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प्रश्न
Boojho’s uncle was hospitalised and put on dialysis after a severe infection in both of his kidneys.
What is dialysis?
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उत्तर
Dialysis is the medical process by which toxic substances are removed from the blood of a person whose kidneys are completely damaged. An artificial kidney is a dialysis machine.
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संबंधित प्रश्न
What are stomata?
Define the term Transpiration stream
How does transpiration help in the uptake of water from the soil?
Litmus paper is used to demonstrate transpiration from the leaves of the green plant.
A well watered healthy potted plant with variegated leaves was kept in darkness for about 24 hours. It was then set up as shown in the diagram and exposed to light for about 12 hours. At the end of this time, leaf x and y were tested for starch. Study the diagram and answer the questions that follow:
(i) Why was the plant initially kept in darkness for 24 hours?
(ii) What is the function of sodium hydroxide solution in the flask?
(iii) Select the correct leaf from the five available choices shown in the diagram as a, b, c, d and e. Rewrite the correct answer by filling in the appropriate letter for the questions that follow:
1. After the starch test, leaf x would look like ______.
2. After the starch test, leaf y would look like ______.
(iv) The experiment with leaf y shows that photosynthesis requires the presence of certain factors. Mention any one factor.
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?
Stamen has two parts called ______ and ______.
ABA (Abscisic acid) is called a stress hormone. How does this hormone overcome stress conditions?
The process of evaporative loss of water from the aerial parts of a plant is ______.
Which of the following is an external factor affecting the rate of transpiration?
