Consider the following three statements with blanks. Which of the options correctly fills all the blanks in these statements? a) The ascending limb of loop of Henle's is impermeable to __(1)__ but allows transport of __(2)__ b) __(3)__ and __(4)__ play a significant role in producing a concentrated urine. c) A fall in the glomerular blood flow/glomerular blood pressure / GFR gets active at the JG cells to release __(5)__

(a)- (1) Water (2) Sodium, Potassium ions (b)- (3) Henle's loop (4) Vasa recta (c)- (5) Renin

(a)- (1) Sodium, Potassium ions (2) Water (b)- (3) Bowman's capsule (4) Glomerulus (c) -(5) Erythropoietin

(a)- (1) Water (2) Sodium Potassium ions (b)- (3) Henle's loop (4) Vasa recta (c)- (5) Erythropoietin

None of these options satisfy all blanks

Removal of proximal convoluted tubule from the nephron will result in:

No change in quality and quantity of urine

E M B I B E

Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 50

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IMPORTANT

Earn 100

The glomerular filtration rate is NOT affected by

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Important Questions on Excretory Products and Their Elimination

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 54

How many animals in the list given below are uricotelic animals :-

Periplaneta, Hemidectylus, Columba, Rana, Scoleodon, Terrestrial pila, Apis, Tadpole larva, Corvus, Pteropus

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 58

The process of excretion is the

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 59

Uricotelism is found in

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IMPORTANT

Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 60

Uricotelic mode of passing out nitrogenous wastes is found in:

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 61

The most toxic excretory product is

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 62

Identify the correct matching:
a) Sweat gland- eliminates urea, lactic acid, $NaCl$
b) Sebaceous glands- Eliminate sterols, hydrocarbons, and waxes through sebum.
c) lungs- Remove large amounts of ${CO}_{2}$ ( $18$ litres day) and a significant quantity of water
d) Liver- Eliminate degraded steroid hormones, vitamins, and drugs.

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 63

The lungs are considered as excretory organs because of their ability to eliminate

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Biology Crash Course KCET UG>Chapter 19 - Excretory Products and Their Elimination>Exercise 1>Q 64

In man, the urea is mainly produced in