CHAPTER 8 SUPPORT AND MOVEMENTSUBJECTIVE QUESTIONS8.1 Support System in Animals

1 Complete the following sentences. (a) The skeletal and the are

two parts of the support system.

(b) There are three basic types of skeleton namely hydrostatic skeleton, exoskeleton and .

(c) An vertebrate has a weaker and more flexible skeleton than a land vertebrate.

2 Name the skeletal system of the following organisms.

Hydrostatic skeleton

Exeskeleton Endoskeleton

8.2 Support System in Plants

3 Complete the chart below by stating the various support systems in plants.

Earthworm Elephant Cockroach SnailDeer Jellyfish Caterpillar Crab

8.3 Appreciating the Support System in Living Organisms

4 Name the devices that a crippled person can use for additional support.

(a) ____________________________________________(b) ____________________________________________(c) ____________________________________________

5 What would happen to beached whales if they are not rescued immediately?

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OBJECTIVE QUESTIONS8.1 Support System in Animals

1 The weight of an elephant is supported by all of the following except

A ribs C backbonesB pectoral D pelvic girdle

2 Leeches and earthworms supported by

Various support systems in plants

(a) (b) (c) (d)

(e) (f) (g) (h)

A exoskeleton C hydrostatic skeletonB endoskeleton D hydrostatic pressure

3 Diagram 1 show different type of animals.

Which of the animals above has the lightest skeleton?A Bear C TigerB Elephant D Whale

8.2 Support Systems in Plants

4 Water lily’s and lotus plants stand erect in water becauseA density of waterB buoyancy of waterC they are supported by thornsD they are supported by woody stem

5 Which of the following plants depends on water pressure in its cells for support?A Orchid C SunflowerB Balsam plant D Hibiscus plant

6 Diagram 2 shows two types of plants

Which of the following is a similarity between the two plants above?A Both are thigmotropicB Both are woody plantsC Both contain chlorophyllsD Both have parallel veins leaf

REVISION

1 Diagram 1 shows animal P.

What is the type of support system found in animal P?A Exoskeleton C EndoskeletonB Hydrostatic skeleton D Segmented abdomen

2 Which of the following support systems belong to animals?I ExoskeletonII EndoskeletonIII Hydrostatic skeletonA I and II only C II and III onlyB I and III only D I, II and III

3 Which of the following have tendrils?

I PumpkinII CucumberIII Money plantsA I and II only C II and III only

B I and III only D I, II and III

4 The information below shows the characteristics of support systems in plants.

The information above describes aboveA thorns C tendrilsB buttress roots D air sacs

5 Diagram 2 shows the support systems of two animals.

(a) State the habitats of the elephant and whale. _______________________________________ _______________________________________

(b) Which of them is the larger and heavier animal? _______________________________________ _______________________________________

(c) What other support does the whale have that the elephant does not?

______________________________________

A modified branch Cannot be easily removed from the stem

(d) What is the difference between the skeletal systems of the two animals?

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