Ujian1 Biologi Cg Nor Ashikin Pawanteh -Sambungan
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Transcript of Ujian1 Biologi Cg Nor Ashikin Pawanteh -Sambungan
3 . Diagram 1 shows the structure of a plant cell viewed under an electron microscope.Rajah 1 menunjukkan struktur satu sel tumbuhan dilihat di bawah satu mikroskop elektron.
Diagram 1 Rajah 1(a) (i) Name the structures labelled S, T, U, V and W.
Namakan struktur yang dilabelkan sebagai S, T, U, V dan W.
S : _____________________________________
T : _____________________________________
U : _____________________________________
V : _____________________________________
W: _____________________________________
[5 marks][5 markah]
(ii) State the function of the following structures.Nyatakan fungsi bagi struktur berikut.
S : _____________________________________
U : _____________________________________
W: _____________________________________[3 marks][3 markah]
(b) (i) State two types of cells in which the structure V is found in abundance. [2 marks]Nyatakan dua jenis sel di mana struktur V boleh dijumpai dengan banyak.[2 markah]
___________________________________________________
__________________________________________________
(ii) Draw a labelled diagram for structure V. [2 marks]Lukis satu rajah yang berlabel bagi struktur V.
[2 markah]
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(iii) Predict what happens to the plant cell if structure V is absent. [2 marks]Ramalkan apa yang akan berlaku kepada sel tumbuhan jika struktur V tiada. [2 markah]__________________________________________________________
______________________________________________________________
(c) What are the characteristics which enables you tO differentiate plant cell from animal cell? [3 marks] Apakah ciri-ciri yang membolehkan anda membezakan sel tumbuhan dari sel haiwan?
[3 markah]
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
4. Diagram 2 shows the structure of Paramecium sp.Rajah 2 menunjukkan struktur Paramecium sp.
Diagram 2 Rajah 2
(a) Name the structures labelled X, Y and Z . [3 marks]Namakan struktur yang dilabelkan X, Y dan Z. [3markah]
________________________________________________________
________________________________________________________
________________________________________________________
(b) What is the function of Z? [1 mark]Apakah fungsi Z? [1 markah]
________________________________________________________
(c) Structure X is involved in locomotion and feeding. Describe how does this structure carries out this function. [2 marks]
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Struktur X terlibat dalam pergerakan dan pemakanan. Huraikan bagaimana struktur ini menjalankan fungsinya. [2 markah]
____________________________________________________________
___________________________________________________________
(d) Explain the function of the macronucleus in the reproduction of Paramecium.[2 mark] Terangkan fungsi makronukleus dalam pembiakan Paramecium. [2 markah]
__________________________________________________________
BAHAGIAN C :SOALAN ESEI
1. Diagram 3 shows an experiment to illustrate a physical process. Rajah 3 menunjukkan satu eksperimen untuk menggambarkan satu proses fizikal.
Diagram 3 Rajah 3
(a) (i) Explain the process of water movement across the partially permeable membrane after 1 hour. ( 6 marks)Terangkan proses pergerakan air merentasi membran separa telap selepas 1 jam.
[6 markah]
(ii) State four differences between active transport and passive transport. [4 marks]Nyatakan empat perbezaan antara pengangkutan aktif dan pengangkutan pasif.
[4 markah]
(b) Compare a plant cell with an animal cell. [10 marks] Bandingkan satu sel tumbuhan dengan satu sel haiwan. [10 markah)
Disediakan oleh Disemak oleh
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.......................................... .............................. NOR ASHIKIN PAWANTEH MAHARYATI MOHAMAD KETUA PANITIA ELEKTIF SAINS
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