Excretory System in Humans

Q.

How long does it take for white blood cells to return to normal after infection?

Q.

What is hydrophobic and hydrophilic ?

Q.

State the function of the bowman capsule and glomerulus.

Q.

Where does the first step in the process of urine formation occur?

1. Glomerulus

2. Renal tubule

3. Collecting duct

4. Kidneys

Q.

The filtration of blood is carried out in which part of a nephron?

1. Renal corpuscle

2. Collecting tubule

3. Distal convoluted tubule

4. Proximal convoluted tubule

Q.

All of the following are parts of the urinary system except

1. Kidney

2. Ureter

3. Urethra

4. Gall bladder

Q.

The process of breakdown of complex food into simpler substances by the action of enzymes is called

1. absorption

2. excretion

3. ingestion

4. digestion

Q.

The tube that carries urine from kidneys to urinary bladder is ______.

1. urethra

2. ureter

3. renal tubule

4. nephron

Q.

The kidneys in human beings are a part of the system for

1. Transportation

2. Nutrition

3. Respiration

4. Excretion

Q.

Name the various components of the excretory system of man with a neat labelled diagram. [5 MARKS]

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.

The filtrate in the Bowman's capsule first enters the

1. Renal tubule

2. Capsular space

3. Collecting duct

4. Glomerulus

Q. Which of the following factors affect the rate of imbibition?

1. Temperature
2. Pressure
3. Nature of imbibant
4. surface area of imbibant

Q.

Where does ultrafiltration take place?

Q.

How does liver help in the process of excretion?

Q.

The function of ureters in excretory system of humans is

1. Store urine in urinary bladder

2. Produce urine in kidneys

3. Transports urine to urinary bladder

4. All of the above

Q. Match the following coloumns:

$\begin{array}{cc}Description& Organ\\ \text{1. Tube-like structure}& \text{a. Ureter}\\ \text{2. Opening for excretion of urine}& \text{b. Urinary bladder}\\ \text{3. Muscular bag that stores urine}& \text{c. Kidney}\\ \text{4. Bean-shaped organ}& \text{d. Urethra}\end{array}$

1. 1-a, 2-b, 3-c, 4-d
2. 1-c, 2-b, 3-d, 4-a
3. 1-a, 2-d, 3-b, 4-c
4. 1-d, 2-a, 3-c, 4-b

Q. The __(x)___ transports urine from the kidney to the urinary bladder and the___(y)__ transports urine from the urinary bladder to outside.
Identify what is x and y.

1. x = renal artery, y = renal vein
2. x = renal vein, y = renal artery
3. x = ureter, y = urethra
4. x = urethra, y = ureter

Q.

What are the other organs of excretion besides kidneys in human beings?

Q. Which of the following parts of a nephron is responsible for ultra filtration?

1. Peritubular capillaries
2. Collecting duct
3. Renal tubule
4. Glomerulus

Q.

The bean-shaped organ that filters the waste materials out of blood is

1. Kidney

2. Liver

3. Brain

4. Lung

Q. Which of the following is an incorrect pair of an organism and their respective excretory organs?

1. Earthworm - Nephridia
2. Insects - Nephridia
3. Fishes - Kidneys
4. Frogs - Kidneys

Q.

The process of ultrafiltration is performed by ___.

1. Capsular space

2. Collecting duct

3. Glomerulus

4. Renal Tubule

Q.

What can be the product of the given reaction?

Ammonia + carbon dioxide + water $\to$ _________

1. Uric acid

2. Urea

3. Nitrogen

4. Oxygen

Q.

Some parts of the human excretory system are labelled using alphabets. Identify them with the alternatives given in the options;

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

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

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

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

Q.

Identify the labelled parts of the kidney.

1. G: Renal artery, H: Efferent vessels

2. G: Afferent vessels, H: Renal vein

3. G: Renal tubule, H: Collecting duct

4. G: Renal artery, H: Renal vein

Q.

Choose the odd one from each of the following:

Ureter, kidney, urinary bladder, urethra, lung.

Q.

Process of filtration of blood in the Bowmans capsule is called ________.

Q.

The kidneys in human beings are a part of the system for

1. Nutrition.
2. Respiration.
3. Excretion.
4. Transportation.

Q.

A gas that is excreted from lungs.