Page 93 - APS(2022)_TG1 _Edisi Guru

Sains Tingkatan 1 Bab 3
Bahagian B / Section B

1. (a) (i) Gajah menyejukkan badan dengan menenggelamkan badan di dalam (air / habuk / belukar).
Elephants cool down by submerging their bodies in (water / dust / bush).
(ii) Gajah kekurangan kelenjar (peluh / sakit / sejuk).
Elephants have a lack of (sweat / pain / cold) glands.
[2 markah / 2 marks]

(b) Nyatakan Benar atau Palsu bagi pernyataan berikut.
State True or False for the following statements.

Pernyataan Benar / Palsu
Statement True / False
(i) Mamalia besar seperti gajah mempunyai luas permukaan kecil berbanding isi padunya, jadi
kurang haba yang boleh hilang daripada badannya. Benar
Large mammal such as an elephant has small surface area compared ot its volume, so less heat True
can be lost from its body.
BAB
(ii) Mamalia kecil seperti kucing mempunyai kelenjar peluh di seluruh badannya.
Small mammal such as a cat has sweat glands all over its body. Palsu
3
False

[2 markah / 2 marks]

Bahagian C / Section C

2. Rajah 1.1 menunjukkan satu pertandingan tennis.
Diagram 1.1 shows a tennis match.

Rajah 1.1 / Diagram 1.1

(a) (i) Nyatakan dua perubahan fizikal kedua-dua pemain tenis itu setelah setengah jam pertandingan bermula.
State the two physical changes of both tennis players after the match has started for half an hour.
• Mereka berpeluh.
They sweat.
• Mereka bernafas dengan laju.
They breathe heavily.
[2 markah / 2 marks]

(ii) Nyatakan dua kawalan homeostasis yang terlibat. Mengaplikasi
State two homeostatic regulations involved.
• Kawal atur kandungan air
Regulation of water
• Kawal atur suhu badan
Regulation of body temperature
[2 markah / 2 marks]

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