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प्रश्न
Name the two parts of a plant through which its gaseous waste products are released into the air.
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उत्तर
The two primary parts of a plant through which gaseous waste products are released are leaves and stems.
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संबंधित प्रश्न
Describe the structure of nephrons.
The kidneys in human beings are a part of the system for ______.
Mention the exact location of the Prostate gland.
The nephrons discharge their urine at ______.
The diagram given alongside shows a section of a human kidney. Study the diagram carefully and answer the questions that follow:
- Label the parts numbered 1 to 4.
- Why does part 2 have a striped appearance?
- What is the fluid that passes down part 4? Name the main nitrogenous waste present in it.
- Mention the structural and functional units of kidneys.
- Name the two major steps in the formation of the fluid mentioned in (c).
What is meant by dialysis?
Answer the following in short.
List five waste products of plants.
Choose the correct answer:
The smallest functional unit of the kidney is ____________
Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the lowest concentration of urea?
Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:
Mention two functions of the kidney.
Differentiate between:
The Renal artery and the Renal vein.
Differentiate between:
Renal cortex and Renal medulla.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Give Technical Terms
The hormone that helps increase the reabsorption of water from the kidney tubules.
Identify the INCORRECT match.
Bilirubin and Biliverdin are pigments which are ____________.
Certain organisms that are aquatic in habitat, tolerate only a narrow range of salinity. What term is given to such animals?
Name the following:
The main nitrogenous waste formed in the body.
Give two examples of the following:
Water-soluble vitamins
