Form 2 Chapter 8

Form 2 Science Chapter 8

FORM TWO CHAPTER 8 SUPPORT SYSTEM 1. Diagram 1 shows organisms X and Y.

X: ………………………………..

Y: ………………………………..

Diagram 1 (a) Name organisms X and Y in Diagram 1 [1 mark] (b) (i) State the types of support system in the organisms X and Y. X: ……………………………………………………………………………………………….. Y: ……………………………………………………………………………………………….. [2 marks] (ii) Give another example of organism for each type, according to the support system mentioned in b(i). X: ……………………………………………………………………………………………… Y: ………………………………………………………………………………………………. [2 marks] (c) (i) State the support system in the human. ………………………………………………………………………………………………….. [1 mark] (ii)

Which part of the support system in the human actually supports most of the weight of the human body? …………………………………………………………………………………………………. [1 mark]

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2. Diagram 2 shows four types of animals that have different support systems.

Diagram 2 (a) Name the support system that is found in each animal in Diagram 2. (i)

Frog: ……………………………………………………………………………………… ….

(ii)

Prawn: …………………………………………………………………………………… …..

(iii)

Spider: …………………………………………………………………………………… …..

(iv)

Jellyfish: ………………………………………………………………………………… ……. [4 marks]

(b) Classify the animals in Diagram 2 into two groups based on their support system.

Frog, prawn, spider, jellyfish

Type of support system

Name of the animals

[4 marks] JPN Pahang 2009

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3. Diagram 3 shows the cross sections of stems of plant P and Q

Q

P Diagram 3

(a) Label the structure of plants P and Q in diagram 3 using the words below. Air space

Pith

Woody bark [3 marks]

(b) Name two examples of plants with support system similar to P. (i)

…………………………………………………………………………………………… …….

(ii)

…………………………………………………………………………………………… ……. [2 marks]

(c) (i) Based on Diagram 3, which is an aquatic plant? ………………………………………………………………………………………….. ……… [1 mark] (ii) Give one reason for your answer in (c)(i). …………………………………………………………………………………………………. ………………………………………………………………………………………………….

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[1 mark]

4. Diagram 4 shows the support system of plants P, Q, R and S.

P

Q

R

S

Diagram 4 (a) Based on the observations in Diagram 4, name the support system of each plant. P: …………………………………………………………………………………………………… Q: ………………………………………………………………………………………………….. R: ………………………………………………………………………………………………….. S: …………………………………………………………………………………………………… [4 marks] (b) Classify P, Q, R, and S based on their support system. Write the alphabets representing the plants belonging to each group.

P, Q, R, and S

Common characteristic

Alphabets representing the plants JPN Pahang 2009

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[4 marks] 5. Diagram 5 shows the support system of a whale. P: ………………………………..

Q: ……………………………….. Diagram 5 (a) On Diagram 5, label P and Q using the following words. Pectoral girdle

Pelvic girdle [2 marks]

(b) What type of skeleton does a whale have? ……………………………………………………………………………………………………… [1 mark] (c) The whale has very small pelvic and pectoral girdle compared to its size. How does it support its body? ……………………………………………………………………………………………………… [1 mark] (d) (i) Every year many whales get beached or stranded in shallow water. What usually happens to a whale when it is beached or stranded? …………………………………………………………………………………………………… [1 mark] (ii) Give an explanation to your answer in (d)(i).

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Form 2 Science Chapter 8 ……………………………………………………………………………………………………………… ………………………………………………………………………………………………………………

[1 mark]

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