Page 76 - APS(2022)_TG5 _Edisi Guru

Sains Tingkatan 5 Bab 2 Praktis PdPR Jawapan
GURU Bab 2 GURU Praktis PdPR Bab 2
GURU
GURU
Praktis SPM

Soalan Objektif

1. Jadual 1 menunjukkan nilai kalori 3. Jadual 3 menunjukkan nilai kalori 5. Maklumat di bawah menunjukkan
bagi tiga jenis makanan. bagi jenis makanan tertentu. simptom-simptom yang diperhatikan
Table 1 shows the calorific value of Table 3 shows the calorific values of oleh seorang suri rumahtangga pada
three types of food. certain types of food. pokoknya. Menganalisis
BAB
Jadual 1 / Table 1 Jadual 3 / Table 3 The following information shows the
symptoms observed by a housewife on
2
Jenis Nilai kalori (kJ g ) Nilai kalori her plant.
-1
makanan Calorific value Jenis makanan (kcal)
Type of food (kJ g ) Type of food Calorific • Daun berwarna hijau gelap
–1
value (kcal) dengan pinggir ungu
Nasi 15.3 Sepinggan nasi goreng Leaves appear dark green with
Rice A plate of fried rice 635 purple edges
• Pertumbuhan terbantut
Ayam 9.4 Segelas jus oren 100 Stunted growth
Chicken A glass of orange juice
• Pertumbuhan akar tidak baik
Bayam 1.2 Segelas air kosong 0 Poor root growth
Spinach A glass of plain water
Sepotong nanas Nutrien yang manakah diperlukan
Ainil mengambil 250 g nasi, 80 g A slice of pineapple 59 oleh tumbuhan itu?
ayam dan l00 g bayam untuk Which nutrient is required by the plant?
makanan malamnya. Berapakah Set makanan yang manakah A Boron C Nitrogen
Nitrogen
Boron
jumlah nilai kalori yang diambil mengandungi nilai kalori paling B Fosforus D Sulfur
olehnya? rendah? Phosphorus Sulphur
Ainil takes 250 g rice, 80 g chicken Which set of food contains the lowest
and l00 g spinach for her dinner. What calorific value? 6. Tindak balas yang manakah
is the total calorific value taken by her? A Sepinggan nasi goreng dan melibatkan bakteria pendenitritan?
A 25.9 kJ g –1 segelas jus oren Which reaction involves denitrifying
A plate of fried rice and a glass of
B 285.9 kJ g –1 orange juice bacteria?
C 4697.0 kJ g –1 A Nitrit → Nitrat
B Sepinggan nasi goreng dan Nitrite Nitrate
D 100 000.0 kJ g –1 segelas air kosong B Nitrat → Nitrogen
A plate of fried rice and a glass of
Nitrogen
Nitrate
2. Jadual 2 menunjukkan nilai kalori plain water C Nitrat → Nitrit
bagi tiga jenis makanan. C Sepinggan nasi goreng, sepotong Nitrate Nitrite
Table 2 shows the calorific values for nanas dan segelas air kosong
three types of food. A plate of fried rice, a slice of D Nitrogen → Nitrit
Nitrogen
Nitrite
Jadual 2 / Table 2 pineapple and a glass of plain water
D Sepinggan nasi goreng, sepotong 7. Rajah 1 menunjukkan sejenis
Jenis Nilai kalori (kJ g )
-1
makanan Calorific value nanas dan segelas jus oren tumbuhan.
A plate of fried rice, a slice of
Type of food (kJ g ) pineapple and a glass of orange juice Diagram 1 shows a type of plant.
–1
Roti 12.0 4. Kegendutan (Obesiti) merupakan
Bread
salah satu masalah kesihatan yang
Telur 6.5 utama bagi penduduk Malaysia.
Egg Apakah punca utama masalah ini?
Obesity is one of the major health
Jus epal 2.0 problems for Malaysians.
Apple juice What is the cause of this problem? Rajah 1 / Diagram 1
A Makan sedikit tetapi kerap Bakteria yang manakah hidup di
Seorang murid mengambil sarapan Eat less but often dalam tumbuhan ini?
40 g roti, 20 g telur dan 100 g jus Which bacteria live in this plant?
epal. Berapakah jumlah nilai kalori B Makan mengikut piramid
makanan A Bakteria penitritan
yang diambil oleh murid itu? Eat according to the food pyramid Nitrifying bacteria
A student had breakfast of 40 g of C Makan kurang daripada yang B Bakteria pengurai
bread, 20 g of egg and 100 g of apple Decomposing bacteria
juice. What is the total calorific value diperlukan C Bakteria pengikat nitrogen
Eat less than the required
taken by the student? Nitrogen-fixing bacteria
–1
A 100 kJ g C 810 kJ g –1 D Makan melebihi daripada yang D Bakteria pendenitritan
–1
B 160 kJ g D 1980 kJ g –1 diperlukan Denitrifying bacteria
Eat more than the required
© Penerbitan Pelangi Sdn. Bhd. 52

02 BAB 2.indd 52 7/28/21 3:01 PM