English
Tamil Nadu Board of Secondary EducationHSC Science Class 11

With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?

Advertisements
Advertisements

Question

With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?

Short/Brief Note
Advertisements

Solution

Ureotelic animals excrete urea with minimum loss of water, e.g., Mammals and terrestrial amphibians. Uricotelic animals excrete uric acid with the least loss of water, e.g., Birds and reptiles.

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Excretion - Evaluation [Page 148]

APPEARS IN

Samacheer Kalvi Biology (Zoology) [English] Class 11 TN Board
Chapter 8 Excretion
Evaluation | Q 24. | Page 148
Samacheer Kalvi Zoology [English] Class 11 TN Board
Chapter 8 Excretion
Evaluation | Q 24. | Page 152

RELATED QUESTIONS

Dialysis fluid contains all the constituents as in plasma except ______.


Glucose is taken back from glomerular filtrate ___________

(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion


Fill in the blank : 

The unit of human kidney is called ..................... 


Define the following: 

Dialysis


Define the following:  

Nephron


Where in the urinary system do the following processes take place?

  1. Urine formation: ______.
  2. Transport of urine away from kidney: ______.
  3. Temporary storage of urine: ______.

What is meant by osmoregulation?


Answer the following in detail.

Explain the structure of a nephron with the help of a diagram.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.


Multiple Choice Question: In the Bowman’s capsule:


Answer the following question.

Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?


Higher Order Thinking Skill

Why do you think that urine analysis is an important part of medical diagnosis?


What solute is normally present in the body to estimate GFR in humans?


Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.


Identfiy the biological term

Temporary storage of urine.


What is tubular secretion? Name the substances secreted through the renal tubules.


The human kidney is histologically divided into ____________.


Proximal convoluted tubule differs from distal convoluted tubule being lined by ______ 


What are the main processes of urine formation?


Name the substances other than water, that are reabsorbed during urine formation. What are the two parameters that decide the amount of water that is reabsorbed in the kidney?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×