EASY
Earn 100

  Column (A)   Column (B)
a Nestorium p Quinine
b insect q pollinator
c earthworm r uric acid
d Reptiles s Bindustrava
e Cinchona t Malpighi tubule

 

 

Important Questions on Excretion in Organisms

MEDIUM
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: 

EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ (Uric acid/Amino acid) is excretory substance in pila.
MEDIUM
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Read the following (A – D) four statements:

(A) Some amount of urea may be retained in the kidney matrix of mammals to maintain a desired osmolarity.
(B) Protonephridia are excretory structures in rotifers
(C) In prawns, malpighian tubules help in the removal of nitrogenous wastes and osmoregulation.
(D) In human beings, kidneys are situated between the levels of last thoracic and third lumber vertebra close to the ventral inner wall of the abdominal cavity

How many of the above statements are correct?
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Aquatic animals like fish excrete their wastes in gaseous form as
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
_____ are the main excretory organs in annelids.
HARD
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
When a fresh water protozoan possessing a contractile vacuole, is placed in a glass containing marine water, the vacuole will
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
The excretory substance in fishes is _____.(Ammonia/Uric acid)
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ (Malpighian tubules/Nephridia) is an excretory organ of earthworm.
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
Which of these is not a product of excretion?
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Excretion in Amoeba occurs through:
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Getting rid of waste materials in living beings is called _____.
MEDIUM
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Loss of water from body occurs by all of the following except
EASY
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.

EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
NH3 in Amoeba is excreted through:
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Excretion, in unicellular plants and animals, takes place through _____.
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals

Choose the right appropriate word from the given bracket and fill in the blanks.

We expelled out the waste from our body in the form of urine, sweat, and _____ (stool/garbage).

EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
Kidneys eliminate the waste materials in liquid form called _____.
EASY
Science>Biology>Excretion in Organisms>Excretory Organs in Other Animals
_____ (Ammonia/uric acid) is excretory product in fishes.