Vasa recta is present in

A) Heart
B) Lung
C) Brain
D) Kidney


Which of the following is measured by a spirometer?

A) Inspiratory capacity
B) Residual volume
C) Total lung capacity
D) None of these


Reflex arc consists of

A) Sensory nerve
B) Motor nerve
C) Both sensory and motor nerve
D) None of these


Which hormone regulates the volume of urine to be excreted from the kidneys?

A) FSH
B) TSH
C) ADH
D) ACTH


Gastric juice has a pH of about

A) 10
B) 2
C) 7
D) 5


Guard cell regulates

A) Transpiration
B) Respiration
C) Photosynthesis
D) Photorespiration


Kranz anatomy is seen in the leaves of

A) Potato
B) Wheat
C) Mustard
D) Sugarcane