71. Seed treatment with Vitavex is the main controlling method of
72. SO2 and NO2 Produce pollution by increasing
73. SO2 pollution causes
74. Sound becomes hazardous noise pollution at level
75. Spot the odd one
76. Spraying of DDT produces pollution of
77. The desired varieties of economically useful crops are raised by
78. The following is not a plant growth regulator
79. The instrument, which is used for sowing of seed with fertilizer together at a time, is
80. The main atmospheric layer near the surface of earth is
MCQ Multiple Choice Questions and Answers on Botany
Botany Trivia Questions and Answers PDF
Botany Question and Answer
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