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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.
| 1001. |
Observe some of these items given below. Which of these items cannot be recycled? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» C. R | |
| 1002. |
In a campaign to save the environment, the following habits are encouraged. Reduce the use of paper Recycle newspaper Reuse paper bags What is the aim of the campaign? |
| A. | To conserve petrol. |
| B. | To use more plastic. |
| C. | To save the forest. |
| D. | To avoid water pollution. |
| Answer» D. To avoid water pollution. | |
| 1003. |
Why should the inorganic garbage be not burnt? |
| A. | It pollutes the environment |
| B. | Soil becomes warm and dry |
| C. | Decomposers in the soil get destroyed |
| D. | Water in the soil get dried up |
| Answer» B. Soil becomes warm and dry | |
| 1004. |
Read the information about a substance 'P' given below. P Can be recycled Bio-degradable Non-toxic and useful Which of the following substance is 'P? |
| A. | Paper |
| B. | Glass bottle |
| C. | Metal can |
| D. | Plastic bottle |
| Answer» B. Glass bottle | |
| 1005. |
Why is it difficult or impossible to degrade non-biodegradable wastes? |
| A. | Because non-biodegradable wastes can be recycled. |
| B. | Because microorganisms cannot decompose it. |
| C. | Because it is a solid waste. |
| D. | All of the above. |
| Answer» C. Because it is a solid waste. | |
| 1006. |
Given below is the information about waste management. Which of the following is/are the results of waste management? (i) Reduction of air, water and land pollution. (ii) Conservation of natural resources (iii) Increase of air, water and land pollution. |
| A. | (i) and (ii) only |
| B. | (i) and (iii) only |
| C. | (ii) and (iii) only |
| D. | (i), (ii) and (iii) |
| Answer» B. (i) and (iii) only | |
| 1007. |
Observe the given figures. Which of the following will rot first? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» E. | |
| 1008. |
Indiscriminate disposal of plastic wastes can cause environmental pollution. Which of the following statements is/are true? |
| A. | Plastics are made by chemicals. |
| B. | Plastics are non-biodegradable. |
| C. | Plastics produce toxic gases when burnt. |
| D. | All of these |
| Answer» E. | |
| 1009. |
What happens when waste materials is/ are NOT properly disposed of? |
| A. | Pollution of water sources such as rivers and ponds. |
| B. | Pollution of soil. |
| C. | Breeding of disease - carrying vectors. |
| D. | All of these |
| Answer» E. | |
| 1010. |
Which of the following is/are NOT an disadvantage of waste decay? |
| A. | Decaying wastes give out poisonous gases. |
| B. | Decaying wastes give out an unpleasant smell. |
| C. | Biodegradable wastes are used to make compost. This make the soil fertile and help plants to grow strong and healthy. |
| D. | All of these. |
| Answer» D. All of these. | |
| 1011. |
Which of the following materials can be recycled? |
| A. | Papers such as old newspapers, magazines and boxes. |
| B. | Metals such as tin and aluminium used a food cans. |
| C. | Food scraps such as chicken and fish bones. |
| D. | Both (a) and (b) |
| Answer» E. | |
| 1012. |
Which of the following takes the least time to decompose? |
| A. | Pen |
| B. | Book |
| C. | Grapes |
| D. | Rain coat |
| Answer» D. Rain coat | |
| 1013. |
Observe and identify the figure given below. |
| A. | bio-degradable waste |
| B. | danger |
| C. | decomposting |
| D. | recycled and reused |
| Answer» E. | |
| 1014. |
Which of the following terms is used for rotting and conversion of some materials into manure by using redworms? |
| A. | Manuring |
| B. | Vermicomposting |
| C. | Garbage |
| D. | Landfill |
| Answer» C. Garbage | |
| 1015. |
Which of these articles can be recycled and used again? |
| A. | Newspaper |
| B. | Plastic bags |
| C. | Banana peel |
| D. | Both (a) and (b) |
| Answer» E. | |
| 1016. |
After a science lesson on 'Man and his environment' a group of pupils grouped as P, Q, R and S made the following statements about recycling. P - Recycling reduces pollution Q - Recycling makes the environment unfit of living things R - Recycling helps to conserve energy S - Recycling results in wastage of natural resources Who has made the correct statement? |
| A. | P and Q |
| B. | P and R |
| C. | Q and S |
| D. | Q and R |
| Answer» C. Q and S | |
| 1017. |
Which of the following 3R's are useful to save the environment? |
| A. | Revise, Reuse, Redeem. |
| B. | Reduce, Reuse, Recycle. |
| C. | Reduce, Resell, Redeem. |
| D. | Revise, Resell, Reuse. |
| Answer» C. Reduce, Resell, Redeem. | |
| 1018. |
Why is it desirable to use a jute bag for shopping? |
| A. | Jute is biodegradable. |
| B. | Jute bags are stronger. |
| C. | Jute is natural. |
| D. | All of these. |
| Answer» E. | |
| 1019. |
Landfills are most commonly used method of soil waste disposal. Which is the best place for landfill in a city? |
| A. | Near a school. |
| B. | Outside the city. |
| C. | Near a hospital. |
| D. | Near a park. |
| Answer» C. Near a hospital. | |
| 1020. |
Which of the following products will rot fastest when buried in soil? |
| A. | Vegetable wastes |
| B. | Plastic bottle |
| C. | Glass jar |
| D. | Eraser |
| Answer» B. Plastic bottle | |
| 1021. |
How can dried leaves and rotten vegetables be useful? |
| A. | By converting them to compost. |
| B. | By treating them with acids. |
| C. | By recycling. |
| D. | By burning. |
| Answer» B. By treating them with acids. | |
| 1022. |
A material X is biodegradable, can be recycled and is non toxic and very useful. What is 'X' ? |
| A. | Glass bottle |
| B. | Plastic bottle |
| C. | Metal can |
| D. | Paper |
| Answer» E. | |
| 1023. |
Which of these is non-biodegradable? |
| A. | Newspaper |
| B. | Orange peel |
| C. | Egg shell |
| D. | Coketin |
| Answer» E. | |
| 1024. |
In which of these places bio-degradable waste is dumped and converted to organic manure? |
| A. | Rivers |
| B. | Ponds |
| C. | Lakes |
| D. | Pits |
| Answer» E. | |
| 1025. |
The rotting and conversion of some materials into manure is called |
| A. | recycling. |
| B. | composting. |
| C. | garbage. |
| D. | land fill. |
| Answer» C. garbage. | |
| 1026. |
Non-biodegradable waste like plastic and metals should be |
| A. | recycled. |
| B. | burnt. |
| C. | composted. |
| D. | dumped in land fills. |
| Answer» B. burnt. | |
| 1027. |
Which of the following processes can be done to reuse used materials? |
| A. | Production |
| B. | Reduction |
| C. | Recycle |
| D. | Composting |
| Answer» D. Composting | |
| 1028. |
The vermi compost is prepared by using |
| A. | red worms |
| B. | tapeworms |
| C. | roundworms |
| D. | flatworms |
| Answer» B. tapeworms | |
| 1029. |
Solid kitchen wastes can be |
| A. | composted. |
| B. | vermicomposted. |
| C. | dumped in pit. |
| D. | all of the above |
| Answer» E. | |
| 1030. |
Observe the given figures. Which of the following are biodegradable waste? |
| A. | P, Q, S |
| B. | Q, R, T |
| C. | P, Q, T |
| D. | P, Q, R, S, T |
| Answer» D. P, Q, R, S, T | |
| 1031. |
Why should we keep the vermi-composting waste layer moist and loose? |
| A. | To allow worms to move. |
| B. | To allow gases to release. |
| C. | NOT to allow sufficient air and moisture. |
| D. | NOT to decompose the garbage. |
| Answer» B. To allow gases to release. | |
| 1032. |
Which of these articles cannot be recycled and used again? |
| A. | Newspaper |
| B. | Banana peel |
| C. | Raincoat |
| D. | Plastic bags |
| Answer» C. Raincoat | |
| 1033. |
Which of the following get completely decompose? |
| A. | Left over food |
| B. | Broken glass |
| C. | Aluminium wrapper |
| D. | Polythene bags |
| Answer» B. Broken glass | |
| 1034. |
Which of these includes culturing of earthworms and redworms? |
| A. | Pediculture |
| B. | Vermicomposting |
| C. | Sericulture |
| D. | Pisciculture |
| Answer» C. Sericulture | |
| 1035. |
Magnets lose their properties significantly if |
| A. | Left in the open |
| B. | Touched with iron |
| C. | Dropped from a height repeatedly |
| D. | None of these |
| Answer» D. None of these | |
| 1036. |
Which of the following are magnetic materials? (i) Steel (ii) Nickel (iii) Aluminium |
| A. | Only (i) and (ii) |
| B. | Only (ii) and (iii) |
| C. | Only (i) and (iii) |
| D. | (i), (ii) and (iii) |
| Answer» B. Only (ii) and (iii) | |
| 1037. |
What is a natural magnet known as? |
| A. | Toroid |
| B. | Lodestone |
| C. | Haematite |
| D. | Solenoid |
| Answer» C. Haematite | |
| 1038. |
What will happen when three bar magnets are hung in the manner as shown below? |
| A. | Nothing will happen. |
| B. | Magnet Y will turn round and round. |
| C. | Magnet Y will move towards magnet Z |
| D. | Magnet Y will move towards magnet X. |
| Answer» E. | |
| 1039. |
Read the following table and answer the questions from. P Q R Magnets Magnetic substances Non-magnetic substances To which group does a ring made up of copper belong? |
| A. | P |
| B. | Q |
| C. | R |
| D. | Either Q or P |
| Answer» D. Either Q or P | |
| 1040. |
Ashwini magnetized a piece of iron rod using the stroking method as shown in the diagram below. Which part of the iron rod becomes the North-seeking pole? |
| A. | P |
| B. | Q |
| C. | R |
| D. | S |
| Answer» C. R | |
| 1041. |
Which of the following shapes of a magnet are possible? |
| A. | Only P and Q |
| B. | Only Q and R |
| C. | Only R and P |
| D. | P, Q and R |
| Answer» E. | |
| 1042. |
Read the following table and answer the questions from. P Q R Magnets Magnetic substances Non-magnetic substances An object is repelled by a magnet. To which group does it belong? |
| A. | P |
| B. | Q |
| C. | R |
| D. | Q and R |
| Answer» B. Q | |
| 1043. |
Vishnu brings a magnet near 3 pins made up of different materials. Pins Y and Z get attracted whereas pin X remains in its places as shown below. What materials are pins X 'Y' and T made up of? |
| A. | Pin X Pin Y Pin Z Copper Iron Steel |
| B. | Pin X Pin Y Pin Z Steel Nickel Aluminium |
| C. | Pin X Pin Y Pin Z Copper Brass Cobalt |
| D. | Pin X Pin Y Pin Z Iron Copper Brass |
| Answer» B. Pin X Pin Y Pin Z Steel Nickel Aluminium | |
| 1044. |
Satish magnetized a piece of iron marked W, X/Y and Z using the stroking method as shown in the figure. Which of these parts of the iron piece will become the north-seeking pole? |
| A. | W |
| B. | X |
| C. | Y |
| D. | Z |
| Answer» B. X | |
| 1045. |
Ganeshan set up an experiment using two bar magnets one of which is marked N (North pole) and S (South pole) as shown in the figure. He noticed that the upper magnet is suspended in air. Identify X and Y poles of the upper magnet. |
| A. | X is the North Pole, Y is the South Pole. |
| B. | X is the South Pole, Y is the North Pole. |
| C. | Both X and Y are north poles. |
| D. | Both X and Y are south poles. |
| Answer» B. X is the South Pole, Y is the North Pole. | |
| 1046. |
Which of the following figures does NOT show the poles correctly? |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» D. | |
| 1047. |
A weak magnet Y is placed near a strong magnet X as shown in the figure. How will the magnets move? |
| A. | Y will move away. |
| B. | X will turn in clockwise direction. |
| C. | Y will turn in anti-clockwise direction. |
| D. | Both X and Y will turn clockwise. |
| Answer» D. Both X and Y will turn clockwise. | |
| 1048. |
A magnet in the form of a cube is placed on a piece of cork that floats on water. The cube is marked with four directions. W, X, Y and Z and the compass needle which points in the direction as shown in the figure. Which of the following denotes the N - pole and S - pole of the magnet? |
| A. | N-pole S-pole W X |
| B. | N-pole S-pole X Y |
| C. | N-pole S-pole Y Z |
| D. | N-pole S-pole Z W |
| Answer» D. N-pole S-pole Z W | |
| 1049. |
Which of the following objects do NOT make use of a magnet? |
| A. | |
| B. | |
| C. | |
| D. | |
| Answer» E. | |
| 1050. |
Which of the following objects is/are magnetic? |
| A. | A nickel coin |
| B. | A brass screw |
| C. | An iron nail |
| D. | Both (A) and (C) |
| Answer» E. | |