SCIENCE

1. SOLAF SCIENCE SPM 2014 PAPER 1 FORM 4
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CHAPTER 3 : HEREDITY AND VARIATION
BAB 3 : KETURUNAN DAN VARIASI
3.1 Cell Division
3.1 Pembahagian Sel
1. Which statement is correct about meiosis?
Pernyataan manakah yang betul mengenai proses meiosis?
A It happens in a somatic cell
Berlaku pada sel soma
B The nucleus divides twice
Nukleus membahagi dua kali
C It maintains the number of chromosomes
Bilangan kromosom dikekalkan
D Each parent cell produces two daughter cells
Setiap sel induk menghasilkan dua sel anak
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2. Which statement is correct about mitosis?
Pernyataan manakah yang betul mengenai proses mitosis?
A It happens in a somatic cell
Berlaku pada sel soma
B The nucleus divides twice
Nukleus membahagi dua kali
C Each parent cell produces four daughter cells
Setiap sel induk menghasilkan empat sel anak
D The number of chromosomes in daughter cell is half of the parent cell
Bilangan kromosom sel anak menjadi separuh daripada bilangan sel kromosom sel
induk
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3. Diagram below shows an injured elbow.
Rajah di bawah menunjukkan siku yang terluka.

2. SOLAF SCIENCE SPM 2014 PAPER 1 FORM 4
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Which process will heal the elbow?
Proses manakah yang akan menyembuhkan siku tersebut?
A Meiosis
Meiosis
C Fertilization
Persenyawaan
B Mitosis
Mitosis
D Mutation
Mutasi
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4. The diagram below shows a process a cell division.
Rajah di bawah menunjukkan satu proses pembahagian sel
What is the importance of process X?
Apakah kepentingan proses X?
A Produce gamete
Menghasilkan gamet
B Replace broken and dead cells
Menggantikan sel-sel yang rosak dan mati
C Produce variation among offsprings
Mewujudkan variasi di kalangan anak-anak
D Ensure the function of daughter cell is different from the parent cell
Memastikan sel anak menjalankan fungsi yang berlainan daripada sel induknya
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3.2 Principle And Mechanism Of Variation
3.2 Prinsip Dan Mekanisme Perwarisan
5. The following information shows a tall tree crossed with a pure-breeding dwarf tree.
Maklumat berikut menunjukkan pokok tinggi dikacukkan dengan pokok kerdil bakat
tulen.
What is the expected ratio of the number of tall trees to the number of dwarf trees in
the offspring?
Apakah jangkaan nisbah bilangan pokok tinggi kepada bilangan pokok kerdil bagi
anak-anak pokok itu?
A 1 : 1 C 2 : 1
B 3 : 1 D 1 : 3
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6. The diagram below shows the inheritance of hair colour in rabbits.
Rajah di bawah menunjukkan perwarisan warna bulu bagi arnab.
Parents:
Induk:
Bb
Male rabbit
Arnab jantan
X
bb
Female rabbit
Arnab betina
Dominant gene produces black fur while recessive gene produces white fur.
Gen dominan menghasilkan bulu hitam manakala gen resesif menghasilkan bulu
putih.
What is the percentage of having white fur offspring?
Berapakah peratus kemungkinan mendapat anak bulu putih?
A 25% C 75%
B 50% D 100%
Aras Tinggi
Parent :Tt tt
Induk

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7. Which of the following is a recessive trait?
Antara yang berikut, yang manakah menunjukkan trait resesif?
A Blue eyes
Iris mata berwarna biru
C Attached earlobe
Cuping telinga melekap
B Curly hair
Rambut kerinting
D Able to roll tongue
Boleh menggulung lidah
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3.3 Sex Determintation And The Occurence Of Twins
3.3 Penentuan Seks Anak Dan Kejadian Kembar
8. A human sperm contains
Sperma manusia mengandungi
A 22 + X chromosomes
22 + X kromosom
C 44 + X chromosomes
44 + X kromosom
B 22 + XY chromosomes
22 + XY kromosom
D 44 + Y chromosomes
44 + Y kromosom
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9. Diagram below shows the hereditary scheme in human beings.
Rajah di bawah menunjukkan skema warisan pada manusia.
Father
Bapa
44 + XY
Mother
Ibu
44 + XX
22 + X 22 + Y 22 + X 22 + X
Offspring
Anak
Q
What are the chromosomes of Q?
Apakah kromosom Q?
A 22 + XY C 44 + XY
B 22 + XX D 44 + XX
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Identical twins are similar in most characteristics except
Kembar seiras serupa dalam kebanyakan kriteria kecuali
A Gender
Jantina
C Looks
Rupa
B Genetic content
Kandungan genetik
D Fingerprint
Cap jari
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11. The diagram below shows a type of twin
Rajah di bawah menunjukkan sejenis kembar
What are the characteristics of the twins?
Apakah ciri-ciri kembar tersebut?
A Involves one ovum
Melibatkan satu avum
B Involves one sperm
Melibatkan satu sperma
C Does not share placenta
Tidak berkongsi placenta
D Fertilised ovum splits into two
Ovum yang disenyawakan membahagi dua
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3.4 Mutation
3.4 Mutasi
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Which of the following is caused by gene mutation?
Antara yang berikut, yang manakah disebabkan oleh mutasi gen?
A Down’s syndrome
Sindrom Down
C Turner’s syndrome
Sindrom Turner
B Colour blindness
Buta warna
D Klinefelter’s syndrome
Sindrom Klinefelter
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Which of the following is caused by chromosome mutation?
Antara yang berikut, yang manakah disebabkan oleh mutasi kromosom?
A Albinism
Albinism
C Haemophilia
Hemofilia
B Colour blindness
Buta warna
D Klinefelter’s syndrome
Sindrom Klinefelter
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14. The following are causes of mutation except
Yang berikut adalah faktor mutasi kecuali
A X-ray
Sinaran X
B Sulphur dioxide
Sulfur dioksida
C Gamma rays radiation
Radiasi sinaran gama
D Chemicals such as nicotine and pesticides
Bahan kimia seperti nikotina dan pestisid
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3.5 The Effects Of Genetic Research On Human Life
3.5 Kesan Penyelidikan Genetik Terhadap Kehidupan Manusia
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Which process is used to insert normal genes into cells to replace damaged cells to
correct genetic diseases?
Proses manakah yang digunakan untuk memasukkan gen normal ke dalam sel bagi
menggantikan sel yang telah rosak untuk menyembuhkan penyakit genetik?
A Cloning
Pengklonan
C DNA technology
Teknologi DNA
B Gene therapy
Terapi gen
D Genetic screening
Pemetaan genetik
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16. Which of the following is not a contribution of genetic research?
Antara berikut, yang manakah bukan sumbangan penyelidikan genetik?
A Cloning of livestock such as sheep
Pengklonan binatang ternakan seperti kambing biri-biri
B Genetic engineering in bacteria to produce insulin
Kejuruteraan genetik dalam bakteria untuk menghasilkan insulin

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C Invention and manufacture of plastics in large quantities
Penciptaan dan penghasilan plastic dalam kuantiti yang banyak
D Human Genome Project to match genes with the disorders they cause
Projek Genom Manusia untuk mengenal pasti gen yang menyebabkan sesuatu
penyakit
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3.6 Variation
3.6 Variasi
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Which of the following is an example of a continuous variation?
Antara yang berikut, yang manakah contoh variasi selanjar?
A Gender
Jantina
C Blood group
Kumpulan darah
B Height
Ketinggian
D Tongue-rolling ability
Kebolehan menggulung lidah
Aras Rendah
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Which of the following is an example of a discontinuous variation?
Antara yang berikut, yang manakah contoh variasi tak selanjar?
A Height
Ketinggian
C Fingerprint
Cap jari
B Body weight
Berat badan
D Skin colour
Warna kulit
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Diagram below shows a type of variation that can be shown in a bar chart
Rajah di bawah menunjukkan sejenis variasi yang boleh ditunjukkan dalam carta bar.
Number of students
Bilangan pelajar
A Height
Ketinggian
C Fingerprint
Cap jari
B Body weight
Berat badan
D Skin colour
Warna kulit
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