Page 36 - PBD Plus Biologi T5 (EG)
P. 36
Biologi Tingkatan 5 Bab 2
Menurut pengetahuan biologi anda, bagaimanakah rumah hijau boleh mempengaruhi pengeluaran
buah tomato tersebut.
Based on your biology knowledge, how does the greenhouse affect the production of these tomatoes.
[10 markah / 10 marks]
(b) Rajah 3 menunjukkan satu eksperimen untuk mengkaji kesan dua cahaya yang berlainan terhadap kadar
fotosintesis tumbuhan akuatik, Cabomba sp. Jadual 3 menunjukkan keputusan eksperimen.
Diagram 3 shows an experiment to investigate the effect of two different colours of light on the rate of photosynthesis of aquatic plant,
Cabomba sp. Table 3 shows the result of the experiment. KBAT Mengaplikasi KBAT Menganalisis
Oksigen
Kaki retort Oxygen Gelembung gas
Air bubble
Retort stand
Tabung didih
Mentol Boiling tube
60 W Larutan natrium
Bulb Bikar hidrogen
Penerbitan Pelangi Sdn. Bhd
60 W Beaker karbonat 0.2%
0.2% sodium hydrogen
Corong turas carbonate solution
Filter funnel
Pembaris meter Cabomba sp.
Metre ruler Cabomba sp.
Rajah 3 / Diagram 3
Cabomba Warna cahaya Panjang gelombang Bilangan gelembung udara terhasil
sp. mentol cahaya (nm) selepas 30 minit
Colour of light bulb Wavelength (nm) Number of air bubbles produced after 30 minutes
X Merah / Red 670 47
Y Hijau / Green 550 15
Jadual 3 / Table 3
Berdasarkan Jadual 3 dan Rajah 3, Based on Table 3 and Diagram 3, SP 2.4.8 SP 2.4.9
(i) Kenal pasti warna cahaya yang terbaik bagi memaksimumkan kadar fotosintesis bagi Cabomba sp.
Identify the best light colour to maximise the rate of photosynthesis for Cabomba sp.
[1 markah / 1 mark]
(ii) Huraikan perbezaan antara tindak balas bersandarkan cahaya bagi fotosintesis yang berlaku pada
Cabomba sp. dalam bekas X dan Cabomba sp. dalam bekas Y.
Describe the differences between the light-dependent reaction of photosynthesis that occurred on Cabomba sp. in beaker X and
Cabomba sp. in beaker Y.
[9 markah / 9 marks]
Enrolment key
Fokus KBAT BIot5_POT*
© Penerbitan Pelangi Sdn. Bhd. 46
02 PBD PLUS BIOLOGY TG5.indd 46 25/11/2022 10:14 AM
