Explore topic-wise MCQs in Biology.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Juxta-medullary nephrons constitute what percentage of the total nephrons?

A. 80%
B. 50%
C. 15-20%
D. 75-95%
Answer» D. 75-95%
2.

The outer layer of Bowman’s capsule is made up of which of the following epithelium?

A. Squamous epithelium
B. Transitional epithelium
C. Cuboidal epithelium
D. Columnar epithelium
Answer» B. Transitional epithelium
3.

Which of the following vessels carry blood with minimum urea?

A. Renal artery
B. Renal vein
C. Hepatic vein
D. Hepatic portal vein
Answer» C. Hepatic vein
4.

Which of the following prevents the backflow of urine?

A. Valves
B. Muscles
C. Urinary sphincter
D. Oblique opening of ureters
Answer» E.
5.

The kidney is retroperitoneal.

A. True
B. False
Answer» B. False
6.

What does the question mark in the given figure represents?

A. Afferent arteriole
B. Efferent arteriole
C. Glomerulus
D. Bowman’s capsule
Answer» E.
7.

Which of the following runs parallel to the Henle’s loop?

A. Renal artery
B. Renal vein
C. Vasa recta
D. Ureters
Answer» D. Ureters
8.

The peritubular capillaries emerge from which of the following?

A. Efferent arteriole
B. Afferent arteriole
C. Henle’s loop
D. Renal artery
Answer» B. Afferent arteriole
9.

Where do the juxtamedullary nephrons dip?

A. Medullary pyramids
B. Calyces
C. Deep in the medulla
D. Renal pelvis
Answer» D. Renal pelvis
10.

In the majority of nephrons, the loop of Henle is too large.

A. True
B. False
Answer» C.
11.

Which of the following is not situated in the cortical region of the kidney?

A. PCT
B. DCT
C. Malpighian corpuscle
D. Loop of Henle
Answer» E.
12.

Where do the DCTs of nephrons open into?

A. PCT
B. Henle’s loop
C. Conducting duct
D. Glomerulus
Answer» D. Glomerulus
13.

Which of the following is succeeded by PCT?

A. Henle’s loop
B. Glomerulus
C. DCT
D. Collecting duct
Answer» B. Glomerulus
14.

What is the full form of PCT?

A. Proximal Coronary Tube
B. Proximal Convoluted Tubule
C. Proximal Carotid Tube
D. Part Covering Thymus
Answer» C. Proximal Carotid Tube
15.

Which of the following structure encloses glomerulus?

A. Bowman’s capsule
B. Medullary pyramids
C. Cortex
D. Renal capsule
Answer» B. Medullary pyramids