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प्रश्न
Give Technical Term
When cobalt chloride paper is placed on lower and upper surface of the leaf, the paper of which side becomes more pink?
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उत्तर
Lower side
संबंधित प्रश्न
What are stomata?
Define the three processes by which plants absorb water and minerals from the soil.
Define the termTranspiration
Name the process by which water loss takes place through the leaves.
Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.
Name the phenomenon being demonstrated.
The figure below represents the set-up at the start of certain experiment to demonstrate an activity of plants:
(i) What is the aim of the experiment?
(ii) Why has oil been put in each test tube?
(iii) What will be the observations in the two test-tubes after about 2-3 days?
(iv) Give reasons to explain any change observed as answered in (iii) above.
(v) Why has the test-tube b without the plant, been taken in the experiment?
An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:
List three adaptations in plants to reduce the above mentioned process.
Give the importance of transpiration?
Water molecule is very polar. Polar end of molecule attracts opposite charges on another water molecule (acts like magnet). How will you explain this property of water with reference to upward movement of water? Comment on the upward movement of water given the intermolecular hydrogen bonding in water.
The process of evaporative loss of water from the aerial parts of a plant is ______.
