(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Biology

What is dialysis? Under what condition is it carried out? 

Look at the figure given bellow, it is a section of human kidney as seen from the front.  

Is it a longitudinal section or a cross-section?

Given below is a simplified diagram of the human kidney cut open longitudinally. Answer the questions that follow.

1. Define excretion.
2. Why does the cortex of the kidney show a dotted appearance?
3. Why does the medulla of the kidney show a striped appearance?
4. Write two differences in the composition of the blood flowing through the blood vessels 'A' and 'B'.

Study the diagram given alongside and then answer the question that follow:

Name the region in the kidney where the above structure is present?

  

The following diagram represents a mammalian kidney tubule (nephron) and its blood supply. 

Parts indicated by the guidelines 1 to 8 are as follows:
1. Afferent arteriole from renal artery
2. efferent arteriole
3. Bowman’s capsule
4. Glomerulus;
5. Proximal convoluted tubule with blood capillaries;
6. Distal convoluted tubule with blood capillaries;
7. collecting tubule;
8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Where does ultrafiltration take place?

 Correct and rewrite the statements by changing the biological term that is underlined for the statement: 
The kidney is composed of number of neurons. 

Name the following:

The force developing in shoot responsible for most of the absorption of water.

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

Choose the correct answer:
A condition of failure of kidney to form urea is called ____________

Choose the correct answer:
What happens if one kidney is removed from the body of human being?

Choose the correct answer:
The smallest functional unit of the kidney is ____________

Choose the correct answer:
Narrow apex of pyramid in kidney is called ___________

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

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.

Name the following:
Functional unit of kidney.

Label the diagram given below :