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SUNSHINE PRIVATE COLLEGE

LIFE SCIENCE GRADE 8 APRIL 2020 HOLIDAY WORK

NAME………………………………………………………………………………..GRADE……….DATE……………………………

TOPIC: CLASSIFICATION

SECTION A (MULTIPLE CHOICE – 6 MARKS)

1. The largest group into which organisms are classified is:A. FamilyB. GenusC. KingdomD. Species

2. Taxonomy deals withA. Carrying out investigation.B. Drawing conclusions from experimenting.C. Identifying and naming things.D. Organizing and grouping organisms.

3. The diagram below shows an organism.

Using the key, what is this organism?

1. Six legs………………………………………………………….go to 2A. More than six legs…………………………………………organismB. 2. Stripes present…………………………………………..organism

Stripes absent…………………………………………………go to 3C. 3. Spots present……………………………………………….organismD. Spots absent……………………………………………………..organism

4. Which of the following explains the cell theory?A. Cells are eukaryotic.B. Cells are prokaryotic.C. Cells are building blocks of all living things.D. Cells are food for all living things.

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5. In which cell organelle is energy released?

6. Which one best describes a cell wall?A. Fully permeable.B. Partially permeable.C. Selectively permeable.D. Semi-permeable.

SECTION B (STRUCTURED QUESTIONS – 19 MARKS)

Answer ALL questions in the spaces provided on the question paper.

1 .(a) Define the following terms:

(i) Classification…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..(1)

(ii) Taxonomy…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………(1)

(b) Give two reasons why classification is important.

1……………………………………………………………………………………………………………………………………………………………………………………………………..

2………………………………………………………………………………………………………………………………………………………………………………………………….(2)

(c) Name the five kingdoms to which all living organisms belong.

1…………………………………………………………………………………………………

2…………………………………………………………………………………………………

3…………………………………………………………………………………………………

4…………………………………………………………………………………………………

5……………………………………………………………………………………………(5)

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2. The diagrams below show six different types of fish. Use the key below to identify each fish.

Write the names in the table below next to the correct label.

1. No gill slits…………………………………………………………………..go to 2Five gill slits…………………………………………………………………go to 3

2. Body above seven times as long as deep…………………………….go to 4Body above 2 times as long as deep…………………………………….go to 5

3. Eye about front end mouth…………………………………………..Basking sharkEye above back edge of mouth………………………………………Greenland shark

4. One fin along the back……………………………………………….Bearded rocklingTwo fins along back………………………………………………….Hake

5. Back fin with short spines…………………………………………….Sea breamBack fin with long spines…………………………………………….John Dory

Complete the table below

ABCDEF Sea bream

(TOTAL 5 MARKS)

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3. Study the pictures of feet of birds below.

(TOTAL 25 MARKS)

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NOTES

1. The five kingdoms

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2. The classes of plants and animals

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3. Classification keys 1 and 2

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4. Classification key 3

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5. The dichotomous key

A dichotomous key is an identification key that consists of a sequence of statements which uses two contrasting ( opposite) options.

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