Excretory System of Humans

Q.

The given diagram is of the human excretory system. Which of the following is correct option with respect to the functions of A, B, C and D?

1. A – formation of urine, B- transportation of urine, C- storage, D – expulsion.
2. A – formation of urine, B- expulsion , C- storage, D – transportation of urine.
3. A – transportation of urine, B- formation of urine , C- storage, D – expulsion.
4. A – expulsion, B- transportation of urine, C- storage, D – formation of urine.

Q.
Match the missing labels with their functions:
$\begin{array}{cc}A& \left(i\right)Excretionofurine\\ B& \left(ii\right)Productionofurine\\ C& \left(iii\right)Storageofurine\\ D& \left(iv\right)Transportofurine\end{array}$

1. A - (i), B - (iv), C - (iii), D - (ii)
2. A - (ii), B - (iv), C - (i), D - (iii)
3. A - (ii), B - (iv), C - (iii), D - (i)
4. A - (iv), B - (ii), C - (iii), D - (i)

Q.

The internal sphincter of the urinary bladder is under involuntary control whereas the external sphincter is under voluntary control.

1. True
2. False

Q. Urination is categorized as

1. Voluntary control
2. Urination is under hormonal control
3. Both A and B
4. Involuntary control

Q. The function of ureters in excretory system of humans is to __________ .

1. produce urine in kidneys.
2. transport urine to urinary bladder.
3. transfer urine into the kidney.
4. stimulate micturition in the bladder.

Q.

In mammals, the urinary bladder opens into the ________ .

1. uterus

2. urethra

3. urinary bladder

4. ureter

Q.

Some parts of the human excretory system are labeled in the image given below.

Identify them with the alternatives given in the options.

1. X- Ureter, Y- Urinary bladder, Z- Urethra

2. X- Urethra, Y- Urinary bladder , Z- urinary bladder

3. X- Urethra, Y- Urinary bladder, Z- ureter

4. X- Ureter, Y- Urinary bladder, Z- Urethra

Q. Synthesis of urea takes place in the ________.

1. Liver
2. Kidney
3. Pancreas
4. Small Intestine

Q.

The elastic and flexible organ in the human excretory system is __________.

1. Urinary bladder

2. Nephron

3. Ureter

4. Kidney

Q.

All of the following are components of the urinary system except:

1. Ureter

2. Kidneys

3. Urethra

4. Gall bladder