71. In nematode, tylenchids stylet develop from
72. Which of the following root knot nematode species perennial pattern in nature and distinctly marked by the presence of lateral ridges?
73. Cement layer is absent in which insect?
74. The damaging stage of mustard saw fly
75. According to International standard grade of silk yarn reeled from CSR hybrids is
76. Yellow mosaic virus disease of moong spreads by
77. Commercially granulosis virus (GV) used for the control of
78. "Knock out" is a commercial transgenic hybrid of
79. In Cyclorrhapan Diptera accessory pulsating organs are present in
80. The maxillary stylets in case of Thysanoptera are mostly
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