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

Write down the functional activity of the following parts, 

Renal artery ……………… 

Why is it necessary to maintain a normal osmotic concentration of the blood? 

If you donate one kidney to a needy patient, would it cause any harm to you? Give reason. 

In summer the urine is slightly thicker than in winter explain the reason. 

Differentiate between the following pairs of terms: 

Bowman’s capsule and malpighian capsule. 

Differentiate between the following pairs of term : 

Renal cortex and renal medulla 

Differentiate between the following pairs of term : 

Renal pelvis and renal papilla 

Fill in the blanks in the following passage to make it a meaningful description.

In a nephron, the ______ flows through the ______ under great pressure. The reason for this great pressure is that the ______ (outgoing) ______ is narrower than the ______ (incoming). This high pressure causes the ______ part of the blood to filter out from the ______ into the ______ capsule.

Define the following term: 

Micturition

Define the following term : 

Renal pelvis 

Define the following term:

Osmoregulation

Differentiate between following pair with reference to the aspect in bracket.

sympathetic nervous system and para – sympathetic nervous system (overall effect on body)

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?

what do we refer to in the nervous system when we say:

somatic and autonomic …………………..

Mention if the following statement is true (T) or false (F) Give reason.

Flavour and taste are one and the same thing.

Given below is a certain structure. Write against them its functional activity.

Olfactory nerve and ______.