61. Biofertilisers convert nitrogen into
62. Which one among the following produces seeds but not flowers?
63. In order to emphasize the part played by living plants and animals in soil formation, Taylor (1930) proposed the following formula: S = M (C + V + VA + A) t + D
where, A and V signify respectively,
where, A and V signify respectively,
64. The type of disease control which makes use of the fact that certain plant pathogens are parasitized by other organisms, which may destroy them is known as
65. In the ovary, the marginal line along which the carpel fuses is called the
66. The transfer of electrons to NADP+ creates an electron debit in photosystem I. This deficit in non-cyclic photophosphorylation is made up by the excitation of
67. An antibiotic which is antifungal has been discovered at the Indian Agricultural Research Institute, named as
68. The inner tapetum of the microspores develops from cells of the
69. The seeds of gram pod are attached to the wall of the podby a stalk called the
70. Abscisic acid (ABA) is derived from
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- Plant Anatomy and Physiology - Section 9
- Plant Anatomy and Physiology - Section 10