soalan ulangkaji bab 4 - · pdf filebab 4 tingkatan 5 . 1 1 diagram 1.1(a) show hormones p and...

SOALAN

ULANGKAJI

BAB 4 Tingkatan 5

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1

1 Diagram 1.1(a) show hormones P and hormone Q secreted by pituitary gland that

are involved in ovarian cycle. Diagram 1.1(b) shows the development of a zygote.

Rajah 1.1(a) menunjukkan hormon P dan hormon Q yang dirembeskan oleh kelenjar

pituitary, yang terlibat dalam kitar ovari. Rajah 1.1(b) menunjukkan perkembangan

satu zigot.

Diagram 1.1(a)/ Rajah 1.1(a)

Diagram 1.1(b)/ Rajah 1.1(b)

(a) Explain the role of hormone P in the development of one follicle cell in the ovary.

Terangkan peranan hormon P dalam perkembangan satu sel folikel di dalam ovari.

……………………………………………...............................................................…

…………………………………………………………………………………………

[2 marks]


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(b) Pituitary gland produced low hormones Q due to a type of tumor called

microadenomas. Explain the consequences of this condition. Refer Diagram 1.1 (a)

and 1.1(b).

Kelenjar pituitary menghasilkan sedikit hormone Q disebabkan sejenis ketumbuhan

yang dipanggil mikroadenomas. Terangkan akibat keadaan ini. Rujuk Rajah-rajah

1.1(a) dan 1.1(b)

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(c) Explain how structures R and S are different.

Terangkan bagaimana struktur-struktur R dan S adalah berbeza.

……………………………………………………………………………..………......

........................................................................................................................................

[2 marks]

(d) Trophoblast villi will later develop into an amazing temporary organ that plays a

crucial role in pregnancy in keeping the foetus alive and well. Explain how the organ

is important.

Vilus trofoblas kemudian akan berkembang membentuk satu organ sementara yang

menakjubkan, yang memainkan peranan penting dalam kehamilan bagi memastikan

fetus hidup dan sihat. Terangkan bagaimana organ ini penting.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[3 marks]


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(e) A stem cell is a special cell with a unique ability to reproduce itself over a long

period. Stem cell can be isolated from embryos at the blastocyst stage. It has the

remarkable potential to develop into many different cell types in the body during

early life and growth. Diagram 1.2 shows a process in stem cell research.

Sel stem adalah sel yang istimewa dengan kebolehan untuk membiak sendiri bagi

tempoh yang lama. Sel stem boleh diasingkan daripada embrio pada peringkat

blastosis. Sel stem mempunyai potensi untuk berkembang menjadi banyak sel yang

berlainan pada peringkat awal pertumbuhan. Rajah 1.2 menunjukkan proses dalam

kajian sel stem.

Diagram 1.2/ Rajah 1.2

By using your biological knowledge, explain how the stem cell research is beneficial

to the human being.

Dengan menggunakan pengetahuan biologi anda, bagaimanakah penyelidikan sel

stem berfaedah kepada manusia.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[3 marks]


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2. Diagram 2.1 shows longitudinal section part of a flower that involves in

fertilization.

Rajah 2.1 menunjukkan keratan membujur bahagian sekuntum bunga yang terlibat

dalam persenyawaan.

Diagram 2.1/ Rajah 2.1

(a) State the male reproductive organ and female reproductive organ of a flower.

Nyatakan organ pembiakan jantan dan organ pembiakan betina pada sekuntum

bunga.

Male reproductive organ / Organ pembiakan jantan : ………………………………

Female reproductive organ / Organ pembiakan betina : ……………………………...

[2 marks]

(b) Pollination is a process when pollen grains transfer to stigma by pollination agents

such as wind, insects or animals.

Pendebungaan ialah satu proses apabila debunga dipindahkan ke stigma oleh agen

pendebungaan seperti angin, serangga atau haiwan.

(i) State a characteristic of a pollen grain that help it stick to stigma during pollination.

Nyatakan satu ciri debunga yang membantu ia melekat pada stigma semasa

pendebungaan.

…………………………………………………………………………………………

[1 mark]


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(ii) Describe what happen after a pollen grain stick to stigma.

Jelaskan apa yang berlaku selepas debunga melekat pada stigma.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(c)

(i) Explain what happen to structure Q while moving toward ovule to ensure double

fertilisation occurs.

Terangkan apa yang berlaku kepada struktur Q semasa bergerak kea rah ovul bagi

memastikan persenyawaan ganda dua boleh berlaku.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(ii) Explain the importance of fusions between male gamete and two polar nuclei during

fertilisation for the survival of flowering plant?

Terangkan kepentingan percantuman antara gamet jantan dengan dua nukleus kutub

semasa persenyawaan ganda dua dalam kemandirian tumbuhan berbunga.

…………………………………………………………………………………………

…………………………………………………………………………………………

………………………………………………………………………………………....

[3 marks]

(d) After double fertilisation occurs, explain what happened to ovule and the

integument?

Selepas persenyawaan ganda dua berlaku, jelaskan apa yang terjadi kepada ovul dan

integumen?

…………………………………………………………………………………………

………………………………………………………………………………………....

[2 marks]


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3 Diagram 3.1 shows a woman reproductive system.

Rajah 3.1 menunjukkan sistem pembiakan wanita.

Diagram 3.1 / Rajah 3.1

(a)(i) Explain one function of hormone secreted by X.

Terangkan satu fungsi hormon yang dirembeskan oleh X.

………………………………………………………………………………………....

........................................................................................................................................

[2 marks]

(ii) In Diagram 3.1, label with letter R to show a part which fertilisation take place.

Dalam Rajah 3.1, labelkan dengan huruf R untuk menunjukkan tempat

persenyawaan berlaku.

[1 mark]


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(b) Diagram 3.2 shows the development of follicle and the thickness of endometrium

wall during menstrual cycle.

Rajah 3.2 menunjukkan perkembangan folikel dan ketebalan dinding endometrium

semasa kitar haid.


(i) Brain is involved in regulation of hormones secretion in menstrual cycle. Explain

how the brain regulates hormones in the menstrual cycle.

Otak terlibat dalam mengawalatur perembesan hormon dalam kitar haid. Terangkan

bagaimana otak mengawalatur hormon dalam kitar haid.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(ii) Based on Diagram 3.2, name phase S and T in uterus lining during menstrual cycle.

Berdasarkan Rajah 3.2, namakan fasa S dan fasa T semasa kitar haid.

Phase S / Fasa S: ……………………………………………………………………

Phase T / Fasa T: ……………………………………………………………………

[2 marks]


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(ii) Explain how contraceptive pills prevent the process at N from occur.

Terangkan bagaimana pil pencegah kehamilan menghalang proses di N dari

berlaku.

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(c)(i) Based on the following statement, explain why woman have higher risk to acquire

osteoporosis compare to male.

Berdasarkan pernyataan berikut, terangkan mengapa wanita mempunyai risiko yang

lebih tinggi untuk menghidap osteoporosis berbanding lelaki.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(ii) Suggest one way to reduce the effects of menopause symptom.

Cadangkan satu cara untuk mengurangkan kesan-kesan gejala menopaus

…………………………………………………………………………………………

…………………………………………………………………………………………

[1 mark]


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4 Diagram 4.1 shows the human female reproductive system and Diagram 4.2 shows

the formation of twins.

Rajah 4.1 menunjukkan sistem pembiakan wanita dan Rajah 4.2 menunjukkan

pembentukan anak kembar.




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(a) Name the structure and the process

Namakan struktur dan proses

Process A : .............................................................................................................

Structure B: ..............................................................................................................

Structure C :....................................................................................................................

[2 marks]

(b)(i) Nucleus of structure B and sperm fuse together to form zygote and then divides

repeatedly. What division process is involved?

Nukleus struktur B dan sperma berpadu bersama membentuk zigot dan membahagi

berulangkali. Apakah proses pembahagian yang terlibat?

…………………………………………………………………………………………

[1 mark]

(ii) Circle the location of fertilisation occur in Diagram 4.1

Bulatkan kawasan persenyawaan yang berlaku pada Rajah 4.1

[1 mark]

(iii) Describe two main stages in the development of a zygote in preparation for

implantation.

Huraikan dua peringkat utama perkembangan zigot dalam persediaan penempelan.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[3 marks]


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(c) Based on Diagram 4.2, explain the formation of a twin.

Berdasarkan Rajah 4.2, terangkan pembentukan anak kembar.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[3 marks]

(d) Structure D is an important organ for the development of foetal. State two

importance of the organ.

Struktur D adalah merupakan organ penting dalam perkembangan fetus. Nyatakan

dua kepentingan organ tersebut.

…………………………………………………………………………………………

…………………………………………………………………………………………

…………………………………………………………………………………………

[2 marks]

(ii) Suggest one way to reduce the effects of menopause symptom.

Cadangkan satu cara untuk mengurangkan kesan-kesan gejala menopaus

…………………………………………………………………………………………

…………………………………………………………………………………………

[1 mark]


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SOALAN ESEI

1 Diagram 1.1 shows the development of pollen.

Rajah 1.1 menunjukkan perkembangan debunga.


Describe the development of pollen based on the diagram above.

Huraikan perkembangan debunga berdasarkan rajah di atas.

[4 marks]

(b) Diagram 1.2 shows the mature carpel where the process of double fertilisation

occurs in the plant. Explain the process.

Rajah 1.2 menunjukkan karpel matang dimana proses persenyawaan ganda dua

dalam tumbuhan berlaku. Terangkan proses tersebut.


[6 marks]


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(c) Diagram 1.3 shows the process of secondary growth in plant.

Rajah 1.3 menunjukkan proses pertumbuhan sekunder dalam tumbuhan.


Based on the above diagram, explain the process of secondary growth in plant.

Berdasarkan rajah di atas, terangkan proses pertumbuhan sekunder dalam

tumbuhan.

[6 marks]

(d) Explain the importance of secondary growth in plant.

Terangkan kepentingan pertumbuhan sekunder dalam tumbuhan.

[4 marks]


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2 Diagram 2.1 shows the human growth curve and Diagram 2.2 shows insect growth

curve.

Rajah 2.1 menunjukkan graf lengkung pertumbuhan manusia dan Rajah 2.2

menunjukkan lengkung pertumbuhan serangga.



(a)(i) Based on Diagram 2.1, explain the growth curve of boys and girls in phase A, B,

C, D and E

Berdasarkan Rajah 2.1, terangkan lengkung pertumbuhan lelaki dan perempuan

pada fasa A, B, C, D dan E.

[6 marks]


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(ii) Based on Diagram 2.2, explain the role of X in the development of insect.

Berdasarkan Rajah 2.2, terangkan peranan X dalam perkembangan serangga.

[6 marks]

(b) Explain the contribution of science and technology in male contraception.

Terangkan sumbangan sains dan teknologi dalam pencegahan kehamilan lelaki.

[6 marks]

3 Diagram 3.1 shows the process of double fertilisation in the flowering plant.

Rajah 3.1 menunjukkan proses persenyawaan ganda dua dalam tumbuhan

berbunga.


(a) Describe the process.

Huraikan proses tersebut.

[4 marks]

(b) Based on your answer in (a), describe the formation of fruit and seed.

Berdasarkan jawapan anda di(a), huraikan pembentukan buah dan biji benih.

[6 marks]


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(c) Based on the following diagram, explain how pituitary hormones and sex

hormones control the menstrual cycle.

Berdasarkan rajah berikut, terangkan bagaimana hormon pituitari dan hormon

seks mengawal kitar haid.

[10 marks]


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SKEMA JAWAPAN SOALAN STRUKTUR

Question 1


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Question 2


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Question 3


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Question 4


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SOALAN ESEI

Question 1


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Question 2


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Question 3

soalan ulangkaji bab 4 - · pdf filebab 4 tingkatan 5 . 1 1 diagram 1.1(a) show hormones p and...

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