Question No

PENYELENGGARAAN DAN KESINAMBUNGAN HIDUP

TOPIK: KOORDINASI BADAN (PANDUAN GURU)

PAGE 2

SKEMA JAWAPAN MARKING SCHEME 1. C

2. C

3. B

4. A

5. C6. A

7. C

8. C

9. B

10. CBahagian B/Section B1. (a) P : Tindakan terkawal/Voluntary action R: Tindakan luar kawal/Involuntary action (b) (i) P // Q //P dan Q

(ii) Mabuk/Drunk //Alkohol menyebabkan sistem saraf menjadi kurang berkesan/Alcohol has caused the nervous system to become less effective (c)

(d) Bayi yang dilahirkan mungkin cacat anggota/ The baby might be born with defects2 (a)R : Inter neurone/ Relay neurone S : Motor neurone

(b) T will contract

(c) (i) reflex action

(ii) spinal cord

(d) To avoid serious injury3.(a) (i) Y : Pankreas/Pancreas Z : Zakar/Testes (ii) Insulin/Insulin (b) Mengawal pertumbuhan seks sekunder lelaki/Controls the development of male secondary sexual

(c) (i) Kelenjar adrenal/Adrenal gland (ii) meningkatkan denyut jantung,tekanan darah dan respirasi/Increase the heart beat, blood pressure and respiration //Bersiap sedia untuk lari/Preparing him to run away from the snakeBahagian C/Section C

1.a)

Sistem saraf/Nervous systemSistem endokrin/Endocrine system

Terdiri daripada otak,saraf tunjang dan saraf periferi/Consist of brain, spinal cord and peripheral nerveEndokrin atau kelenjar tanpa duktus/Endocrine or ductless glands

Impul dihantar melalui saraf/Impulses are sent through nervesHormon dihantar melalui darah/Hormones are sent through blood

Penghantaran impul cepat/Transmission of impulses rapidPerlahan/slower

Kawasan tindakan otot atau kelenjar/ Area affected muscles or glands Kawasan tindakan luas atau seluruh badan/Area Affected wider area or whole body

Kadar tindakbalas serta merta/Rate of response immediateKadar tindakbalas perlahan/Rate of response slow

Ciri umum/Common characteristics1.Bahan kimia organik dan terdiri dari asid amino/Organic chemical substances and

consist of a lot of amino acid

2.Dihasilkan oleh kelenjar endokrin/Produced by endocrine glands3.Dineutralkan oleh hati dan dirembeskan oleh ginjal/Neutralized by the liver and excreted by the kidneys

Konsep awal/Initial conceptBahan kimia organik dan dihasilkan oleh kelenjar endokrin ialah hormon/Organic chemical substances and produced by endocrine glands are hormones

Contoh lain fungsi hormone/Other examples function of hormone Meningkatkan respirasi atau tekanan darah/Increases respiration or blood pressure,Mengawal pertumbuhan seks sekunder perempuan/Controls the development of male or female secondary sexual characteristics.

Bukan contoh/Non-examplesDarah,air liur/Blood, saliva

Konsep sebenar/Actual conceptHormon ialah bahan kimia organic yang dihasilkan oleh kelenjar endokrin/Hormones are organic chemical substances and produce by endocrine glands.

b)

Tindakan terkawal/Voluntary ActionTindakan luar kawal/Involuntary action

Tindakan dalam keadaan sedar/Action which we are aware ofTindakan automatic/Automatic action

Impuls dihantar dari reseptor melalui serebrum Impulse flows from the receptor through the cerebrumImpuls dihantar dari reseptor ke efektor melalui medulla oblongataImpulse flows from receptor to the effector through medulla oblongata

Tindakan mungkin cepat atau perlahan/Action can be slowed or fastened Tindakan pantas/Fast action

Tindakbalas melibatkan otot rangka/Response involve skeletal musclesTindakbalas melibatkan otot licin/Response involve smooth muscles

Tindakan dikawal oleh serbrum/Action is controlled by cerebrumTindakan dikawal oleh medulla oblongata/Action is controlled by medulla oblongata

2.a)

2.b

Ciri-ciri umum/Common characteristics1. Tindakan automatic terhadap rangsangan luar/Automatic response towards external stimulus2. Tindakan yang dikawal oleh saraf tunjang/Action which is controlled by spinal cord

Contoh lain/Other example

Sentakan lutut/Knee jerk

Dua bukan contoh/Two Non-examples Membaca dan menulis/Reading and writing

Konsep sebenar/Actual concept

Tindakan reflek ialah tindakan automatik terhadap rangsangan luar dan dikawal oleh saraf tunjang/Reflex action is an automatic response towards external stimulus and is controlled by spinal cord

Efektor

Effector

Neuron deria

Sensory neurone

Otak

Brain

Reseptor

Receptor

Neuron motor

Motor neurone