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1st Review Test Of ISCE Class VIII Biology, Chapter: Life Process

S
Somnath Taladhi
07/07/2017 0 0

Life Processes: Transport of Food and Minerals

 

Subject: Biology                                                                                                    Class: VIII

Time Duration: 1 hours                                                                                      Total marks: 60

 Name the following: _________________________________________________________ [1×5=5]

1. Name the process of absorption of water by roots.

2. Name the pumping machine of blood circulatory system.

3. Name the organ from which the oxygenated blood goes into the heart.

4. Name the substance present in Plasma.       

5. Write the % of Plasma present in Blood.

State whether the following statements are true or false. If false, rewrite the statement: ___ [1×5=5]

1.Blood platelets help in pumping blood.

2.Heart has Four chambers.

3. Blood group A is compatible with B and O.

4. Diffusion and Active Transport are the process of transport minerals.

5. Capillaries are the network between Arteries and Veins.

Give functions of the following terms: _________________________________________ [2×5=10]

1. Xylem. 

2. Heart. 

3. Circulatory system. 

4. Osmosis. 

5. Blood vessels.

Fill in the blanks: ____________________________________________________[1×5=5]          

(1) Lower chambers of heart are called __________.

(2) Water is lost from the leaves by____________. 

(3)  Tricuspid valve is found on the __________ side of the Heart. 

(4) ____________ vein carries Oxygenated blood. 

(5) __________-group is called Universal Recipient.

Define the following terms: __________________________________________________ [2×5=10]

1. Platelets.

2. Heart.  

3. Transpiration Pull. 

4. Circulatory system. 

5. Osmosis.

Match the items in Column A with those in Column B: ______________________________[1×5=5]

Column A

Column B

1.Heart

I)Arteries and Veins

2.Arteries

ii)Red in colour

3.Food transport in plant

iii)Phloem

4.Pipes for transport in man

iv)Pure blood

5.RBC

v)A living Pump

 
Answer the following: __________________________________________ [4×3=12]

1. Explain how water is absorbed by the roots.

2. Write the name of blood groups. Write the name of the substance responsible for blood grouping.

3. Which blood group is called universal donor? How it is differed from others.

4. What is Pulse? What are Systole and Diastole?

Briefly describe the following: _________­________________________________________ [2×4=8]

1. Circulation of blood in human body (with a simple diagram).

2. Ascent of sap in plant. What is diffusion?

_______

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