Questions are a man’s best friend. There are different types of questions everywhere in this world. Each type of question has its own importance and they give various information to us. When you reach class 10, subjects such as science can be a bit difficult to handle in terms of their materials and topics.
In such cases, having the assistance of below mentioned questions for class 1 to 10, science can help you a lot in case students want to score some great marks in their examination.
1. Do you find that all living beings need the same kind of food?
2. Name five plants and their parts that we eat.
3. Match the items given in Column A with that in Column B
|Column A||Column B|
|Milk, curd, paneer, ghee||eat other animals|
|Spinach, cauliflower, carrot||eat plants and plant products|
|Lions and tigers||are vegetables|
|Herbivores||are all animal products|
4. Fill up the blanks with the words given: herbivore, plant, milk, sugarcane, carnivore
- Tiger is a ____________________ because it eats only meat.
- Deer eats only plant products and so, is called ______________.
- Parrot eats only _________________ products.
- The ________________ that we drink, which comes from cows, buffaloes and goats is an animal product.
- We get sugar from ___________________.
5. Does everyone around you get enough food to eat? If not, why?
6. What are the ways we can think of to avoid wastage of food?
7. Name the major nutrients in our food.
8. Name the following:
- The nutrients which mainly give energy to our body.
- The nutrients that are needed for the growth and maintenance of our body.
- A vitamin required for maintaining good eyesight.
- A mineral that is required for keeping our bones healthy.
9. Name two foods each rich in:
- Dietary fibre
10. Tick (√) the statements that are correct.
- By eating rice alone, we can fulfill nutritional requirement of our body. ( )
- Deficiency diseases can be prevented by eating a balanced diet. ( )
- Balanced diet for the body should contain a variety of food items. ( )
- Meat alone is sufficient to provide all nutrients to the body. ( )
11. Fill in the blanks.
- ______________ is caused by deficiency of Vitamin D.
- Deficiency of ______________ causes a disease known as beri-beri.
- Deficiency of Vitamin C causes a disease known as ______________.
- Night blindness is caused due to deficiency of ____________ in our food.
12. Classify the following fibres as natural or synthetic: nylon, wool, cotton, silk, polyester, jute
13. State whether the following statements are true or false:
- Yarn is made from fibres.
- Spinning is a process of making fibres.
- Jute is the outer covering of coconut.
- The process of removing seed from cotton is called ginning.
- Weaving of yarn makes a piece of fabric.
- Silk fibre is obtained from the stem of a plant.
- Polyester is a natural fibre.
14. Fill in the blanks:
- Plant fibres are obtained from_________ and ________ .
- Animals fibres are __________ and ___________ .
15. From which parts of the plant cotton and jute are obtained?
16. Name two items that are made from coconut fibre.
17. Explain the process of making yarn from fibre.
18. Name five objects which can be made from wood.
19. Select those objects from the following which shine: Glass bowl, plastic toy, steel spoon, cotton shirt
20. Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.
21. State whether the statements given below are True or False.
- Stone is transparent, while glass is opaque.
- A notebook has lustre while eraser does not.
- Chalk dissolves in water.
- A piece of wood floats on water.
- Sugar does not dissolve in water.
- Oil mixes with water.
- Sand settles down in water.
- Vinegar dissolves in water.
22. Given below are the names of some objects and materials: Water, basket ball, orange, sugar, globe, apple and earthen pitcher. Group them as:
- Round shaped and other shapes
- Eatables and non eatables
23. List all items known to you that float on water. Check and see if they will float on an oil or kerosene.
24. Find the odd one out from the following:
- Chair, Bed, Table, Baby, Cupboard
- Rose, Jasmine, Boat, Marigold, Lotus
- Aluminium, Iron, Copper, Silver, Sand
- Sugar, Salt, Sand, Copper sulphate
25. Why do we need to separate different components of a mixture? Give two examples.
26. What is winnowing? Where is it used?
27. How will you separate husk or dirt particles from a given sample of pulses before cooking.
28. What is sieving? Where is it used?
29. How will you separate sand and water from their mixture?
30. Is it possible to separate sugar mixed with wheat flour? If yes, how will you do it?
31. How would you obtain clear water from a sample of muddy water?
32. Fill up the blanks
- The method of separating seeds of paddy from its stalks is called ___________.
- When milk, cooled after boiling, is poured onto a piece of cloth the cream (malai) is left behind on it. This process of separating cream from milk is an example of ___________.
- Salt is obtained from seawater by the process of ___________.
- Impurities settled at the bottom when muddy water was kept overnight in a bucket. The clear water was then poured off from the top. The process of separation used in this example is called ___________.
33. True or false?
(a) A mixture of milk and water can be separated by filtration.
(b) A mixture of powdered salt and sugar can be separated by the process of winnowing.
(c) Separation of sugar from tea can be done with filtration.
(d) Grain and husk can be separated with the process of decantation.
34. Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
35. To walk through a waterlogged area, you usually shorten the length of your dress by folding it. Can this change be reversed?
36. You accidentally dropped your favourite toy and broke it. This is a change you did not want. Can this change be reversed?
37. Some changes are listed in the following table. For each change, write whether the change can be reversed or not.
- The sawing of a piece of wood
- The melting of ice candy
- Dissolving sugar in water
- The cooking of food
- The ripening of a mango
- Souring of milk
38. Give examples to explain the difference between changes that can or cannot be reversed.
39. A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed?
40. A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?
41. Correct the following statements and rewrite them in your notebook.
- Stem absorbs water and minerals from the soil.
- Leaves hold the plant upright.
- Roots conduct water to the leaves.
- The number of petals and sepals in a flower is always equal.
- If the sepals of a flower are joined together, its petals are also joined together.
- If the petals of a flower are joined together, then the pistil is joined to the petal.
42. Can you find a plant in your house or in your neighborhood, which has a long but a weak stem? Write its name. In which category would you classify it?
43. What is the function of a stem in a plant?
44. Which of the following leaves have reticulate venation? Wheat, tulsi, maize, grass, coriander (dhania), China rose
45. If a plant has fibrous root, what type of venation do its leaves likely to have?
46. If a plant has leaves with reticulate venation, what kind of roots will it have?
47. Is it possible for you to recognize the leaves without seeing them? How?
48. Write the names of the parts of a flower.
49. Which of the following plants have you seen? of those that you have seen, which one have flowers?
Grass, maize, wheat, chilli, tomato, tulsi, pipal, shisham, banyan, mango, jamun, guava, pomegranate, papaya, banana, lemon, sugarcane, potato, groundnut.
50. Name the part of the plant which produces its food. Name this process.
51. In which part of a flower, you are likely to find the ovary?
52. Name two flowers, each with joined and separated sepals.
53. Fill in the blanks:
- Joints of the bones help in the ——————— of the body.
- A combination of bones and cartilages forms the _______ of the body.
- The bones at the elbow are joined by a ______________________ joint.
- The contraction of the _____________ pulls the bones during movement.
54. Indicate true (T) and false (F) among the following sentences.
- The movement and locomotion of all animals is exactly the same. ( )
- The cartilages are harder than bones. ( )
- The finger bones do not have joints. ( )
- The fore arm has two bones. ( )
- Cockroaches have an outer skeleton. ( )
55. Match the items in Column I with one or more items of Column II.
|Column I Column II|
|Upper jaw||have fins on the body|
|Fish||has an outer skeleton|
|Ribs||can fly in the air|
|Snail||is an immovable joint|
|Cockroach||protect the heart|
|shows very slow movement|
|have a streamlined body|
56. Answer the following:
- What is a ball and socket joint?
- Which of the skull bones are movable?
- Why can our elbow not move backwards?
57. What is a habitat?
58. How are cactus adapted to survive in a desert?
59. Fill up the blanks
- The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called .
- The habitats of the plants and animals that live on land are called habitat.
- The habitats of plants and animals that live in water are called habitat.
- Soil, water and air are the ———— factors of a habitat.
- Changes in our surroundings that make us respond to them, are called .
60. Which of the things in the following list are nonliving? Plough, Mushroom, Sewing machine, Radio, Boat, Water hyacinth, Earthworm
61. Give an example of a non-living thing, which shows any two characteristics of living things.
62. Which of the non-living things listed below, were once part of a living thing?
Butter, Leather, Soil, Wool, Electric bulb, Cooking oil, Salt, Apple, Rubber
63. List the common characteristics of the living things.
64. Explain, why speed is important for survival in the grasslands for animals that live there. (Hint: There are few trees or places for animals to hide in grasslands habitats.)
65 Give two examples each, of modes of transport used on land, water and air.
66. Fill in the blanks:
- One metre is ______________ cm.
- Five kilometre is ______________ m.
- Motion of a child on a swing is ______________.
- Motion of the needle of a sewing machine is ______________.
- Motion of wheel of a bicycle is______________.
67. Why can a pace or a footstep not be used as a standard unit of length?
68. Arrange the following lengths in their increasing magnitude: 1 metre, 1 centimetre, 1 kilometre,1 millimetre.
69. The height of a person is 1.65 m. Express it into cm and mm.
70. The distance between Radha’s home and her school is 3250 m. Express this distance into km.
71. While measuring the length of a knitting needle, the reading of the scale at one end is 3.0 cm and at the other end is 33.1 cm. What is the length of the needle?
72. Write the similarities and differences between the motion of a bicycle and a ceiling fan that has been switched on.
73. Why could you not use an elastic measuring tape to measure distance? What would be some of the problems you would meet in telling someone about a distance you measured with an elastic tape?
74. Give two examples of periodic motion.
75. Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:
Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, firefly, moon.
76. Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
77. In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
78. Fill in the blanks :
- A device that is used to break an electric circuit is called _______________.
- An electric cell has _______________ terminals.
79. Mark ‘True’ or ‘False’ for following statements:
- Electric current can flow through metals.
- Instead of metal wires, a jute string can be used to make a circuit.
- Electric current can pass through a sheet of thermo Col.
80. What is the purpose of using an electric switch? Name some electrical gadgets that have switches
built into them.
81. Using the “conduction tester” on an object it was found that the bulb begins to glow. Is that object a conductor or an insulator? Explain.
82. Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.
83. The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
84. Fill in the blanks in the following
- Artificial magnets are made in different shapes such as __________, __________ and ____________.
- The Materials which are attracted towards a magnet are called________.
- Paper is not a ______ material.
- In olden days, sailors used to find direction by suspending a piece of ___________.
- A magnet always has __________ poles.
85. State whether the following statements are true or false
- A cylindrical magnet has only one pole.
- Artificial magnets were discovered in Greece.
- Similar poles of a magnet repel each other.
- Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
- Bar magnets always point towards North-South direction.
- A compass can be used to find East-West direction at any place.
- Rubber is a magnetic material.
86. It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.
87. Write any two properties of a magnet.
88. Where are poles of a bar magnet located?
89. A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole located?
90. You are given an iron strip. How will you make it into a magnet?
91. How is a compass used to find directions?
92. Fill up the blanks in the following:
- The process of changing of water into its vapour is called _________________.
- The process of changing water vapour into water is called _________________.
- No rainfall for a year or more may lead to _________________ in that region.
- Excessive rains may cause _________________.
93. State for each of the following whether it is due to evaporation or condensation:
- Water drops appear on the outer surface of a glass containing cold water.
- Steam rising from wet clothes while they are ironed.
- Fog appearing on a cold winter morning.
- Blackboard dries up after wiping it.
- Steam rising from a hot girdle when water is sprinkled on it.
94. Which of the following statements are “true” ?
- Water vapour is present in air only during the monsoon. ( )
- Water evaporates into air from oceans, rivers and lakes but not from the soil.( )
- The process of water changing into its vapour, is called evaporation.( )
- The evaporation of water takes place only in sunlight.( )
- Water vapour condenses to form tiny droplets of water in the upper layers of air where it is cooler.( )
95. Suppose you want to dry your school uniform quickly. Would spreading it near an anghiti or heater help? If yes, how?
96. Take out a cooled bottle of water from refrigerator and keep it on a table. After some time you notice a puddle of water around it. Why?
97. To clean their spectacles, people often breathe out on glasses to make them wet. Explain why the glasses become wet.
98. How are clouds formed?
99. When does a drought occur?
100. What is the composition of air?
101. Which gas in the atmosphere is essential for respiration?
102. How will you prove that air supports burning?
103. How will you show that air is dissolved in water?
104. Why does a lump of cotton wool shrink in water?
105. The layer of air around the earth is known as ___________.
106. The component of air used by green plants to make their food, is ___________.
107. List five activities that are possible due to the presence of air.
108. How do plants and animals help each other in the exchange of gases in the atmosphere?
109. Which kind of garbage is not converted into compost by the redworms?
110. Have you seen any other organism besides redworms, in your pit? If yes, try to find out their names. Draw pictures of these.
111. Discuss :
- Is garbage disposal the responsibility only of the government?
- Is it possible to reduce the problems relating to disposal of garbage?
112. What do you do with the left over food at home?
113. If you and your friends are given the choice of eating in a plastic plate or a banana leaf platter at a party, which one would you prefer and why?
114. Do you think it is better to use compost instead of chemical fertilisers? Why?