Download - Skema Biologi Kertas 3 Percubaan SPM Kelantan 2011

ANSWER PAPER 3:

QUESTION 1

No.

1(a)

1(b)(i)

1(b)(ii)

Mark Scheme

Able to record all three reading for the number of Lemna sp. correctly.

Medium acidity No. of Lemna sp.

Acidic 25

Alkaline 23

Neutral 38

Able to list 2 reading correctly

Able to list 1 correctly

No response or incorrect response

Able tostate two different observation correctly

Sample answers:

1. The numberof Lemna sp. plant in acidic medium is 25

2. The numberof Lemna sp. plant inacidic medium is 23

3. The numberof Lemna sp. plant in neutral medium is 38

Able to state one observation correctly and one-two inaccurate observation

Sample answers:

1. The number of Lemna sp. plant in alkaline medium is 25.

2. The number ofLemna sp. in acidic medium is low / decreasing.

Able to state the observations at idea level

Sampel answer:

1. The number or Lemna sp. plant in acidic medium is decreasing

2. The number ofLemna sp. plant depends on the acidity ofmedium.

No responseor incorrect response

Able to make twoinferences correctly

35

Score

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