17877379-Form-2-Chapter-8

Form 2 ScienceChapter 8

FORM TWO CHAPTER 8SUPPORT SYSTEM

1. Diagram 1 shows organisms X and Y.

(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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X: ……………………………….. Y: ………………………………..

Diagram 1

Form 2 ScienceChapter 8

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

(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.

[4 marks]

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Frog, prawn, spider, jellyfish

Type of support system

Name of the animals

Diagram 2

Form 2 ScienceChapter 8

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

(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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PQ

Diagram 3

Form 2 ScienceChapter 8

[1 mark]

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

(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.

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SQ RP

Diagram 4

P, Q, R, and S

Common characteristic

Alphabets representing the

plants

Form 2 ScienceChapter 8

[4 marks]

5. Diagram 5 shows the support system of a whale.

(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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P: ………………………………..

Q: ………………………………..

Diagram 5

Form 2 ScienceChapter 8

………………………………………………………………………………………………………………

………………………………………………………………………………………………………………

[1 mark]

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