General Knowledge in Life Science

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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