HKDSE BIO. II Section A

a. (i) Well answered. However, spelling mistakes were

common. Same was found in Chinese.

AV node instead of SA node answered.

(L3 S2; L2S2)

HKDSE BIO. II Section A

(a) (ii) Poorly answered.

nervous impulse instead of electrical impulse;

L2S2 , for unclear flow jump

L3S2 for AV node replacing SA node;

L3S3, L4S3 for giving irrelevant Answer;

L3S2 for AV node replacing SA node;

L3S3, L4S3 for giving irrelevant Answer;

HKDSE BIO. II Section A

unclear flow jump

nervous impulse instead of electrical impulse;

HKDSE BIO. II Section A

AV node replacing SA node;

L3S3, L4S3 for giving irrelevant Answer;

Here should

be av node

HKDSE BIO. II Section A

irrelevant Answer;

HKDSE BIO. II Section A

irrelevant Answer;

HKDSE BIO. II Section A

relevant Answer;ir

(iv) Poorly answered: very few can state more adrenaline produced (only L5S1). Mechanism not well understood.

L2S2 nervous control instead of hormonal control.

(b) (i) well answered. Some lost mark when failed to give respective action of FAH and LH. (L5S1)

(ii) (1) not aware that Katty was pregnant (L4S2);

(2) Fairly answered.mistake as above.

(iii) Well answered. Mark deducted for using flowchart;

Some failed to give reference to the state is diastolic

(b) (i) well answered. Some lost mark when failed to give respective action of FAH and LH. (L5S1)

(ii) (1) not aware that Katty was pregnant (L4S2);

(2) Fairly answered.mistake as above.

(iv) Poorly answered: very few can state more adrenaline produced.

(b) (i) well answered. Some lost mark when failed to give respective action of FAH and LH. (L5S1)

(ii) (1) not aware that Katty was pregnant (L4S2);

(iv) Mechanism not well understood, gave nervous control instead of hormonal control.

(ii) (1) not aware that Katty was pregnant (L4S2);

(2) Fairly answered.mistake as above.

(b) (i) well answered. Some lost mark when failed to give respective action of FSH and LH.

(b) (ii) (1) not aware that Kathy was pregnant;

(2) Fairly answered.mistake as above.

HKDSE BIO. II Section C

(a)(i) Satisfactorily answered. Failed to mentioned the

exact temperature.

HKDSE BIO. II Section C

(a)(ii) Poorly answered. Many gave the decrease of

biodiversity as result of competition.

HKDSE BIO. II Section C

(a)(iii) (1) Not giving full answer to increase surface area to

come into contact with soil microbes is common.

(2)Poorly answered. Cannot relate continuous

mixing leading to improved aeration.

(b) (i) to (ii) Poorly answered.

Candidates didn’t have a good understanding the

following:

The structure and saprotrophic mode of nutrition of fungi

in their role as a decomposer.

The action of pectinase on cell wall components and its

consequence on improving the yield and nutritional value

of the extracted juice.

(iii) Many candidates mixed up food borne infection and

food poisoning which is clearly enlisted in the curriculum

guide.