Quiz for Excretion

Q1: Which of the following is the functional unit of kidney?

A. Neuron B. Nephron C. Nephridia D. Glomerulus

Q2: Which hormone regulates the reabsorption of water in the kidney?

A. Adrenaline B. Insulin C. ADH D. Thyroxine

Q3: The process of filtration in kidneys takes place in?

A. Loop of Henle B. Bowman’s capsule C. Collecting duct D. Distal tubule

Q4: Which part of nephron helps in the selective reabsorption of glucose and amino acids?

A. Proximal convoluted tubule B. Distal convoluted tubule C. Loop of Henle D. Collecting duct

Q5: Urea is produced in the?

A. Liver B. Kidney C. Pancreas D. Stomach

Q6: Which is not a part of the excretory system?

A. Ureter B. Urethra C. Bladder D. Vas deferens

Q7: Which of the following is not excreted by the human body?

A. Carbon dioxide B. Water C. Bile pigments D. Glucose

Q8: Which condition occurs due to failure of kidney function?

A. Uremia B. Anemia C. Jaundice D. Diabetes

Q9: Which of the following helps in regulating blood pressure via the renin-angiotensin system?

A. Glomerulus B. Juxtaglomerular apparatus C. PCT D. Loop of Henle

Q10: The micturition reflex is regulated by?

A. Spinal cord B. Medulla C. Cerebrum D. Cerebellum

Q11: Which of the following animals excretes uric acid?

A. Man B. Frog C. Bird D. Dog

Q12: Presence of glucose in urine indicates?

A. Diabetes insipidus B. Diabetes mellitus C. Uremia D. Nephritis

Q13: Which organ helps in detoxification of harmful substances?

A. Kidney B. Liver C. Lungs D. Heart

Q14: What is the role of Henle’s loop in the nephron?

A. Reabsorption of water B. Filtration of blood C. Secretion of urea D. Conduction of urine

Q15: The outer layer of the kidney is called?

A. Cortex B. Medulla C. Pelvis D. Capsule

Q16: What is the main nitrogenous waste in humans?

A. Uric acid B. Ammonia C. Urea D. Creatinine

Q17: Which part of nephron is involved in maximum reabsorption?

A. Loop of Henle B. Distal tubule C. Proximal tubule D. Collecting duct

Q18: Which of the following is not involved in excretion?

A. Skin B. Lungs C. Intestine D. Esophagus

Q19: Renal calculi are?

A. Kidney infection B. Kidney stones C. Kidney inflammation D. Kidney tumor

Q20: Which of the following is excreted through the lungs?

A. Urea B. Carbon dioxide C. Bile D. Salts