Advertisements
Advertisements
Question
In which of the following are the largest amounts of nitrogen excreted from a mammalian body?
(a) breath
(b) sweat
(c) urine
(d) faeces
Advertisements
Solution
(c) urine
The largest amount of nitrogen is excreted from a mammalian body as urine.
APPEARS IN
RELATED QUESTIONS
The diagram given below shows a section of human kidney. Study the diagram carefully and answer the questions that follow :
(i) Label the parts numbered 1 to 4.
(ii) Why does part ‘2’ have a striped appearance?
(iii) What is the fluid that passes down part ‘4’? Name the main nitrogenous waste present in it.
(iv) Mention the structural and functional units of kidneys.
(v) Name the two major steps in the formation of the fluid mentioned in Q.5 (a) (iii).
Fill in the following blank with suitable word:
Gums and resins are the .......... products of plants.
Draw a neat labelled diagram of the human excretory system.
Tick the most appropriate answer.
Quinine is used in the treatment of
Fill in the blank.
....................... are present in the stem of pine tree that make the pinewood strong and durable.
Answer the following in detail.
Explain the process of transpiration. Describe some factors that affect it.
Name the following:
The tuft of capillaries inside the Bowman's capsule.
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?
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 highest concentration of urea?
Study the diagram given alongside and then answer the question that follow:
Name the parts labelled 1, 2, 3, and 4.
Explain the Term: Glomerulus
State the Location: Medulla of Kidney
Write the functional activity of the following structure:
Glomerulus
Choose the correct option.
Which one of the following organisms would spend maximum energy in the production of nitrogenous waste?
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
Choose the correct option.
What is micturition?
Choose the correct option.
The minor calyx _______.
Answer the following question.
Name any one guanotelic organism.
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
The product of the process of deamination is ______.
