Botany MCQ Multiple Choice Questions Answers - Page 3 for Practice

61. Which one of the following is normally not an atmospheric pollutant ?

62. Which Pollutant causes leaf curling

63. World Environment Day is

64. A common example of stem tuber is

65. A green house gas is

66. A low branch with a node is bent down and covered with soil in

67. A plant breeder: waists to develop a disease resistant variety. What should he do first?

68. A variety or strain produced by horticultural or agricultural techniques and not normally found in natural population is called

69. Acid rain is caused by

70. Advantages of Artificial Methods of Vegetative Reproduction include

71. Aims of plant breeding are to produce

72. Air pollution effects are usually found on

73. Algal bloom results in

74. Anxiety and stress are caused by

75. Artificial methods of reproduction do not include

76. Artificial methods of vegetative propagation includes

77. Automobile exhaust gas that causes major respiratory problem is

78. Banana is propagated by

79. Basic taxonomic unit is

80. Binomial nomenclature means writing the name of plant in two words which designate

81. Bioherbicides have been recommended

82. BOD is connected with

83. Cadmium damages

84. Carbon monoxide is pollutant as it

85. Carbon monoxide kills because it destroys

86. Chief air pollutant which is likely to deplete ozone layer is

87. Classical taxonomy is also termed

88. Coacervates were experimentally produced by

89. Coacervates were formed by

90. Component of smog


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