SECTION A BAHAGIAN A [40 Marks] [40 markah] Answer all questions Jawab semua soalan 1. Diagram 1 shows a stomata. Rajah 1 menunjukkan suatu stoma Diagram 1 (a) On diagram 1, label structure P , Q and R with the following words: Pada rajah 1, labelkan struktur P, Q dan R dengan perkataan berikut: [ 3 mark] (b) Draw lines to match the structure of stomata with the correct functions Lukis garis untuk memadankan struktur liang stoma dengan fungsinya yang betul. [ 3 marks] R: P: Q: Pore of stoma Nucleus Guard cell Liang Stoma Nukleus Sel pengawal 1 (a) Controls all the cell activities Mengawal semua aktiviti sel P 1 (b) Control the pore size of the stomata Mengawal saiz liang stoma Q Able lost of water vapour during transipration Membenarkan wap air dihilangkan semasa transpirasi R Total
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SECTION A
BAHAGIAN A
[40 Marks]
[40 markah]
Answer all questions
Jawab semua soalan
1. Diagram 1 shows a stomata.
Rajah 1 menunjukkan suatu stoma
Diagram 1
(a) On diagram 1, label structure P , Q and R with the following words:
Pada rajah 1, labelkan struktur P, Q dan R dengan perkataan berikut:
[ 3 mark]
(b) Draw lines to match the structure of stomata with the correct functions
Lukis garis untuk memadankan struktur liang stoma dengan fungsinya yang
betul.
[ 3 marks]
R: P:
Q:
Pore of stoma Nucleus Guard cell
Liang Stoma Nukleus Sel pengawal 1 (a)
Controls all the cell activities
Mengawal semua aktiviti sel
P 1 (b)
Control the pore size of the stomata
Mengawal saiz liang stoma
Q
Able lost of water vapour during transipration
Membenarkan wap air dihilangkan semasa
transpirasi
R Total
2. Diagram 2.1 shows a longitudinal section of a typical flower.
Rajah 2.1 menunjukkan keratan memanjang sekuntum bunga.
Diagram 2.1
Rajah 2.1
(a) In the box provided on diagram 2.1, label
Di dalam kotak yang disediakan pada rajah 2.1, labelkan
i) J to the part that receives pollen grains
J pada bahagian yang menerima butir debunga
K to the part that produces pollen grains
K pada bahagian yang menghasilkan butir debunga
[2 marks]
(b) Some plants need agents to carry pollen grains from anther to stigma.
Name two agents involved in pollination.
Setengah tumbuhan memerlukan agen untuk membawa butir debunga dari
anter ke stigma. Namakan dua agen yang terlibat dalam
pendebungaan
(i) ………………………………………………………………..
(ii) …………………………………………………………………
[2 marks]
2 (a)
2 (b)
( c) Diagram 2.2 shows a type of pollination
Rajah2.2 menunjukkan sejenis pendebungaan
Diagram 2.2
Rajah 2.2
(i) Based on the diagram 2.2, name the type of pollination.
Berdasarkan rajah 2.2, namakan jenis pendebungaan.
……………………………………………………………………………
[ 1 mark]
(ii) Give one advantage of this type of pollination
Berikan satu kelebihan pendebungaan ini.
……………………………………………………………………………
[ 1 mark]
2 (c)(i)
2 (c)(ii)
Total
Plant A Plant B
Pokok A Pokok B
3. Diagram 3.1 shows a claw hammer being used to pull out a nail
Rajah 3.1 menunjukkan satu tukul kuku kambing yang digunakan untuk mencabut
sebatang paku.
Diagram 3.1
Rajah 3.1
(a) (i) Based on diagram 3.1, name the class of lever of the claw hammer
Berdasarkan rajah 3.1, namakan kelas tuas bagi tukul kuku kambing