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प्रश्न

How are waste products excreted in Amoeba?

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उत्तर

Amoeba excretes excess carbon dioxide, water and ammonia. Carbon dioxide is excreted by diffusion through the cell membrane, while excess water and nitrogenous waste like ammonia is removed by the contractile vacuole.

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पाठ 1: Life Processes - Exercise 3 [पृष्ठ ७४]

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लखमीर सिंह Biology (Science) [English] Class 10
पाठ 1 Life Processes
Exercise 3 | Q 43.2 | पृष्ठ ७४

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

What are the methods used by plants to get rid of excretory products?


Name the Following
The organ which produces urea.


the Biological/technical term Pigment providing colour to urine. 


The diagram given below shows the male urinogenital system of a human being. Study the diagram and answer the questions that follow:

(i) Label the parts numbered 1 to 8.
(ii) Name the corresponding structure of part (4) in female  reproductive system.
(iii) What is the role of part 7?


Differentiate between the following pair on the basis of what is indicated in the bracket.

Ureter and Urethra [function]


Fill in the following blank with suitable word:

Gums and resins are the .......... products of plants.


What job is done by the kidneys?


A dialysis machine contains long tubes coiled in a tank containing dialysing solution

What does the dialysing solution contain?


State if the following statement is true or false. Correct the statement if it is false.  

Liver produces bile pigments from the hemoglobin of broken RBCs.


Differentiate between 

tannins and resins


Write down the functional activity of the following parts, 

Henle's loop ……………… 


The following diagram represents a mammalian kidney tubule (nephron) and its blood supply. 

 

Parts indicated by the guidelines 1 to 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:

Where does ultrafiltration take place?


What is the function of a nephron?

Differentiate between:
The Renal artery and the Renal vein.


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?


Name the Following
The division of the kidney which is light in colour and subdivided into conical renal pyramids.


Name the Following
The process by which kidneys regulate the water content of the body.


Write the functional activity of the following structure: Kidney


The product of the process of deamination is ______.


Among the following animals, the best conserver of water is ______.


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