Transport Living Organism past paper 2

SECONDARY 2 EXP

TRANSPORT LIVING ORGANISM

Nama : __________________

1. Which of the following organs/tissues make up the human circulatory system ?

A. Heart and lungs

B. Heart, blood and lungs

C. Heart, blood and blood vessel

D. Brain, heart, blood vessel and lungs

2. Which of the following statements is false ?

A. Murticellular animal have complicated transport system

B. Substance are move from cell to cell by the transport system

C. In a transport system, useful substances are absorbed and wastes are removed

D. The amoeba requires a complex transport system for the movement of substances

3. ___________ carry blood to the heart and ____________ carry blood away from the heart

A. Arteries; veins

B. Veins; arteries

C. Arteries; capillaries

D. Capillaries; arteries

4. Which of the following shows the cells present in a wilted plant ?

5. The diagram show three types of blood vessel 1,2,3

Which of the following describes the characteristics for each type of vessel ?

6. In a plant, water travels through the ______________ in a /an __________ direction

A. Phloem, upward

B. Phloem, downward

C. Xylem, upward

D. Xylem, downward

7. Which of the following reasons best explains why a plant needs a transport system ?

A. To move from place to place

B. To transport food all over the plant

C. To transport waste materials to the soil

D. To prevent itself from wilting

8. Which of the following is the function of platelets?

A. To transport oxygen

B. To clot blood

C. To transport hormones

D. To fight against infectious bacteria

9. The diagram show the transport of water in a flowering plant. At which pathway of the movement of water does not involve osmosis ?

10. Which of the following about blood capillaries is correct ?

A. They are the only blood vessel that allow exchange of substance

B. They have thinner muscular wall compared to arteries

C. They have valve to ensure blood flowing in one direction

D. They transport blood away from the heart

11. Which of the following can control the movement of substance across them ?

A. I, II

B. I,III

C. II,III

D. I,II,and III

12. A young plant with its roots intact is placed in a beaker of red dye solution. After one day, the roots are cut to examine the transport of the red dye in the plant. Which of the following would show the structure in the roots which is stained red ?

13. A plant root was cut into a number of different tissues. Each tissue was tested for the presence of various substances. Which result most likely is obtained from the xylem tissue?

14. Which of the following substances is not transported by the plasma in blood ?

A. Proteins

B. Oxygen

C. Simple sugar

D. Hormones

15. A potato strip is placed in a beaker containing salt solution. The concentration of salt solution is higher in the beaker than inside the potato cells. Which of the graphs shows the possible mass change in the potato strip after two hours ?

16. The diagram shows the appearance of a human cheek cell after placing in a solution.

Which of the following deductions is not correct ?

A. The cell was plasmolysed

B. Water molecules move out from the cell

C. The cell could have been placed in distilled water

D. The water concentration in and outside the cell becomes equal when the appearance of the cell stays the same

17. Some mineral salts are absorbed into the root hairs through active transport. Which of the following describes this type of transport ?

18. Which of the following substances enter a plant through the roots ?

A. I, II

B. I,III

C. II,III

D. I,II and III

19. Which of the following statement about diffusion is not correct ?

A. It is passive movement of substances

B. It can take place with or without the presence of a semi permeable membrane

C. The movement of a substance is affected by the concentration of other substance

D. It can only take place if a substance has different concentrations in different regions

20. The diagram shows a cell type which is one of the component of blood

What is the function of this cell type ?

A. To transport oxygen

B. To kill bacteria

C. To clot blood

D. To transport carbon dioxide

STRUCTURE QUESTIONS

1. The diagram below shows the structure of the human heart

2. The diagram below shows a potometer.

A. What does it measure ?

_________________________________________________________________

B. Explain how it works

__________________________________________________________________

C. What is the main assumption ?

3. An experiment was set up to investigate osmosis two visking tubings. One of them contains liquid A and the other containing liquid B. both visking tubings had the same masses and were immersed completely in a beaker containing liquid C as shown in the diagram.