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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. Plants absorb dissolved nitrates from soil and convert them into

 

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2. Norepinephrine increases

 

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

 

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5. Process of cell division can take place by

 

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6. Poison glands of snakes are homologous to

 

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7. Plants growing on sand are called as

 

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

 

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9. Purification of blood takes place in

 

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10. Plants wilt due to excess of

 

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11. Plants are killed in winter by frost

 

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12. Red blood corpuscles is also known as

 

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13. Number of chromosomes in down’s syndrome is

 

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14. Pulses are a good source of

 

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

 

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16. Movement of cell against concentration gradient is called

 

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

 

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

 

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20. Plant development is influenced by

 

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21. Photosynthesis takes place faster in

 

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22. Human heart is made up of

 

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23. Plants synthesis protein from

 

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24. Pollination by wind is called

 

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

 

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26. Most highly intelligent mammals are

 

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27. Reflex actions are controlled by :

 

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

 

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29. Placenta is the structure formed

 

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30. Plants developing in dry conditions are

 

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31. The normal blood pressure in human beings is

 

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32. Pigmentation of skin is due to

 

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33. Prokaryotic cells lack

 

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

 

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

 

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36. Radioactivity is a phenomenon of the spontaneous emission of

 

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37. Plants that grow in saline water are called

 

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38. Red colour of blood is due to presence of

 

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39. The grouping of blood is based on substances called

 

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40. Ozone hole refers to

 

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41. Plant have ____ while animals lack it.

 

42 / 100

42. Mumps is a disease caused by

 

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43. 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?

 

44 / 100

44. 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

 

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

 

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46. Life of red blood cells in the body is

 

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

 

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48. In human body lymphocytes are formed in

 

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

 

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50. Phloem is a tissue found in

 

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51. Pollination is best defined as

 

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52. Normal adult human male has

 

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

 

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54. The upper chambers of the heart are the

 

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55. Neurospora is used as genetic material because

 

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56. Which of the following blood cells carry oxygen?

 

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57. Photo-oxidation is

 

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58. Monocot root differs from dicot root in having

 

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

   

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60. Radish is a

 

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61. Plants receive their nutrients mainly from

 

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62. 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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63. Most abundant tissues of our body are

 

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

 

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65. What is the average Life span of RBC?

 

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66. Outer covering of virus made up of protein is

 

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67. Main function of white blood corpuscles is

 

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

 

69 / 100

69. Movements due to light are shown by

 

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

 

71 / 100

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

 

72 / 100

72. Mutation is

 

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73. Nymph is the name of young one of

 

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

 

75 / 100

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

 

76 / 100

76. Biotic component of the environment does not include-

 

77 / 100

77. Myopia is connected with

 

78 / 100

78. Which statement about capillaries is correct?

 

79 / 100

79. Monotremes are unique mammals because they

 

80 / 100

80. Pyorrhoea is a disease of the

 

81 / 100

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

 

82 / 100

82. Pollen grains in plants are produced in

 

83 / 100

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

 

84 / 100

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

 

85 / 100

85. Photosynthesis is a process

 

86 / 100

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

 

87 / 100

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

 

88 / 100

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

 

89 / 100

89. Plants hormone that induces cell division is

 

90 / 100

90. O2 released in the process of photosynthesis comes from

 

91 / 100

91. Ramapithecus and Cro-Magnon man are considered

 

92 / 100

92. Radical vascular bundles are those in which

 

93 / 100

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

 

94 / 100

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

 

95 / 100

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

 

96 / 100

96. Which blood group is universal acceptor?

 

97 / 100

97. Ptyalin is an enzyme produced in the

 

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98. Primary phloem develops from

 

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99. Blood group which have no antigen

 

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100. Fully mature human RBCs has

 

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