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Biology – General – LS

Biology – Set 1

Dear ! This is Biology – Set 1  Quiz and it contains 100 questions.

Happy Learning!

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1. Antigens ‘A’ and ‘B’ are absent in persons belong to blood group

 

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2. Night blindness is cause by lack of which vitamin?

 

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3. Pollen grains in plants are produced in

 

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4. Plants are killed in winter by frost

 

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5. Poison glands of snakes are homologous to

 

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6. Plants hormone that induces cell division is

 

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7. Pyorrhoea is a disease of the

 

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8. Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?

 

9 / 100

9. Primary phloem develops from

 

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10. Most of the red, blue and purple colours of plants are due to a pigment called

 

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11. Plant bends towards the source of light on account of the movement of curvature known as

 

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12. Norepinephrine increases

 

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13. Myopia is connected with

 

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14. Monocot root differs from dicot root in having

 

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15. Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to

 

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16. Potato is a modified form (outgrowth) of:

 

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17. Ptyalin is an enzyme produced in the

 

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18. Which statement about capillaries is correct?

 

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19. Plant have ____ while animals lack it.

 

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20. Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes

 

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21. Plant development is influenced by

 

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22. The normal blood pressure in human beings is

 

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23. Radish is a

 

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24. Our skin, when exposed to excess sunlight, becomes dark. This is because of our skin pigments called

 

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25. Photosynthesis takes place faster in

 

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26. Biotic component of the environment does not include-

 

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27. Plants absorb dissolved nitrates from soil and convert them into

 

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28. In human body lymphocytes are formed in

 

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29. O2 released in the process of photosynthesis comes from

 

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30. Reflex actions are controlled by :

 

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31. Normal adult human male has

 

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32. The grouping of blood is based on substances called

 

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33. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?

 

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34. Plants growing on sand are called as

 

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35. Plants that grow under average temperature and moisture are called:

 

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36. Fully mature human RBCs has

 

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37. Nymph is the name of young one of

 

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38. Ramapithecus and Cro-Magnon man are considered

 

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39. Mumps is a disease caused by

 

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40. Human heart is made up of

 

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41. Average life span of human R.B.C is

 

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42. Number of chromosomes in down’s syndrome is

 

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43. Out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

 

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44. Process of cell division can take place by

 

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45. N2 content is kept constant in the biosphere due to

 

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46. One of the following is not a function of bones.

   

47 / 100

47. Ozone hole refers to

 

48 / 100

48. Outer covering of virus made up of protein is

 

49 / 100

49. Main function of white blood corpuscles is

 

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50. Prothrombin which helps in clotting of blood is released by

 

51 / 100

51. Photosynthesis generally takes place in which parts of the plant?

 

52 / 100

52. Pollination by wind is called

 

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53. Organic Substances which, in very small amounts, control growth and development called

 

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54. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

 

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55. Plants that grow in saline water are called

 

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56. What is the average Life span of RBC?

 

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57. Ordinary table salt is sodium chloride. What is baking soda?

 

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58. Monotremes are unique mammals because they

 

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59. Life of red blood cells in the body is

 

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60. Movement of cell against concentration gradient is called

 

61 / 100

61. Plants receive their nutrients mainly from

 

62 / 100

62. Phloem is a tissue found in

 

63 / 100

63. On which of the following plants did Gregor Mendal perform his classical experiment?

 

64 / 100

64. Most abundant tissues of our body are

 

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65. Red colour of blood is due to presence of

 

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66. Radical vascular bundles are those in which

 

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67. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of

 

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68. Pollination is best defined as

 

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69. Pulses are a good source of

 

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70. Neurospora is used as genetic material because

 

71 / 100

71. Which of the following blood cells carry oxygen?

 

72 / 100

72. Photo-oxidation is

 

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73. Oxygen in our blood is transported by a protein named

 

74 / 100

74. Photosynthesis is a process

 

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75. Mutation is

 

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76. Out of 900 reported species of living gymnosperms, conifers are represented by about 500 species, About 2,50,000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe, Asia, North America and mountains such as Himalayas are wooded with

 

77 / 100

77. Which blood group is universal acceptor?

 

78 / 100

78. Prokaryotic cells lack

 

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79. The upper chambers of the heart are the

 

80 / 100

80. Other than spreading malaria, anopheles mosquitoes are also vectors of

 

81 / 100

81. Most highly intelligent mammals are

 

82 / 100

82. Which of the following blood group is universal donor?

 

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83. Which one of the following is not an insect:

 

84 / 100

84. Plants absorb most part of water needed by them through their

 

85 / 100

85. Red blood corpuscles is also known as

 

86 / 100

86. Pigmentation of skin is due to

 

87 / 100

87. Most fish do not sink in water because of the presence of: I. swim bladder II. air bladder III. air sacs IV. air in spongy bones

 

88 / 100

88. Our major foods, fibres, spices, fruits and beverage crops are

 

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89. Placenta is the structure formed

 

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90. Radioactivity is a phenomenon of the spontaneous emission of

 

91 / 100

91. One of the following is most suitable for study of mutations

 

92 / 100

92. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?

 

93 / 100

93. Plants developing in dry conditions are

 

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94. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor’s statement?

 

95 / 100

95. Purification of blood takes place in

 

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96. Plants wilt due to excess of

 

97 / 100

97. Plants synthesis protein from

 

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98. Rain water helps to increase the ____ to some extent.

 

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99. Blood group which have no antigen

 

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100. Movements due to light are shown by

 

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