Excretory Products and their Elimination

Angiotensinogen is a protein produced and secreted by

• macula densa cells

• endothelial cells (cells lining the blood vessels)

• liver cells

• liver cells

Blood leaving liver and going towards heart is rich in

• bile

• urea

• ammonia

• oxygen

Major nitrogenous waste product in ureotelic animals like rabbit and other mammals is

• uric acid

•  urea

•  ammonia

• amino acids

Bowman's capsule is found in :

• glomerulus

• uriniferous tubule

• nephron

• malpighian capsule

Cells present in the inner lining of kidneys are :

• podocytes

• choanocytes

• pinocytes

• nephrocyte

Urine is concentrated in

• kidney

• deamination

• arginine

•  Omithine

Average pH of human urine is :

• 6.0

• 9.0

• 3.0

• 7.0

Bowman's capsule is found in

• glomerulus

•  uriniferous tubule

• nephron

•  Malpighian capsule

Which leaves the liver and moves towards kidney

• Ammonia

• Urea

• Glycogen

• Bile

Which one of the following statements is correct with respect to salt water balance inside the body of living organisms?

• when water is not available camels do not produce urine but store urea in tissues.

• Salmon fish excretes lot of stored salt through gill membrane when in fresh water

• Paramecium discharges concentrated salt solution by contractile vacuoles

• The body fluids of fresh water animals are generally hypotonic to surrounding water