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Given the QUESTION, identify the ANSWER
1. Tuft of capillaries inside the Malpighian body is known as Glomerulus Collecting ducts
Nephron
Renal artery
Answer: Glomerulus 2. Formation of urea occurs in Liver Kidneys
Small intestine
Pancreas
Answer: LiverUrea is a metabolic waste product, synthesized in the liver and excreted through the kidneys. 3. Which of these is not a normal constituent of urine: sugar, urea or creatinine? Urea
Creatinine
Sugar
Answer: SugarIn diabetes, sugar is excreted in urine.
4. Which of these is not an excretory organ: intestine, lungs, thyroid or kidneys? Intestine
Lungs
Thyroid Kidneys
Answer: ThyroidThyroid is an endocrine gland. 5. Main function of the _______ is to filter the wastes from the blood and excrete them in the form of urine. Lungs
Urinary Bladder
Kidneys Endocrine glands
Answer: Kidneys 6. Bag like structure in which urine is stored. Kidney
Ureter
Urinary Bladder Stomach
Answer: Urinary Bladder 7. 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 B
C
D
Answer: AEach kidney is covered by a thin capsule. 8. 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. A
B C
D
Answer: BCO2 is removed through lungs. Skin excretes water and salts. 9. 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. A
B
C D
Answer: CTemperature regulation is a function of hypothalamus (a part of brain). 10. Identify urethra in this diagram. 1
2
3
4
Answer: 4 11. True or False: Malpighian body is a part of nephron. True False
Answer: True 12. True or false: Capsule in which glomerulus is enclosed is known as external capsule. True
False
Answer: FalseIt is known as Bowman's Capsule. 13. True or false: Kidneys contain 10-12 million nephrons. True
False
Answer: FalseNephron is the structural and functional unit of kidney. Each kidney contains about 1.2 million nephrons.
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