|Tuft of capillaries inside the Malpighian body is known as||Glomerulus|
|Formation of urea occurs in||Liver||Urea is a metabolic waste product, synthesized in the liver and excreted through the kidneys.|
|Which of these is not a normal constituent of urine: sugar, urea or creatinine?||Sugar||In diabetes, sugar is excreted in urine.|
|Which of these is not an excretory organ: intestine, lungs, thyroid or kidneys?||Thyroid||Thyroid is an endocrine gland.|
|Main function of the _______ is to filter the wastes from the blood and excrete them in the form of urine.||Kidneys|
|Bag like structure in which urine is stored.||Urinary Bladder|
|Which is not true regarding kidneys? |
A. They do not have any capsule.
B. They are bean shaped and reddish brown in color.
C. Each kidney is divided into 2 parts - cortex and medulla.
D. They are the main excretory organs.
|A||Each kidney is covered by a thin capsule.|
|Which of these is not true -- A, B, C or D? |
A. Kidney excretes urea.
B. A small fraction of CO2 is removed through the skin.
C. Small amount of salt is excreted through skin.
D. Feces is excreted through the anus.
|B||CO2 is removed through lungs. Skin excretes water and salts.|
|Which of these is not a function of kidneys? |
A. Maintenance of acid base balance.
B. Excretion of nitrogenous waste products.
C. Temperature regulation.
D. Maintenance of water balance.
|C||Temperature regulation is a function of hypothalamus (a part of brain).|
|Identify urethra in this diagram. |
|True or False: Malpighian body is a part of nephron.||True|
|True or false: Capsule in which glomerulus is enclosed is known as external capsule.||False||It is known as Bowman's Capsule. |
|True or false: Kidneys contain 10-12 million nephrons.||False||Nephron is the structural and functional unit of kidney. Each kidney contains about 1.2 million nephrons.|