Hydathodes are specialized structures found at the margins or tips of leaves and are involved in guttation, which is the exudation of water droplets due to root pressure, especially under high soil moisture and low transpiration conditions. This typically occurs at night or early morning.
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45 Mins English English100 Questions100 Marks120 Mins English English100 Questions100 Marks120 Mins English| List-I (Elements) |
List-II (Functions in Plants) |
| (A) Iron |
(I) Chlorophyll biosynthesis |
| (B) Zinc |
(II) Photolysis of water |
| (C) Manganese |
(III) Indole Acetic Acid biosynthesis |
| (D) Boron |
(IV) Translocation of sugars |
| List-I (Pigment) |
List-II (Associated with) |
| (A) Phytochrome |
(I) Stimulation of flowering |
| (B) Leghemoglobin |
(II) Nitrogen fixation |
| (C) Chlorophyll a |
(III) Red algae |
| (D) Chlorophyll d |
(IV) All photosynthesizing plants except bacteria |
Arrange the following electron carriers in the correct sequence of electron flow during photosynthesis in the thylakoid membrane: (A) Cytochrome b6-f complex (B) Plastoquinone (C) PS-II (D) Plastocyanin
Choose the correct answer from the options given below:
__________ in the direct substate for plant respiration.
Respiratory Quotient (RQ) for fats is
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