Match List I and List II List I List II A Taenia I Nephridia B Paramoecium II Contractile vacuole C Periplaneta III Flame cells D Pheretima IV Uricose gland Choose the correct answer from the options given below:

A - III ; B - II ; C - IV ; D - I

A - II ; B - I ; C - IV ; D - III

A - I ; B - II ; C - III ; D - IV

A - I ; B - II ; C - IV ; D - III

Match the items of column I with those of column II: Column I Column II a) Ammonotelism (i) Birds b) Bowman's capsule (ii) Water reabsorption c) Micturition (iii) Bony fish d) Uricotelism (iv) Urinary bladder e) ADH (v) Renal tubule

(a)- (iii) Ammonotelism is the process of excretion of ammonia as an excretory product. Ammonia is highly toxic, so the organism needs plenty of water to make it less toxic. That is why aquatic organisms like bony fishes, octopus excrete ammonia and are called as ammonotelic organism. (b)- (v) Bowman's capsule and renal tubule are the part of nephron of the kidney. (c)- (iv) Micturition is the action of urination where urine is released out from urinary bladder through the urethra. (d)- (i) Uricotelism is the process of excreting uric acid. It is a highly concentrated compound released by organisms who live in water deficit region and the example of these type of organisms are birds. (e)- (ii) ADH is a hormone secreted from posterior pituitary. It helps in reabsorption of water from DCT and CT (collecting tubule) of nephron. Column I Column II a) Ammonotelism (iii) Bony fish b) Bowman's capsule (v) Renal tubule c) Micturition iv) Urinary bladder d) Uricotelism (i) Birds e) ADH (ii) Water reabsorption

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Select the incorrect statement from the following.

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Important Questions on Excretory Products and Their Elimination

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Nitrogenous waste is excreted in the form of pellet or paste by:

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

What are Euryhaline organisms?

MEDIUM

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Match List I and List II

	List I		List II
A	Taenia	I	Nephridia
B	Paramoecium	II	Contractile vacuole
C	Periplaneta	III	Flame cells
D	Pheretima	IV	Uricose gland

Choose the correct answer from the options given below:

MEDIUM

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Discuss the statement: The nature of nitrogenous waste and its excretion depends on the availability of water. Explain it using any two examples.

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

The major excretory product of birds is:

HARD

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Which of the animal groups show uricotelism?

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

The major nitrogenous excretory product in mammals is:

HARD

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Which of the following can be termed as osmoconformers?

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Freshwater bony fishes maintain water balance by:

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Excretion in Amoeba occurs through:

MEDIUM

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Body fluids of shark and coelacanths can be termed as:

HARD

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why?

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

What is meant by osmoregulation?

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Uricotelism is a method of conserving

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Contractile vacuole is absent in marine and parasitic protozoa because:

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Which one of the following is likely to accumulate in a dangerous proportion in the blood of a person whose kidney is not working properly

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

In man, the urea is mainly produced in

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Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

N H_{3}

in Amoeba is excreted through:

MEDIUM

Biology>Human Anatomy and Physiology-II>Excretory Products and Their Elimination>Modes of Excretion

Match the items of column I with those of column II:

Column I	Column II
a) Ammonotelism	(i) Birds
b) Bowman's capsule	(ii) Water reabsorption
c) Micturition	(iii) Bony fish
d) Uricotelism	(iv) Urinary bladder
e) ADH	(v) Renal tubule

Select the incorrect statement from the following.

Important Questions on Excretory Products and Their Elimination

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