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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. Red colour of blood is due to presence of

 

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2. Plants receive their nutrients mainly from

 

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

 

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4. Neurospora is used as genetic material because

 

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5. Which blood group is universal acceptor?

 

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6. Prokaryotic cells lack

 

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

 

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

 

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9. Plants hormone that induces cell division is

 

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10. Ptyalin is an enzyme produced in the

 

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11. In human body lymphocytes are formed in

 

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12. Plants developing in dry conditions are

 

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

 

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14. Photosynthesis is a process

 

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15. Biotic component of the environment does not include-

 

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16. Red blood corpuscles is also known as

 

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17. Photo-oxidation is

 

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18. Plants are killed in winter by frost

 

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19. Most highly intelligent mammals are

 

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20. Main function of white blood corpuscles is

 

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

 

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

 

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23. O2 released in the process of photosynthesis comes from

 

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

 

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

 

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26. Myopia is connected with

 

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

   

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28. Monotremes are unique mammals because they

 

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29. 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

 

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30. Human heart is made up of

 

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

 

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32. Pyorrhoea is a disease of the

 

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33. 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?

 

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34. Radical vascular bundles are those in which

 

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35. The grouping of blood is based on substances called

 

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36. Poison glands of snakes are homologous to

 

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37. The upper chambers of the heart are the

 

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

 

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

 

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

 

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41. Normal adult human male has

 

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42. Monocot root differs from dicot root in having

 

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

 

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

 

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45. Plant development is influenced by

 

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46. Pollination is best defined as

 

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47. What is the average Life span of RBC?

 

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48. Movement of cell against concentration gradient is called

 

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49. Radioactivity is a phenomenon of the spontaneous emission of

 

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

 

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51. Which statement about capillaries is correct?

 

52 / 100

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

 

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53. Fully mature human RBCs has

 

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

 

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55. Primary phloem develops from

 

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56. Ramapithecus and Cro-Magnon man are considered

 

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57. Purification of blood takes place in

 

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

 

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

 

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60. Which of the following blood cells carry oxygen?

 

61 / 100

61. Ozone hole refers to

 

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62. Placenta is the structure formed

 

63 / 100

63. The normal blood pressure in human beings is

 

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

 

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65. Plants wilt due to excess of

 

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66. Photosynthesis takes place faster in

 

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67. Movements due to light are shown by

 

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68. Most abundant tissues of our body are

 

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

 

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70. Pollination by wind is called

 

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71. Plants that grow in saline water are called

 

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72. Reflex actions are controlled by :

 

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73. 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

 

74 / 100

74. Pulses are a good source of

 

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75. Plants growing on sand are called as

 

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76. Outer covering of virus made up of protein is

 

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77. Radish is a

 

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78. Norepinephrine increases

 

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

 

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80. Plant have ____ while animals lack it.

 

81 / 100

81. Pigmentation of skin is due to

 

82 / 100

82. Mutation is

 

83 / 100

83. 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

 

84 / 100

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

 

85 / 100

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

 

86 / 100

86. Process of cell division can take place by

 

87 / 100

87. Plants synthesis protein from

 

88 / 100

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

 

89 / 100

89. Mumps is a disease caused by

 

90 / 100

90. Pollen grains in plants are produced in

 

91 / 100

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

 

92 / 100

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

 

93 / 100

93. Number of chromosomes in down’s syndrome is

 

94 / 100

94. Phloem is a tissue found in

 

95 / 100

95. Life of red blood cells in the body is

 

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

 

97 / 100

97. Nymph is the name of young one of

 

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98. Blood group which have no antigen

 

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

 

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100. 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?

 

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