Given below is an apparatus which was setup to investigate a physiological process in plants
Plant Physiology (10)Given below is an apparatus which was setup to investigate a physiological process in plants. The setup was placed in bright sunlight. Answer the questions that follow:
- Name the process being studied. Define the process.
- Why was the pot enclosed in a rubber sheet?
- Mention two external factors which can accelerate the above process.
- List two adaptations in plants to reduce the above process.
- Draw a neat, labelled diagram of a stomatal apparatus.
Answer
(i) Transpiration. It is the loss of water as water vapour from the aerial parts of the plant.
(ii) To prevent evaporation of water from the pot/ soil
(iii) Bright sunlight, high temperature, high velocity of wind, low humidity.
(iv) Thick cuticle, loss of leaves, narrow leaves, fewer stomata, sunken stomata, leaves modified into spines, multiple layers of epidermal cells.
(v)
- Exam Year: 2019