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Earn 100

A nephridium of an earth worm drains materials directly from the

50% studentsanswered this correctly

Important Questions on Excretion in Organisms

HARD
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Which of the animal groups show uricotelism?
MEDIUM
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
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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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Nitrogenous waste is excreted in the form of pellet or paste by:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
The major excretory product of birds is:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
The major nitrogenous excretory product in mammals is:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals

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: 

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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Choose the odd one. Give the reason for your choice:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ are the main excretory organs in annelids.
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Contractile vacuole is absent in marine and parasitic protozoa because:
MEDIUM
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Loss of water from body occurs by all of the following except
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
NH3 in Amoeba is excreted through:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Getting rid of waste materials in living beings is called _____.
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Excretion in Amoeba occurs through:
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals

Fill in the blank with the correct option provided in the bracket.

The kidney of a mammal resembles the _____ (plasma membrane/contractile vacuole/nephridia) of Amoeba in expelling out excess water.

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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
The excretory substance in fishes is _____.(Ammonia/Uric acid)
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ (Uric acid/Amino acid) is excretory substance in pila.
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Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Aquatic animals like fish excrete their wastes in gaseous form as
MEDIUM
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Excretory organs of cockroach are
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ (Malpighian tubules/Nephridia) is an excretory organ of earthworm.