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प्रश्न
Draw a neat labelled diagram of the human excretory system.
उत्तर
Diagram of the human excretory system:
APPEARS IN
संबंधित प्रश्न
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?
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
Name an animal which absorbs oxygen through its moist skin.
A dialysis machine contains long tubes coiled in a tank containing dialysing solution Of what substance are the tubes made?
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Put a tick mark (✓) against the most appropriate alternative in the following statement :
In human beings, urea is produced in :
Why is excretion necessary in living beings?
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Answer the following in short.
Define transpiration in plants.
Answer the following in detail.
Describe the process of urine formation.
Define the following term :
Renal pelvis
Look at the figure given bellow, it is a section of human kidney as seen from the front.
Is it a longitudinal section or a cross-section?
Look at the figure given below. It is a section of human kidney as seen from the front.
Which area/part (give its name and number given on the diagram) which contains the following:
(i) Malpighian capsule
(ii) The pyramids
(iii) Freshly collected urine
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?
Name the Following
The branch of renal artery which enters into Bowman’s capsule.
Choose the correct option.
What is micturition?
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
The habitat of animals that excrete nitrogenous waste in the form of urea.
Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.
Name the organs that store and release the urine.
