Excretory System

Q.

Which is the major nitrogenous waste product in a human being? How is it removed from the body?

Q.

Which organ collects and excretes urea, excess salt and water?

1. Heart

2. Kidneys

3. Lungs

4. Brain

Q. Which of the following organ converts ammonia into urea?

1. Liver
2. Stomach
3. Kidney
4. Bladder

Q. What is the function of urinary bladder?

1. Blood filtration
2. Removing blood
3. Collecting urine
4. Covering muscles

Q.

An organ in human beings concerned with maintaining water balance in the body.

Q. Muscles are made up of ______.

1. protein
2. organs
3. fat
4. fiber

Q. The opening of the bladder into the urethra is guarded by ______.

1. epiglottis
2. sphincter muscles
3. guard cells
4. close cells

Q. is formed during the breakdown of amino acids.

1. Urea
2. Ammonia
3. Protein
4. Fat

Q.

Identify the excretory organ from the given images.

1. 

2. 

3. 

4. 

Q. In which organ is urea formed and through which tube does it leave the body?

1. 
2. 
3. 
4. 

Q. Identify the excretory system from the given images.

1. 
2. 
3. 
4. 

Q. The small ring of muscle at the end of uretra is sphincter muscle.

1. True
2. False

Q. Ureters are a pair of small tubes that connect the kidneys to the urethra.

1. True
2. False

Q.

Which of the following organ is a part of the excretory system?

1. Kidneys

2. Brain

3. Heart

4. Lungs

Q. Ammonia gets converted to ____ in the liver.

1. urea
2. sodium
3. amino acids
4. calcium

Q.

Ammonia is harmful to our body.

1. True

2. False

Q.

Name the organ concerned with maintaining the water balance in human beings.

Q. Urea is formed in:

1. Kidney
2. Lungs
3. Liver
4. Spleen

Q. Beating of the heart is contraction and relaxation of the heart muscle tissue.

1. True
2. False

Q.

In liver, ammonia gets converted to ____.

1. urea

2. sodium

3. amino acids

4. calcium

Q. Arrange the parts of the excretory system in the order of its role in urine formation to excretion.

1. Kidneys
2. Ureters
3. Bladder
4. Urethra

Q.

Haemodialysis is associated with

1. Liver

2. Spleen

3. Kidney

4. Stomach

Q.

Which organ converts ammonia to urea?

1. Kidney

2. Liver

3. Pancreas

4. Stomach

Q. We have control over every muscle of our body.

1. False
2. True

Q.

Which of the following organ is a part of the excretory system?

1. Lungs

2. Heart
3. Brain

4. Kidney

Q.

Out of the following choose the correct path of urine in our body:

1. Kidney ⇢ ureter ⇢ urinary bladder ⇢ urethra

2. Kidney ⇢ urinary bladder ⇢ ureter ⇢ urethra

3. Kidney ⇢ urethra ⇢ ureter ⇢ urinary bladder

4. Ureter ⇢ kidney ⇢ urinary bladder ⇢ urethra

Q. Amino acid after being utilized by the body leaves ammonia that is harmful to our body.

1. True
2. False

Q.

Which muscle opens up when we have the urge to pee?

1. Sphincter muscle

2. Rectal muscle

3. Kidney muscle

4. Ureter muscle

Q. The forebrain helps us to control our muscles.

1. True
2. False

Q. The small ring of muscle at the end of uretra is sphincter muscle.

1. True
2. False