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1. What is transport system? How does this help the organism?(AS1) |
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2. What is the relationship between blood and plasma?(AS1) |
3. Which type of blood vessels carry blood away from the heart?(AS1) |
4. What are the three main types of blood vessels in the body?(AS1) |
5. Which is the largest artery in the body? Why is it the largest ?(AS1) |
6. Which blood vessel carries blood for oxidation?(AS1) |
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7. Name the structures which are present in veins and lymph ducts and absent in arteries.(AS1) |
8. What is the use of platelets?(AS1) |
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9. Write differences between (AS1) |
a) systole - diastole b) veins - arteries c) xylem - phloem |
10. Explain the way how the plants absorb water from soil ?(AS1) |
11. What is root pressure? How it is useful to the plant?(AS1) |
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12. Phloem is a food source for some animals. How can you justify this statement?(AS1) |
13. Read the given para and name the parts of the heart.(AS1) |
We have observed that the heart is divided into four chambers by muscular structure. Any |
structure that divides two chambers is known as septum. Now let us try to name the septa present |
in the heart. |
a) The septum that divides the two atria can be named as _____________ |
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70 X Class Transportation - The circulatory system |
b) The septum that divides the two ventricles can be named as___________. |
c) The septum that divides the atrium and ventricle can be named as________. |
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A |
The holes that connect two chambers are called apertures.. Let us try to name the apertures |
which connect the atria and ventricles. |
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d) The aperture that connects the right atrium and right ventricle can be named as_______. |
e) The aperture that connects the left atrium and left ventricle can be named ___________. |
Any structure that closes an aperture, and allows one way movement of materials is called as |
valve.. Now let us name the valves that are present in the chambers of the heart. |
f) The valve that is present between left atrium and left ventricle can be named as____________. |
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g) The valve that is present between right atrium and right ventricle can be named as ___________. |
14. If the valves in veins of the legs fail to stop the flow of blood what could be the consequences of this |
failure?(AS2) |
15. What would happen if cell sap in the cells of root hair contain a high concentration of ions?(AS2) |
16. John made a stethoscope using a paper cup and plastic tube. Write down the procedure he |
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followed. (AS3) |
17. How did scientists prove that the food is transported through the phloem?(AS3) |
18. What is your inference about experiments with aphids?(AS3) |
19. Collect information about blood pressure of your school teachers or nighbours. Prepare a report |
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on their health problems due to changes in blood pressure. (AS4) |
20. Draw a block diagram to explain single and double circulation. Write differences between them.(AS5) |
21. Prepare a block diagram showing water absorption by roots to transpiration by leaves . (AS5) |
22. What can circulatory system in man be compared with? (AS6) |
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23. What is Haemphilia? (AS1) |
24. Prepare a cartoon on heart beating? (AS7) |
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25. After reading this lesson what precautions would you suggest to your elders about edima.(AS7) |
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Choose the correct answer |
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1. The term cardiac refers to which organ in the body? ( ) |
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A) heart B) vein C) lymph D) capillary |
2. In which chamber of the human heart the blood is low in oxygen? ( ) |
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