WorksheetsCHAPTER 3 : HEREDITY AND VARIATION
Total questions: 17
Worksheet time: 21mins
Which statement is correct about meiosis?
Pernyataan manakah yang betul mengenai proses meiosis?
It happens in a somatic cell
Berlaku pada sel soma
The nucleus divides twice
Nukleus membahagi dua kali
It maintains the number of chromosomes
Bilangan kromosom dikekalkan
Each parent cell produces two daughter cells
Setiap sel induk menghasilkan dua sel anak
Which statement is correct about mitosis?
Pernyataan manakah yang betul mengenai proses mitosis?
It happens in a somatic cell
Berlaku pada sel soma
The nucleus divides twice
Nukleus membahagi dua kali
Each parent cell produces four daughter cells
Setiap sel induk menghasilkan empat sel anak
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
Diagram below shows an injured elbow.
Rajah di bawah menunjukkan siku yang terluka.
Which process will heal the elbow?
Proses manakah yang akan menyembuhkan siku tersebut?
Meiosis
Meiosis
Mitosis
Mitosis
Fertilization
Persenyawaan
Mutation
Mutasi
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?
Produce gamete
Menghasilkan gamet
Replace broken and dead cells
Menggantikan sel-sel yang rosak dan mati
Produce variation among offsprings
Mewujudkan variasi di kalangan anak-anak
Ensure the function of daughter cell is different from the parent cell
Memastikan sel anak menjalankan fungsi yang berlainan daripada sel induknya
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?
1 : 1
3 : 1
2 : 1
1 : 3
The diagram below shows the inheritance of hair colour in rabbits.
Rajah di bawah menunjukkan perwarisan warna bulu bagi arnab.
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?
25%
50%
75%
100%
Which of the following is a recessive trait?
Antara yang berikut, yang manakah menunjukkan trait resesif?
Blue eyes
Iris mata berwarna biru
Curly hair
Rambut kerinting
Attached earlobe
Cuping telinga melekap
Able to roll tongue
Boleh menggulung lidah
A human sperm contains
Sperma manusia mengandungi
22 + X chromosomes
22 + X kromosom
22 + XY chromosomes
22 + XY kromosom
44 + X chromosomes
44 + X kromosom
44 + Y chromosomes
44 + Y kromosom
Identical twins are similar in most characteristics except
Kembar seiras serupa dalam kebanyakan kriteria kecuali
Gender
Jantina
Genetic content
Kandungan genetik
Looks
Rupa
Fingerprint
Cap jari
The diagram shows a type of twin
Rajah menunjukkan sejenis kembar
What are the characteristics of the twins?
Apakah ciri-ciri kembar tersebut?
Involves one ovum
Melibatkan satu ovum
Involves one sperm
Melibatkan satu sperma
Does not share placenta
Tidak berkongsi placenta
Fertilised ovum splits into two
Ovum yang disenyawakan membahagi dua
Which of the following is caused by gene mutation?
Antara yang berikut, yang manakah disebabkan oleh mutasi gen?
Down’s syndrome
Sindrom Down
Colour blindness
Buta warna
Turner’s syndrome
Sindrom Turner
Klinefelter’s syndrome
Sindrom Klinefelter
Which of the following is caused by chromosome mutation?
Antara yang berikut, yang manakah disebabkan oleh mutasi kromosom?
Albinism
Albinism
Colour blindness
Buta warna
Haemophilia
Hemofilia
Klinefelter’s syndrome
Sindrom Klinefelter
The following are causes of mutation except
Yang berikut adalah faktor mutasi kecuali
X-ray
Sinaran X
Sulphur dioxide
Sulfur dioksida
Gamma rays radiation
Radiasi sinaran gama
Chemicals such as nicotine and pesticides
Bahan kimia seperti nikotina dan pestisid
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?
Cloning
Pengklonan
Gene therapy
Terapi gen
DNA technology
Teknologi DNA
Genetic screening
Pemetaan genetik
Which of the following is not a contribution of genetic research?
Antara berikut, yang manakah bukan sumbangan penyelidikan genetik?
Cloning of livestock such as sheep
Pengklonan binatang ternakan seperti kambing biri-biri
Genetic engineering in bacteria to produce insulin
Kejuruteraan genetik dalam bakteria untuk menghasilkan insulin
Invention and manufacture of plastics in large quantities
Penciptaan dan penghasilan plastic dalam kuantiti yang banyak
Human Genome Project to match genes with the disorders they cause
Projek Genom Manusia untuk mengenal pasti gen yang menyebabkan sesuatu penyakit
Which of the following is an example of a continuous variation?
Antara yang berikut, yang manakah contoh variasi selanjar?
Gender
Jantina
Height
Ketinggian
Blood group
Kumpulan darah
Tongue-rolling ability
Kebolehan menggulung lidah
Which of the following is an example of a discontinuous variation?
Antara yang berikut, yang manakah contoh variasi tak selanjar?
Height
Ketinggian
Body weight
Berat badan
Fingerprint
Cap jari
Skin colour
Warna kulit
