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Excretion Quiz

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is not a part of the nephron?

a)

Branch of Renal artery

b)

Glomerulus

c)

Bronchiole

d)

Bowman's Capsule

2.

Correct sequence of urine formation is:

a)

Filtration, reabsorption, collection

b)

Filtration, collection, reabsorption

c)

Secretion, reabsorption, collection

d)

Absorption, filtration, secretion

3.

Assertion: Egestion is the removal of nitrogenous waste products from the body.

Reason: Excretion is the discharge of undigested matter from the digestive tract.

a)

Both A and R are true and A is the correct explanation R

b)

Both A and R are true and A is not the correct explanation R

c)

Only A is False and R is True

d)

Both A and R are false

4.

In the given figure, the structures associated with human kidneys are marked (X, Y and Z). The relative concentrations of urea in these structures is :

a)

X is sometimes higher than Y

b)

Y is always higher than Z

c)

Z is sometimes lower than X

d)

Y is always lower than Z

5.

You excrete out by-products all the time, select the correct option

a)

CO2 by our respiratory system

b)

Sweat by skin

c)

None

d)

Both

6.

Which organ helps in converting ammonia to urea in higher animals

a)

Kidney

b)

Pancreas

c)

Liver

d)

Gall Bladder

7.

What are these based on :- Urea, Uric Acid and Ammonia waste

a)

Carbon Based Waste

b)

Hydrogenous Based Waste

c)

Nitrogen Based Wastes

d)

Both 1 and 3

8.

In Anaerobic respiration what could be excretory products

a)

Ethanol

b)

Ammonia

c)

Water

d)

All of the above

9.

Which one of the following is the right option?

a)

Mammals excrete urea

b)

Birds, Reptiles and terrestrial invertebrates excrete uric acid

c)

Fish, amphibians, water organisms excrete ammonia

d)

All could be correct

10.

Which organ performs both osmoregulation and excretion?

a)

Kidney

b)

Skin

c)

Urethra

d)

None of the above

11.

Have a free point and this free cookie !

a)

Want a free point

b)

Don't want a free point

12.

Name any animal in which amino acids are excreted out without going any change?

a)

Tardigrades

b)

Mollusks

c)

Echinoderms

d)

Both 2 and 3

13.

Nephrons are rich in blood capillaries?

a)

To absorb waste

b)

To absorb excess water

c)

To absorb excess nutrients or sugars

d)

Both 2 and 3

14.

What is the factor that allows cleaning the nitrogenous waste from the blood ?

a)

Pressure

b)

Osmosis

c)

Layers of Sheet type structure, a semi permeable membrane

d)

Diffusion

15.

What type of waste does amphibians excrete?

a)

Uric acid

b)

Ammonia

c)

Urea

d)

Both 1 and 2

16.

What is an artificial kidney called ? Choose the most appropriate one

a)

Hemodialysis

b)

Dialysis

c)

Dialyzer

d)

None of the above

17.

Where is the waste collected first ?

a)

Collecting Units

b)

Urinary Bladder

c)

Both

d)

None

18.
The excretory system is responsible for
a)
breaking down food.
b)
getting rid of liquid, solid, and gas waste.
19.
Waste leaves the body from
a)
the skin, the urethra, the lungs, and the anus.
b)
the rectum and the bladder.