61. The teliospores are readily carried from the smutted ears by air current at the time when the healthy plants are in the
62. Maximum photosynthetic activity occurs in
63. The process of water exudation, in guttation, usually takes place through certain specialized structures known as
64. Which light is most effective in photosynthesis?
65. Which of the following element is not a micronutrient for plants?
66. Light energy changes into the chemical energy by which of the following process?
67. The electron transport carriers of chloroplasts are located in the
68. The CO2 concentration at a given constant light intensity at which there is a balance between photosynthetic assimilation and respiration is called as
69. The condition where some plants never open to ensure complete self-pollination is known as
70. Thermal migrations occur in
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- Plant Anatomy and Physiology - Section 9
- Plant Anatomy and Physiology - Section 10