MEDIUM
10th ICSE
IMPORTANT
Earn 100

Differentiate between: 

Excretion and secretion (utility)

Important Questions on The Excretory System

EASY
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 3

Give reason/explain:

Excretion is a necessary process of our body. 

MEDIUM
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 3

Give reason/explain:

If we donate one kidney to a needy patient it would not cause any harm to us.

MEDIUM
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 3

Give reason/explain:

We urinate fewer times in summer than in winter and the urine passed is generally thicker. 

EASY
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 4
What is a uriniferous tubule? How does it function? 
HARD
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 5
Why is it necessary to maintain a normal osmotic concentration of the blood?
MEDIUM
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 6
Explain the terms ultrafiltration and selective absorption. 
MEDIUM
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 7
What is dialysis? Under what condition is it carried out? 
EASY
10th ICSE
IMPORTANT
Concise Biology Part-II Class 10>Chapter 9 - The Excretory System>Review Questions>Q 1

Look at the figure given below. It is a section of human kidney as seen from the front. 

Question Image

Is it a longitudinal section or a cross-section?