FRANK Solutions for Class 10 Biology Chapter 8 - Excretory System
Improve your board exam score by revising Biology concepts with our textbook solutions. TopperLearning’s Frank Solutions for ICSE Class 10 Biology Chapter 8 Excretory System will come in handy when you sit to revise Biology. With our Frank Solutions, learn chapter concepts such as excretory organs, excretion, nephron etc. Also, revise the functions of the kidney.
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Chapter 8 - Excretory System Exercise 97
Kidneys, skin and lungs are important excretory organs.
Its chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.
Chapter 8 - Excretory System Exercise 98
(i) Animals which excrete ammonia.
(ii) Animals which eliminate urea.
(iii) Animals which excrete uric acid.
(iv) Organ which produces urea.
(v) Functional unit of kidney.
(vi) Organ which stores urine.
(vii) Organ where ultrafiltration occurs.
(vi) Urinary Bladder.
(i) Proximal convoluted duct, loop of Henle, vein.
(ii) Kidney, ureter, heart
(iii) Urea, uric acid, haemoglobin.
(iv) Glomerulus, alveoli, bronchi.
(v) Renal fat, renal capsule, nerve.
(vi) Column of Bertini, minora calyces, brain.
(iii) The cortex of kidney shows dotted appearance because it contains numerous complex structures called nephrons.
(iv) Formation of urine and osmoregulation are important functions of kidney.
(i) Composition of extracellular fluid is regulated by
(a) kidney (b) brain
(c) lungs (d) thyroid
(ii) Uric acid is excreted by
(a) pigeon (b) frog
(c) rabbit (d) man
(iii) Presence of RBCs in urine is called
(a) pyuria (b) glycosuria
(c) haematuria (d) albuminuria
(iv) A condition of failure of kidney to form urea is called
(a) creatine (b) hematuria
(c) keturia (d) anuria
(v) What happens if one kidney is removed from the body of human being?
(a) Death due to poisoning (b) Uraemia and death
(c) Stoppage of urination (d) Nothing will happen
(vi) Orinithin cycle operates in
(a) liver (b) stomach
(c) pancreas (d) oral cavity
(vii) Physiologically urea is produced by the action of an enzyme
(a) uricose (b) urease
(c) arginase (d) none
(viii) Vitamin excreted through urine in mammals is
(a) vitamin A (b) vitamin C
(c) vitamin D (d) vitamin K
(ix) Excess proteins are converted into urea in
(a) lungs (b) liver
(c) kidneys (d) intestine
(x) The smallest functional unit of the kidney is
(a) glomerulus (b) Bowman's capsule
(c) nephron (d) collecting tubule
(xi) Narrow apex of pyramid in kidney is called
(a) pelvis (b) renal papilla
(c) column of Bertini (d) duct of Bellini
(ii) (a) pigeon
(iii) (c) haematuria
(iv) (d) anuria
(v) (d) Nothing will happen
(vi) (a) liver
(vii) (b) urease
(viii) (b) vitamin C
(ix) (b) liver
(x) (c) nephron
(xi) (b) renal papilla
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