61. International seed health testing lab was established in 1918 in
62. Endosmosis of water occurs when water potential of the cell sap is
63. A fertiliser not listed in the FCO cannot be labelled an sold as fertiliser because it is
64. Which type of toxin known to the primary determinant of pathogenicity?
65. Number of components in alfa alfa mosaic virus is
66. Chaubatia paste is made in
67. In Casuarina fertilisation takes place through
68. Decomposition of organic matter in submerged soil is carried out by
69. Ubisch bodies are connected with the formation of
70. Which element is required photosynthetic evolution of oxygen?
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