Which of the following is not the primary function of protonephridia?

  • Ionic volume regulation

  • Fluid volume regulation

  • Osmoregulation

  • Excretion

Annelids have which of the following excretory organs?

 

  • Nephridia

  • Protonephridia

  • Flame cells

  • All of these

Excretory function of crustacea is performed by

 

  • Antennal glands

  • Green glands

  • Both A and B

  • Malpighian tubules

The insects, the cockroach will have which of the following excretory structures?

 

  • Malpighian body

  • Malpighian corpuscles

  • Malpighian capsule

  • Malpighian tubules

Human excretory system does not involve

 

  • Urethra

  • Vestibule

  • Bladder

  • Kidneys

Kidneys are situated in

 

  • Between the last thoracic and 5th lumbar vertebra

  • Between the last thoracic and 3rd lumbar vertebra

  • Between the last thoracic and 2nd lumbar vertebra

  • Between the last thoracic and first lumbar vertebra

 Which of the following options shows the incorrect measurements of an adult human kidney?

  • 10-12 cm in length

  •  Kidney weigh 240- 340 g

  •  Thickness of kidney is 2-3 cm

  • 5-7 cm in width

Medullary pyramids project into

 

  • Calyces

  • Medulla

  • Cortex

  • Both cortex and medulla

If one goes from inside to outside then which of the following parts comes first?

 

  • Hilum

  • Calyces

  • Pelvis

  • Cortex

If one goes from the outer side to the inside, which of the following parts comes first?

 

  • Hilum

  • Calyces

  • Pelvis

  • Cortex

Our excretory system has

 

  • Two million nephrons

  • One million nephrons

  • Two million neurons

  • One million neurons

Nephron is a

 

  • Structural unit of the kidney

  • Functional unit of the kidney

  • Both structural and functional unit of the kidney

  • Structural unit of Neuron

An afferent arteriole is a fine branch of

 

  • Renal vein

  • Renal artery

  • Renal capsule

  • Reanal Glomerulus

Which of the following will take away blood from glomerulus?

 

  • Renal artery

  • Renal vein

  • Efferent Arteriole

  • Afferent Arteriole

Which of the following is not a part of nephron?

 

  • Glomerulus

  • PCT

  • Collecting Duct

  • DCT

Glomerulus along with Bowman's Capsule is called as

  • Malpighian body

  • Renal capsule

  •    Renal column

  • Malpighian Tubule

The path of urine has which of the following part of the kidney as the first organ to be encountered ( other than nephron and collecting Duct)?

 

  • Renal calyces

  • Medullary pyramids

  • Pelvis

  • Ureter

The network of peritubular capillaries is formed by

 

  • Efferent Arteriole

  • Afferent Arterial

  • Efferent Arteries

  • Afferent Arteries

Vasa recta is

 

  • A minute vessel

  • A minute artery

  • A minute vein

  • A minute veinule

Cortical nephron

 

  • Either do not have vasa recta

  • Highly reduced vasa recta

  • Both A and B

  • Dipped in the inner part of the kidney

Which of the following is not a part of urine formation?

  • Glomerular Filtration

  • Reabsorption

  • Secretion

  • Counter current mechanism

How much blood is pumped out by each ventricle of the heart in a minute goes to the kidney?

 

  • 1/5th

  • ⅓ rd

  • ¼th

  • 1/6th

Which of the following layers comes first when we see from the glomerular side?

  • Endothelium

  • Epithelium of Bowman's capsule

  • Basement membrane

  • Podocyte

The process of reabsorption is carried by

  • Tubular endothelial cells

  • Tubular epithelial cells

  • Tubular lacunae cells

  • Tubular glandular cells

The process of reabsorption occurs by

  • Active mechanism

  • Passive mechanism

  • Both A and B

  • Always Facilitated transport

Which of the following substances are not reabsorbed by active means of transport?

  • Glucose

  • Amino Acids

  • Nitrogenous waste

  • Na+

Which of the following substances are not reabsorbed by passive means of transport in tubules?

  • Water

  • Nitrogenous waste

  • Glutamate

  • Urea

Tubular secretion does not allow

  • Ionic balance of body fluids

  • Acid base balance of body fluids

  • Water amount in urine

  • Both B and C

Tubular secretion occurs

  • After urine formation

  • Before urine formation

  • During urine formation

  • Both A and B

Which of the following is not reabsorbed by PCT

  • Glucose

  • Amino acid

  • 100% electrolytes

  • Water

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Practice Zoology Quiz Questions and Answers