No. | Question | Answer |
1. | Name the parts which on removal or destruction may cause the death of plant | Roots |
2. | The cover of air around the earth is called | Atmosphere |
3. | Air occupies | Space & mass |
4. | Plants and animals maintain the balance of what in air | Gases |
5. | The supporter of combustion in air is | Oxygen |
6. | What forms the earth's atmosphere | Air |
7. | The major components of air are | Nitrogen & Oxygen |
8. | Water is one of the basic constituents of all | Living |
9. | The scientific name of Lotus is | Nelumbo |
10. | No two human beings are completely | Alike |
11. | The process of preparation of food by plants is called | Photosynthesis |
12. | All living objects consist of | Cells |
13. | The vegetables such as carrot,beet root and radish that you eat are | Roots
|
14. | Leaves are green because they have | Chlorophy II |
15. | Plants manufacture food by the process of | Photosynthesis |
16. | From the heart,the blood is transported to all the organs of the body by | Arteries |
17. | Which teeth are replaced by the permanent teeth | Milk teeth |
18. | The reproductive cell of male is called the | Sperm |
19. | The plants use which part of air for their food | Carbon dioxide |
20. | Water is one of the basic constituents of all | Plant |
21. | Water freezes into ice at | 0 degree C. |
22. | Water boils at | 80 degree C. |
23. | The torch cell is a source of which energy | Electrical |
24. | Which source of energy wind is? | Renewable |
25. | Which energy is released by a transistor | Sound |
26. | Energy is always required for doing | Work |
27. | Electrical energy is converted mainly into light energy in | Filament |
28. | The energy hidden in atoms is called | Atomic |
29. | Balance in nature is the balance between the population of | Species |
30. | A famous mathematician of ancient India is | Aryabhatta |
31. | A substance which can exist as solid,liquid and gas | Water |
32. | The power of an electric bulb is marked in | Watts |
33. | Water stored in a high-level dam has | Potential energy |
34. | The dry cell produces electric energy from | Chemical energy |
35. | The unit used for measuring distances between heavenly objects,is | Light Year |
36. | Musical instrument in which sound is produced by the vibration of air is | Flute |
37. | Carbohydrates are present in | Cane Sugar |
38. | The gas used for disinfecting water is | Chlorine |
39. | Sand is a compound of | Silicon |
40. | A mixture of salt and camphor can be separated by | Sublimation |
41. | A magnet can be used to seperate a mixture of | Iron scrap and sulphur |
42. | The chemical which is not used for purifying water is | Washing soda |
43. | A bird which is active during night is | Owl |
44. | Hydrilla is a plant that grows in | Water |
45. | A plant which stores food in the root is | Ginger |
46. | In most flowers the most colorful part is the | Petal |
47. | The temperature of the surroundings is detected by | The Skin |
48. | The number of kinds of living organisms on this earth is about | Two & half million |
49. | A species of animals means | A group of similar animals |
50. | There are some plants which do not have | Leaves |
51. | An animal without a special organ for hearing is | Snake |
52. | The sense organ in man which are sensitive to chemicals are | Skin & nose |
53. | The tallest tree in the world is | The redwood tree |
54. | Normally, a housefly lives for about | One year |
55. | In the human body urine is formed in | The kidneys |
56. | The pancreas in our body is a part of | The digestive system |
57. | The blood vessels that we can see just below the skin on the back of our palm are | Arteries & veins |
58. | The presence of starch in the leaf is shown by | Iodine |
59. | All the cells are similar in structure and function in | A tissue |
60. | The source of energy for all living things is | The sun |
61. | An animal which cannot take solid food is | Butterfly |
62. | Anaemia is usually caused by | Glucose |
63. | The simplest form of carbohydrate is | Aminoacid |
64. | The smallest unit of a protein is | 80-90 |
65. | The percentage of weight of water in our body is about | C |
66. | Scurvy is caused by lack of vitamin | Vitamins |
67. | Vegetables are included in our diet because mostly they supply | Vitamins |
68. | The most widely seen minerals in the bones are | Calcium and Phosphorus |
69. | Disgested food is mostly absorbed through the | Small intestine |
70. | The diet of a 2-year old baby should contain more | Protein |
71. | Tobacco plant makes nicotine in | The leaves |
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