Page 10 - Get Ready SPM 2022 Tg 5 - Sains

Sains Tingkatan 5 Ujian 2

(d) Nutrien yang diperlukan oleh tumbuhan
Kertas 2 dapat dikelaskan kepada dua kumpulan.
Nyatakan kumpulan nutrien bagi fosforus.
Bahagian A The nutrient which needed by plants can be
classified into two groups. State the nutrient
group for phosphorus. SK 2.2 TP 2
1. Rajah 1 menunjukkan susunan radas untuk
mengkaji kesan kekurangan nutrien ke atas
Penerbitan Pelangi Sdn Bhd. All Rights Reserved.
pertumbuhan anak benih. Eksperimen ini telah [1 markah/1 mark]
dijalankan selama seminggu.
Diagram 1 shows the arrangement of the apparatus 2. Rajah 2 menunjukkan suatu kalorimeter.
used to study the effect of nutrient deficiency on the Diagram 2 shows a calorimeter.
growth of seedlings. The study has been carried out
for one week. Pengadang
Termometer Shield
Anak benih Thermometer
Seedling Kaki retort
Ujian
Larutan Kapas Retort stand
kultur Cotton Kapas
2
lengkap Kertas Cotton Tabung didih
Complete hitam Air suling Boiling tube
culture Black Distilled Kacang tanah
solution paper water Groundnut
P Jarum Plastisin
Needle Plasticine
Anak benih
Seedling Rajah 2/ Diagram 2
Larutan Kapas
kultur Cotton Keputusan eksperimen:
tanpa Result of the experiment:
fosforus Kertas
Culture solution hitam Sampel makanan Kacang tanah
without Black Food sample Groundnut
phosphorus paper
Q Jisim sampel makanan (g) 1
Mass of food sample (g)
Rajah 1/ Diagram 1
Jisim air (g)
Mass of water (g) 10
(a) Perhatikan anak benih dalam kedua-dua
tabung didih. Nyatakan pemerhatian anda Suhu awal, T ( C)
o
1
o
dan jelaskan jawapan anda. SK 2.2 TP 2 Initial temperature, T ( C) 29
1
Observe the seedlings in both boiling tubes. State
your observation and justify your answer. Suhu akhir, T ( C)
o
2
o
Final temperature, T ( C) 85
2
o
Perubahan suhu, T – T ( C)
1
2
o
Change of temperature, T – T ( C) 56
[2 markah/2 marks] 2 1
(b) Nyatakan pemboleh ubah bergerak balas
Nilai kalori makanan
dalam eksperimen ini. SK 2.2 TP 2 –1 –1
State the responding variable in this experiment. 4.2 J g °C × Jisim air (g) ×
perubahan suhu air (°C)
=
Jisim sampel makanan (g) × 1 000
[1 markah/1 mark]
Calorific value of food
(c) Tuliskan satu hipotesis bagi eksperimen ini.
–1
–1
Write a hypothesis for this experiment. 4.2 J g °C × Mass of water (g) ×
SK 2.2 TP 6 KBAT Mencipta = Change in water temperature (°C)
Mass of food sample (g) × 1 000
[1 markah/1 mark]
© Penerbitan Pelangi Sdn. Bhd. 8

02 G.READY SAINS TG5 4P.indd 8 01/03/2022 4:18 PM