(C) $Amoeba$ is a unicellular organism that lacks a specialized excretory system. Excretion of metabolic waste products occurs primarily through the c

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(C) $Amoeba$ is a unicellular organism that lacks a specialized excretory system. Excretion of metabolic waste products occurs primarily through the cell membrane,known as the plasmalemma,via the process of simple diffusion. While the contractile vacuole is involved in osmoregulation (water balance),the primary route for the excretion of nitrogenous waste is the plasmalemma.

Class 11 Biology Excretory Products and their Elimination Excretory organs of different organism

Medium

Excretion in $Amoeba$ occurs through

A
Nucleus
B
Parapodia
C
Plasmalemma
D
Contractile vacuole

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Class 11 Questions

Class 11

Biology Questions

Chapter

Excretory Products and their Elimination

Subtopic

Excretory organs of different organism

Choose the correct pair.
Column-$I$ Column-$II$
$(a)$ Protonephridia $(I)$ In crustaceans like prawns.
$(b)$ Nephridia $(II)$ In Platyhelminthes,rotifers,amphioxus.
$(c)$ Malpighian tubules $(III)$ In insects including cockroaches.
$(d)$ Green glands $(IV)$ In earthworms and other annelids.

Medium

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When a marine water fish is kept in fresh water,it will die due to:

Medium

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Which are the excretory organs in crustacean animals?

Easy

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Malpighian tubules are the excretory structures of

Medium

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$Assertion (S)$: In $Paramecium$,the contractile vacuole performs excretion.
$Reason (R)$: In $Planaria$,flame cells are present,which perform excretion.

Medium

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Column-$I$	Column-$II$
$(a)$ Protonephridia	$(I)$ In crustaceans like prawns.
$(b)$ Nephridia	$(II)$ In Platyhelminthes,rotifers,amphioxus.
$(c)$ Malpighian tubules	$(III)$ In insects including cockroaches.
$(d)$ Green glands	$(IV)$ In earthworms and other annelids.

Excretion in $Amoeba$ occurs through

Similar Questions

Choose the correct pair.Column-$I$Column-$II$$(a)$ Protonephridia$(I)$ In crustaceans like prawns.$(b)$ Nephridia$(II)$ In Platyhelminthes,rotifers,amphioxus.$(c)$ Malpighian tubules$(III)$ In insects including cockroaches.$(d)$ Green glands$(IV)$ In earthworms and other annelids.

When a marine water fish is kept in fresh water,it will die due to:

Which are the excretory organs in crustacean animals?

Malpighian tubules are the excretory structures of

$Assertion (S)$: In $Paramecium$,the contractile vacuole performs excretion.$Reason (R)$: In $Planaria$,flame cells are present,which perform excretion.

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Choose the correct pair.
Column-$I$ Column-$II$
$(a)$ Protonephridia $(I)$ In crustaceans like prawns.
$(b)$ Nephridia $(II)$ In Platyhelminthes,rotifers,amphioxus.
$(c)$ Malpighian tubules $(III)$ In insects including cockroaches.
$(d)$ Green glands $(IV)$ In earthworms and other annelids.

$Assertion (S)$: In $Paramecium$,the contractile vacuole performs excretion.
$Reason (R)$: In $Planaria$,flame cells are present,which perform excretion.