Frank solutions for Biology II [English] Class 7 ICSE chapter 8 - Excretory System [Latest edition]

Label the diagram given below :

Name the following:
Animals which excrete ammonia.

Name the following:
Animals which eliminate urea.

Name the following:
 Animals which excrete uric acid.

Name the following:
Organ which produces urea.

Name the following:
Functional unit of kidney.

Name the following:
Organ which stores urine.

Name the following:
Organ where ultrafiltration occurs.

Choose the odd one out in the following series:
Proximal convoluted duct, loop of Henle, vein.

Choose the odd one out in the following series:
Kidney, ureter, heart

Choose the odd one out in the following serie:
Urea, uric acid, haemoglobin.

Choose the odd one out in the following series:
Glomerulus, alveoli, bronchi.

Choose the odd one out in the following series:
Renal fat, renal capsule, nerve.

Choose the odd one out in the following serie:
Column of Bertini, minora calyces, brain.

Given below is a diagram of a human kidney, cut open longitudinally. Answer the following: 

(i) Give definition of excretion.
(ii) Name the unit of kidney.
(iii) Why does the cortex of kidney show dotted appearance?
(iv) List the functions of the kidney. 

Choose the correct answer:
Composition of extracellular fluid is regulated by ___________

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Uric acid is excreted by _______________

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Presence of RBCs in urine is called _____________

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A condition of failure of kidney to form urea is called ____________

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What happens if one kidney is removed from the body of human being?

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Orinithin cycle operates in ________

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Physiologically urea is produced by the action of an enzyme ______________

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Vitamin excreted through urine in mammals is ______________

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Excess proteins are converted into urea in ____________

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The smallest functional unit of the kidney is ____________

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Narrow apex of pyramid in kidney is called ___________