changes is/are classified correctly? |
| A. | 2 and 3 only |
| B. | 3 and 4 only |
| C. | 1 and 4 only |
| D. | 3 only |
| Answer» E. | |
| 1841. |
Study the given Venn diagram. Identify points 1, 2 and 3. |
| A. | 123Melting of iceBoiling of riceBurning of a candle |
| B. | 123Burning of paperRusting of ironCulting of fruits |
| C. | 123Breaking of a glassBanking a cakeBurning of LPG in kitchen |
| D. | 123Tearing of paperEvaporation of waterMaking lemonade |
| Answer» D. 123Tearing of paperEvaporation of waterMaking lemonade | |
| 1842. |
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 items using codes given below Assertion A: The process of conversion of liquid water to its vapours by heating the liquid is called boiling. Reason R: The process of conversion of water vapours to liquid by cooling the vapours is called condensation. |
| 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. | |
| 1843. |
When a person is caught with fire, he or she is wrapped in a thick blanket so as to |
| A. | cut off the oxygen supply. |
| B. | cut off the nitrogen supply. |
| C. | keep the body cool. |
| D. | cut off the inert gases supply. |
| Answer» B. cut off the nitrogen supply. | |
| 1844. |
The bone which protects the brain. |
| A. | Cranium |
| B. | Cerebrum |
| C. | Cerebellum |
| D. | Clavicle |
| E. | None of these |
| Answer» B. Cerebrum | |
| 1845. |
Goitre is common in hilly areas because |
| A. | soil of hilly areas is poor in iodine content |
| B. | drinking water as well as food grown in these areas are deficient in iodine |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» D. None of these | |
| 1846. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 2 Sheetal once preparing evening tea. In the mean while telephone bellrangs and she rushed upto attend telephone call. She got busy on phone and sudden heard a sound from kitchen. When she enter back in kitchen. She saw that tea water was boiling with steal over it and cover of tea container is flew a side with water droplets over it. Why cover of tea kettle flew away? |
| A. | Not properly tight |
| B. | Tea is explosive in nature |
| C. | Pressure of steam |
| D. | None of these |
| Answer» D. None of these | |
| 1847. |
Which of the following is a natural, non-periodic change? |
| A. | The heart beat of a human being |
| B. | The low and high tides |
| C. | The eruption of volcanoes |
| D. | The sunrise and sunset |
| Answer» D. The sunrise and sunset | |
| 1848. |
Human vertebral column is divided how many segments? |
| A. | Three |
| B. | Five |
| C. | Four |
| D. | six |
| E. | None of these |
| Answer» C. Four | |
| 1849. |
The elbow joint |
| A. | is a hinge joint |
| B. | allows only a back and forth movement |
| C. | allows movement in one direction only |
| D. | All of the above |
| Answer» E. | |
| 1850. |
The vitamin containing cobalt is |
| A. | \[{{\text{B}}_{\text{1}}}\] |
| B. | \[{{\text{B}}_{2}}\] |
| C. | \[{{\text{B}}_{6}}\] |
| D. | \[{{\text{B}}_{12}}\] |
| Answer» E. | |