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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.
| 1601. |
Why is copper NOT used as a filament? |
| A. | It produces white light. |
| B. | It has a high melting point. |
| C. | It is a good conductor of current. |
| D. | It produces heat. |
| Answer» D. It produces heat. | |
| 1602. |
Which of the following is the symbol of an electric bulb? |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» C. | |
| 1603. |
A cell, a conducting wire and a bulb are used for constructing a simple electric circuit. What are they called? |
| A. | Consumers |
| B. | Connectors |
| C. | Components |
| D. | Sources |
| Answer» D. Sources | |
| 1604. |
Which of the following cannot be used in electrical wires? |
| A. | Copper |
| B. | Silver |
| C. | Aluminium |
| D. | Iron |
| Answer» E. | |
| 1605. |
Identify the circuit diagram in which the bulb does NOT light up. |
| A. | Only P and Q |
| B. | Only Q and R |
| C. | Only R and P |
| D. | P, Q and R |
| Answer» C. Only R and P | |
| 1606. |
In which of these circuits will the bulb or bulbs glow the brightest? |
| A. | A simple circuit with one bulb and one cell |
| B. | A simple circuit with one bulb and two cells |
| C. | A simple circuit with two bulbs and one cell |
| D. | A simple circuit with two bulbs and two cells |
| Answer» C. A simple circuit with two bulbs and one cell | |
| 1607. |
Which of the following statements is incorrect7 |
| A. | A dry cell produces a small amount of electrical energy. |
| B. | A dry cell is used in TV remotes. |
| C. | All dry cells are rechargeable. |
| D. | The symbol of a dry cell is |
| Answer» D. The symbol of a dry cell is | |
| 1608. |
Why is it unsafe to switch on a bulb with wet hands? |
| A. | It can give a shock. |
| B. | The bulb gets fused. |
| C. | The switch blows off. |
| D. | The wires are disconnected. |
| Answer» B. The bulb gets fused. | |
| 1609. |
What happens to a circuit when the switch is in the OFF position? |
| A. | The circuit is complete. |
| B. | There is a gap in the circuit. |
| C. | Electricity flows continuously. |
| D. | Electricity flows intermittently. |
| Answer» C. Electricity flows continuously. | |
| 1610. |
Nidhi connected two bulbs across two cells in a simple circuit. What should Nidhi do to make the bulbs glow dimmer? |
| A. | Replace one cell with a piece of chalk |
| B. | Replace one cell with a piece of wire |
| C. | Replace one bulb with a piece of wire |
| D. | Replace one bulb with another cell |
| Answer» C. Replace one bulb with a piece of wire | |
| 1611. |
In a circuit with one bulb, another bulb is added in series. What happens to the bulbs when current is passed? |
| A. | They do not glow. |
| B. | They glow less brightly. |
| C. | They glow more brightly. |
| D. | They get fused. |
| Answer» C. They glow more brightly. | |
| 1612. |
If we touch a live wire carrying current, we get a shock. This is because our body is a/an |
| A. | conductor of electricity. |
| B. | insulator of electricity. |
| C. | source of electricity. |
| D. | both (b) and (c). |
| Answer» B. insulator of electricity. | |
| 1613. |
It why is tungsten used as a filament in electric bulbs? |
| A. | It is non-luminous. |
| B. | It is a soft metal. |
| C. | It has a high melting point. |
| D. | It has a low melting point. |
| Answer» D. It has a low melting point. | |
| 1614. |
The change of bud to flower is a/an |
| A. | physical change |
| B. | reversible change |
| C. | irreversible change |
| D. | None of these |
| Answer» D. None of these | |
| 1615. |
In a physical change, which of the following takes place? (i) No new substance is formed. (ii) The change is reversible. (iii) The change is temporary |
| A. | Only (i) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» E. | |
| 1616. |
Which of the following processes need oxygen? |
| A. | Combustion |
| B. | Respiration |
| C. | Oxidation |
| D. | All of the above |
| Answer» E. | |
| 1617. |
Which of the following features belong to fats? |
| A. | They insulate our body against loss of heat |
| B. | They are the sources of energy in diet |
| C. | They are the sources of fatty acids in diet |
| D. | All of the above |
| Answer» E. | |
| 1618. |
A periodic change is a change |
| A. | that get repeated many a times in our life |
| B. | that get repeated after a certain definite interval |
| C. | that never get repeated |
| D. | All the above |
| Answer» C. that never get repeated | |
| 1619. |
DIRECTIOS: Read the following three statements carefully and choose the correct option. (i) Turning off of a bulb is a irreversible change (ii) When the leaves of the touch-me-not plant is touched, they close. This is an reversible change. (iii) Ripening of fruits is a reversible change as we can get unriped fruit from riped one. |
| A. | Statements (i) and (iii) are in correct but (ii) is correct. |
| B. | Statements (i) and (ii) are in correct but (iii) is correct. |
| C. | All three statements are correct. |
| D. | All three statements are in correct. |
| Answer» B. Statements (i) and (ii) are in correct but (iii) is correct. | |
| 1620. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the column. Column - I Column - II A. Ball and socket joint (p) Between upper jaw and head B. Pivotal joint (q) Neck and head C. Hinge joint (r) Allows movement in one plane only D. Fixed joint (s) The rounded end of one bone fits into cavity of other bone |
| A. | \[A\to (s);B\to (r);C\to (q);D\to (p)\] |
| B. | \[A\to (r);B\to (s);C\to (q);D\to (p)\] |
| C. | \[A\to (s);B\to (q);C\to (r);D\to (p)\] |
| D. | \[A\to (s);B\to (q);C\to (p);D\to (r)\] |
| Answer» D. \[A\to (s);B\to (q);C\to (p);D\to (r)\] | |
| 1621. |
Which gas protects us from ultraviolet rays of the sun? |
| A. | Oxygen |
| B. | Carbon dioxide |
| C. | Ozone |
| D. | Nitrogen |
| Answer» D. Nitrogen | |
| 1622. |
Roshan wants to build his muscles and thus joined a gymnasium for it. What changes should Roshan make in his diet to build strong muscles? |
| A. | Eat more carbohydrates rich food. |
| B. | Eat more vitamin rich food. |
| C. | Eat more protein rich food. |
| D. | Eat more fat rich food. |
| Answer» D. Eat more fat rich food. | |
| 1623. |
When you burn petrol, flames appear. What type of a reaction is this? |
| A. | An endothermic reaction |
| B. | An exothermic reaction |
| C. | A physical change |
| D. | A reversible reaction |
| Answer» C. A physical change | |
| 1624. |
Match the following pairs and choose the correct answer. Column-I Column-II (i) Spinach (a) Roughage (ii) Milk (b) iodine (iii) Salt (c) Iron (iv) Whole grain (d) Calcium |
| A. | \[\left( i \right)-d,\left( ii \right)-a,\left( iii \right)-c,\left( iv \right)-d\] |
| B. | \[\left( i \right)-d,\left( ii \right)-c,\left( iii \right)-a,\left( iv \right)-b\] |
| C. | \[\left( i \right)-c,\left( ii \right)-a,\left( iii \right)-d,\left( iv \right)-b\] |
| D. | \[\left( i \right)-c,\left( ii \right)-d,\left( iii \right)-b,\left( iv \right)-a\] |
| Answer» E. | |
| 1625. |
Shoulder joint is a ball and socket type of joint is a joint in which the rounded end of one bone fits into cavity of other bone allows movement in all directions exists between limbs and hip |
| A. | (i),(ii)only |
| B. | (i), (iii) only |
| C. | (i), (ii), (iii) only |
| D. | All of these |
| Answer» E. | |
| 1626. |
Select the one that is not a chemical change. |
| A. | dissolution of ammonia in water |
| B. | dissolution of carbon dioxide in water |
| C. | dissolution of oxygen in water |
| D. | None of these |
| Answer» D. None of these | |
| 1627. |
Which one of the following minerals is needed for the proper functioning of thyroid gland? |
| A. | Iron |
| B. | Iodine |
| C. | Calcium |
| D. | Phosphorus |
| Answer» C. Calcium | |
| 1628. |
DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 1 Until eighteenth century, people thought that air was just one substance. Now it has been experiment all proved that it is really not so. Air is a mixture of gases. Air |
| A. | contains gases and solids |
| B. | contains gases and liquids |
| C. | contains no solid or liquid |
| D. | All of the above |
| Answer» B. contains gases and liquids | |
| 1629. |
Wind mills produce energy and convert it into |
| A. | heat energy. |
| B. | light energy. |
| C. | sound energy. |
| D. | electrical energy. |
| Answer» E. | |
| 1630. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 4 Mohan was boiling water in a pan for making tea. His brother Ram came there and observed that during boiling of water some bubbles are formed. He told his brother Mohan that boiling of water is a chemical change as gas is evolved in this process. But Mohan argued that this is not a chemical change. Do you agree with Mohan? What kind of change is this? |
| A. | Yes, physical change |
| B. | No, chemical change |
| C. | No, irreversible change |
| D. | No, Periodic change |
| Answer» B. No, chemical change | |
| 1631. |
DIRECTIONS: Match Column-I with column ?II and select the correct answer using the codes given below the column. Column-I Column-II A. Crushing of an ice cube (p) periodic change B. Making of curd (q) Slow change C. Germination of seed into plant (r) Physical change D. Formation of day and night (s) Chemical change |
| A. | \[A\to (s),B\to (r),C\to (q),D\to (p)\] |
| B. | \[A\to (r),B\to (s),C\to (q),D\to (p)\] |
| C. | \[A\to (s),B\to (r),C\to (p),D\to (q)\] |
| D. | \[A\to (r),B\to (p),C\to (q),D\to (s)\] |
| Answer» C. \[A\to (s),B\to (r),C\to (p),D\to (q)\] | |
| 1632. |
Ribs refers to |
| A. | chest bones |
| B. | backbone |
| C. | chest bones and backbone |
| D. | the bones that join the chest bone and back bone |
| Answer» E. | |
| 1633. |
Which of the following is a chemical change to a piece of paper? |
| A. | Colouring |
| B. | Burning |
| C. | Folding |
| D. | Tearing |
| Answer» C. Folding | |
| 1634. |
Which statement is correct. |
| A. | Our bones can move by themselves. |
| B. | Our muscles can move by themselves. |
| C. | Our blood enables us to move our bones. |
| D. | Our muscles along with other body systems enable us to move our bones. |
| Answer» E. | |
| 1635. |
Spinach is an excellent source of?????? |
| A. | calcium |
| B. | iron |
| C. | phosphorus |
| D. | iodine |
| Answer» C. phosphorus | |
| 1636. |
DIRECTIONS: Read the passage (s) given below and answer the questions that follow Passage - 5 Ravi and Tina were working on a project based on' changes around us?, for which they were observing different changes occurring in their daily life. They went to kitchen where they saw there mother was cooking food on LPG stove. Ravi said that burning of LPG in LPG stove involves chemical change. But Tina argued that both physical and chemical changes are involved this process. According to you what is the physical change involved as mentioned by Tina? |
| A. | Burning of LPG gas |
| B. | Conversion of liquid form of LPG into gaseous form. |
| C. | Cooking of food |
| D. | There is no physical change |
| Answer» C. Cooking of food | |
| 1637. |
If you take water in a glass tumbler and put some ice in it, you will observe some water dropletson the outer surface of tumbler. This shows that |
| A. | air occupies space |
| B. | air contains dust particles |
| C. | water vapours are present in air |
| D. | air has mass |
| Answer» D. air has mass | |
| 1638. |
DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 2 For growth and maintenance of good health, our diets would have all the nutrients that our body needs, in right quantities. The diet should also contain good amount of roughage and water. Such a diet is called balanced diet. Which of the following gets easily destroyed by heat during cooking? |
| A. | Vitamin A |
| B. | Vitamin B |
| C. | Vitamin C |
| D. | Vitamin D |
| Answer» D. Vitamin D | |
| 1639. |
The _____ in earthworms help to get a good grip on the ground. |
| A. | muscular foot |
| B. | legs |
| C. | rings |
| D. | bristles |
| Answer» E. | |
| 1640. |
Which is an example of chemical change? |
| A. | Water freezes |
| B. | Wood is cut |
| C. | Bread is baked |
| D. | Wire is bent |
| Answer» D. Wire is bent | |
| 1641. |
Which of the following vitamins and their deficiency disease is NOT correctly paired? |
| A. | Vitamin A \[\to \] Night blindness |
| B. | Vitamin \[{{B}_{1}}\] \[\to \] Scurvy |
| C. | Vitamin \[{{B}_{12}}\] \[\to \] Anaemia |
| D. | Vitamin D \[\to \] Rickets |
| Answer» C. Vitamin \[{{B}_{12}}\] \[\to \] Anaemia | |
| 1642. |
Which of these provide energy? |
| A. | Orange |
| B. | Guava |
| C. | Bread |
| D. | None of these |
| Answer» D. None of these | |
| 1643. |
White of an egg turns violet when two drops of copper sulphate and ten drops of caustic soda are added to it. This indicates the presence of which of the following components of food? |
| A. | Starch |
| B. | Proteins |
| C. | Fats |
| D. | Vitamins |
| Answer» C. Fats | |
| 1644. |
Which nutrient can be identified by using copper sulphate and caustic soda? |
| A. | Carbohydrates |
| B. | Proteins |
| C. | Fats |
| D. | Vitamins |
| Answer» C. Fats | |
| 1645. |
The rib cage protects which of the following body parts? |
| A. | Lungs |
| B. | Windpipe |
| C. | Heart |
| D. | All of these |
| Answer» E. | |
| 1646. |
Which of the choices can best fill in the boxes I and II given below? |
| A. | l-carbon dioxide, II-oxygen |
| B. | l-oxygen, II-respiration |
| C. | l-respiration, II-carbon dioxide |
| D. | l-respiration, II-oxygen |
| Answer» D. l-respiration, II-oxygen | |
| 1647. |
DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column-I Column-II A. Nitrogen (p) Produced when fuel is burnt B. Oxygen (q) Supporter of combustion C. Carbon dioxide (r) Not a supporter of combustion D. Smoke (s) Colourless, odourless gas that may cause suffocation |
| 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. | \[A\to (r);B\to (q);C\to (s);D\to (p)\] |
| D. | \[A\to (s);B\to (q);C\to (p);D\to (r)\] |
| Answer» C. \[A\to (r);B\to (q);C\to (s);D\to (p)\] | |
| 1648. |
Which is an example of a physical change? |
| A. | Metal rusting |
| B. | Silver tarnishing |
| C. | Water boiling |
| D. | Paper burning |
| Answer» D. Paper burning | |
| 1649. |
In the given figure, a boy is kicking a football. What type of change is this? |
| A. | Exothermic |
| B. | Endothermic |
| C. | Physical |
| D. | Chemical |
| Answer» D. Chemical | |
| 1650. |
Which of the following nutrient if taken in excess can cause clogging of arteries? |
| A. | Proteins |
| B. | Fats |
| C. | Vitamins |
| D. | Roughage |
| Answer» C. Vitamins | |