Ulangan Harian IPA Bab 1 Kelas Ix
Sistem Reproduksi pada Manusia Guru IPA: Rukmana, S.Pd., Gr. SMP BINAUL UMMAH KUNINGAN 2019 ----------PERHATIAN!---------- Manfaatkan waktu dengan baik, jangan terburu-buru dan jangan asal tebak! Walaupun kamu bisa log in berkali-kali, yang diambil dan dianggap sah hanya 2 log in terawal dan diambil nilai terbesar dari 2 log in tersebut.
Questions and Answers
- 1.
Perhatikan gambar pembelahan sel di bawah ini ! Fase metaphase dan anaphase ditunjukkan oleh nomor ….
- A.
1 dan 2
- B.
2 dan 3
- C.
3 dan 4
- D.
3 dan 2
Correct Answer
B. 2 dan 3Explanation
The correct answer is 2 dan 3. This is because in the given image of cell division, the chromosomes are aligned at the center of the cell during metaphase (number 2) and then they start to separate and move towards opposite poles of the cell during anaphase (number 3).Rate this question:
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- 2.
Pada gambar di bawah ini yang ditunjukkan oleh nomor 6,7,8 adalah ….
- A.
Oosit primer
- B.
Oosit sekunder
- C.
Ovum
- D.
Polosit
Correct Answer
D. PolositExplanation
The correct answer is "polosit" because the numbers 6, 7, and 8 in the image refer to polosits.Rate this question:
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- 3.
Perhatikan pernyataan berikut. 1). Spermatogenesis terjadi secara meiosis 2). Oogenesis terjadi secara mitosis 3). Spermatogenesis menghasilkan anakan 4 buah spermatozoid 4). Oogenesis menghasilkan anakan 4 buah ootid Pernyataan yang tepat adalah ... .
- A.
1 dan 3
- B.
2 dan 4
- C.
1, 2 dan 3
- D.
4 saja
Correct Answer
A. 1 dan 3Explanation
The correct answer is 1 and 3. This is because spermatogenesis, the process of sperm production, occurs through meiosis, which involves two rounds of cell division resulting in four spermatozoa. On the other hand, oogenesis, the process of egg production, occurs through mitosis, which involves only one round of cell division resulting in one ootid. Therefore, statement 1 and 3 are correct.Rate this question:
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- 4.
Perhatikan gambar organ reproduksi laki-laki dibawah ini ! Dari gambar diatas yang diberi nomor 1, 2, dan 3 secara berurutan adalah ….
- A.
Testis, uretra, vas deferens
- B.
Testis, vas deferens, uretra
- C.
Testis, ureter, vas deferens
- D.
Testis, vas deferens, ureter
Correct Answer
B. Testis, vas deferens, uretraExplanation
The correct answer is "testis, vas deferens, uretra" because in the male reproductive system, the testis is responsible for producing sperm cells. The vas deferens is a tube that transports sperm from the testis to the uretra. The uretra is the tube that carries urine and sperm out of the body. Therefore, the correct order is testis, vas deferens, and uretra.Rate this question:
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- 5.
Pasangan antara bagian alat reproduksi laki-laki dan fungsinya berikut ini benar, kecuali...
- A.
Skrotum berfungsi sebagai pembungkus testis
- B.
Tubulus seminiferus berfungsi sebagai tempat produksi sperma
- C.
Vas deferens berfungsi sebagai tempat pematangan sperma
- D.
Uretra berfungsi sebagai saluran tempat keluarnya sperma
Correct Answer
C. Vas deferens berfungsi sebagai tempat pematangan spermaExplanation
The explanation for the given correct answer is that the vas deferens does not function as the site for sperm maturation. The vas deferens is a tube that carries sperm from the epididymis to the urethra during ejaculation. Sperm maturation occurs in the epididymis, which is a coiled tube located on the back of each testicle. The epididymis provides a suitable environment for the sperm to mature and gain motility before they are transported through the vas deferens. Therefore, the statement that the vas deferens functions as the site for sperm maturation is incorrect.Rate this question:
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- 6.
Perhatikan gambar organ reproduksi perempuan di bawah ini ! Bagian yang ditunjuk oleh huruf P berfungsi untuk ….
- A.
Tempat tumbuh dan berkembangya embrio
- B.
Tempat terjadinya oogenesis
- C.
Tempat terjadinya kopulasi
- D.
Tempat terjadinya fertilisasi
Correct Answer
B. Tempat terjadinya oogenesisExplanation
The correct answer is "tempat terjadinya oogenesis". Oogenesis is the process of egg cell formation in the female reproductive system. The part of the female reproductive system that is indicated by the letter P in the image is responsible for oogenesis.Rate this question:
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- 7.
Berikut ini yang langsung terbentuk setelah proses fertilisasi adalah....
- A.
Sel telur
- B.
Sel sperma
- C.
Zigot
- D.
Embrio
Correct Answer
C. ZigotExplanation
Setelah proses fertilisasi, sel telur yang telah dibuahi oleh sel sperma akan membentuk zigot. Zigot merupakan sel pertama yang terbentuk setelah fertilisasi dan merupakan hasil dari penyatuan materi genetik dari kedua sel tersebut. Zigot kemudian akan mengalami pembelahan sel secara berulang dan berkembang menjadi embrio. Oleh karena itu, zigot adalah jawaban yang tepat.Rate this question:
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- 8.
Terdapat ciri penyakit sebagai berikut: 1. Gejala awal berupa borok pada tempat masuknya bakteri 2. Biasanya menyerang daerah sekitar kelamin 3. Disebabkan oleh Treponema pallidum Ciri-ciri penyakit di atas dimiliki oleh orang yang menderita penyakit....
- A.
Gonorhea
- B.
Herpes Simplex Genitalis
- C.
Sifilis
- D.
HIV/AIDS
Correct Answer
C. SifilisExplanation
The given characteristics match with the symptoms of syphilis. Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. The initial symptom is a sore or ulcer at the site of bacterial entry, which is usually around the genitals. This matches the first two characteristics mentioned in the question. Therefore, the correct answer is syphilis.Rate this question:
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- 9.
Terdapat ciri penyakit sebagai berikut:
- Gejala awal berupa luka pada tempat masuknya bakteri
- Gejala rasa sakit dan kelur nanah pada saat kencing
- Disebabkan bakteri Treponema pallidum
- Disebabkan bakteri Neisseria gonorrhoeae
- Mengakibatkan radang pada organ reproduksi yang menyebabkan kemandulan
- Menyerang kulit di daaerah genitalia luar, anus dan vagina
- A.
1, 2 dan 3
- B.
2, 4 dan 5
- C.
2, 3 dan 4
- D.
4, 5 dan 6
Correct Answer
B. 2, 4 dan 5Explanation
The given symptoms match the characteristics of Gonorrhea, which is caused by the bacteria Neisseria gonorrhoeae. The symptoms mentioned in options 2, 4, and 5 are consistent with the initial wound at the site of bacterial entry, pain and pus during urination, and inflammation of the reproductive organs leading to infertility. Therefore, the correct answer is 2, 4, and 5.Rate this question:
- 10.
Berikut upaya pencegahan agar tidak terjangkit penyakit menular seksual (PMS)!
- Menerima transfusi darah dengan bebas
- Menghindari hubungan seksual diluar nikah
- Setia pada pasangan pernikahan
- Menjaga organ reproduksi
- Menggunakan sabun pembersih daerah genitalia terus menerus
- Berganti-ganti pasangan
- A.
1, 2 dan 3
- B.
2, 3 dan 4
- C.
3, 4 dan 5
- D.
4, 5 dan 6
Correct Answer
B. 2, 3 dan 4Explanation
The correct answer is 2, 3, and 4. These options mention avoiding sexual relations outside of marriage, being faithful to one's spouse, and maintaining reproductive organs. These are effective preventive measures against sexually transmitted diseases (STDs) as they reduce the risk of exposure to infected individuals and promote overall sexual health. Option 1 (receiving blood transfusions freely) is not directly related to preventing STDs, while options 5 and 6 (using continuous genital cleaning soap and changing partners) may not provide sufficient protection against STDs.Rate this question:
- 11.
Perhatikan data dibawah ini!
- Proses pembelahan zigot setelah terjadinya fertilisasi
- Proses perkembangan embrio menuju ke uterus
- Embrio tertanam (implantasi) ke dalam endometrium
- Proses pemecahan folikel yang matang dan mengeluarkan sel telur untuk di buahi
- Proses peleburan inti sel sperma dengan inti sel telur sehingga membentuk zigot
- A.
1, 2, 3, 4, 5
- B.
2, 3, 4, 5, 1
- C.
3, 4, 5, 1, 2
- D.
4, 5, 1, 2, 3
Correct Answer
D. 4, 5, 1, 2, 3Explanation
The correct answer is 4, 5, 1, 2, 3. This is the correct order of the processes involved in the development of the embryo and the occurrence of pregnancy. First, the fusion of the sperm and egg nuclei forms the zygote. Then, the zygote undergoes implantation into the endometrium of the uterus. After that, the mature follicle ruptures and releases the egg for fertilization. Finally, the embryo develops and progresses towards the uterus.Rate this question:
- Proses pembelahan zigot setelah terjadinya fertilisasi
- 12.
Pada siklus menstruasi apabila fertilisasi tidak terjadi maka akan terjadi peristiwa berikut, kecuali...
- A.
Kehamilan
- B.
Estrogen dan progesteron menurun
- C.
Dinding rahim akan luruh
- D.
Menstruasi
Correct Answer
A. KehamilanExplanation
During the menstrual cycle, if fertilization does not occur, the levels of estrogen and progesterone will decrease. This decrease in hormone levels triggers the shedding of the uterine lining, resulting in menstruation. However, if fertilization does occur, the levels of estrogen and progesterone will remain high to support the pregnancy, and menstruation will not occur. Therefore, the exception to the given events is "kehamilan" (pregnancy).Rate this question:
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- 13.
Perhatikan data berikut!
- Gelendong pembelahan menghubungkan kedua sentrosom.
- Kromosom berjejer di bidang pembelahan.
- A.
Profase
- B.
Metafase
- C.
Anafase
- D.
Telofase
Correct Answer
B. MetafaseExplanation
Based on the given data, the fact that the chromosomes are lined up in the division plane indicates that the phase of mitosis occurring is the metaphase. In metaphase, the chromosomes align themselves along the equatorial plane of the cell, forming a metaphase plate. This alignment is facilitated by the spindle fibers connecting the two centrosomes, which are also mentioned in the data. Therefore, the correct answer is metafase.Rate this question:
- 14.
Organ penyususun sistem reproduksi perempuan terdiri atas ….
- A.
Ovarium, epididimis, uterus, dan vagina
- B.
Ovarium, oviduk, rahim, dan uretra
- C.
Ovarium, testis, vulva dan serviks
- D.
Ovarium, tuba falopi, uterus, dan vagina
Correct Answer
D. Ovarium, tuba falopi, uterus, dan vaginaExplanation
The correct answer is ovarium, tuba falopi, uterus, dan vagina. This answer correctly identifies the organs that make up the female reproductive system. The ovaries are responsible for producing eggs, the fallopian tubes transport the eggs from the ovaries to the uterus, the uterus is where a fertilized egg implants and develops into a fetus, and the vagina is the birth canal and also where sperm is deposited during sexual intercourse.Rate this question:
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- 15.
Perhatikan tabel berikut ! No Sel induk Sel anak 1 2n 2n 2 2n n 3 n 2n 4 n n Karakteristik sel induk dan sel anak dari pembelahan mitosis yang tepat ditunjukan oleh ….
- A.
1
- B.
2
- C.
3
- D.
4
Correct Answer
B. 2Explanation
The correct answer is 2 because in mitosis, the parent cell (sel induk) and the daughter cell (sel anak) have the same number of chromosomes (2n). This is shown in the table where the sel induk and sel anak have the same value of 2n for all the given numbers.Rate this question:
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- 16.
Organ yang tidak termasuk dalam sistem reproduksi pria adalah ... .
- A.
Kantong kemih
- B.
Testis
- C.
Penis
- D.
Vasa deferensia
Correct Answer
A. Kantong kemihExplanation
The correct answer is kantong kemih. The bladder, or kantong kemih in Indonesian, is not part of the male reproductive system. It is an organ that stores urine before it is expelled from the body through the urethra. The other options, testis, penis, and vasa deferensia, are all organs that are involved in the male reproductive system. The testis produces sperm, the penis is the external organ for sexual intercourse, and the vasa deferensia is the tube that carries sperm from the testis to the urethra.Rate this question:
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- 17.
Pembuahan sel telur oleh sperma terjadi pada ... .
- A.
Ovarium
- B.
Uterus
- C.
Vagina
- D.
Oviduk
Correct Answer
D. OvidukExplanation
The correct answer is oviduk. The fertilization of the egg by sperm occurs in the oviduct, also known as the fallopian tube. After ovulation, the egg is released from the ovary and travels through the oviduct where it can be fertilized by sperm if present. The oviduct provides the necessary environment for fertilization to occur before the fertilized egg continues its journey to the uterus for implantation.Rate this question:
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- 18.
Peristiwa terlepasnya ovum dari ovarium disebut ... .
- A.
Fertilisasi
- B.
Ovulasi
- C.
Menstruasi
- D.
Oogenesis
Correct Answer
B. OvulasiExplanation
Ovulasi adalah peristiwa terlepasnya ovum dari ovarium. Pada saat ovulasi, folikel yang matang di ovarium akan pecah dan melepaskan ovum yang siap untuk dibuahi. Ovulasi merupakan bagian dari siklus menstruasi pada wanita. Fertilisasi adalah proses penyatuan sel telur dengan sel sperma, menstruasi adalah perdarahan bulanan pada wanita yang tidak mengalami pembuahan, dan oogenesis adalah proses pembentukan sel telur di dalam ovarium.Rate this question:
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- 19.
Perhatikan pernyataan berikut ini !
- Sel anak mempunyai kromosom yang jumlahnya sama dengan kromosom sel induk.
- Sel anak yang mempunyai kromosom setengah dari kromosom sel induk.
- Kromosom sel anakan n atau haploid
- Kromosom sel anakan 2n atau diploid
- Terjadi pada organ kelamin
- A.
1 dan 3
- B.
1 dan 4
- C.
2 dan 3
- D.
4 dan 5
Correct Answer
B. 1 dan 4Explanation
The correct answer is 1 and 4. This is because statement 1 states that the daughter cells have the same number of chromosomes as the parent cell, which is true for mitosis. Statement 4 states that the daughter cells are diploid (2n), which is also true for mitosis. Therefore, both statements 1 and 4 indicate the characteristics of daughter cells resulting from mitosis.Rate this question:
- 20.
Hormon yang memicu berkembangnya folikel dan penebalan dinding rahim secara berturut-turut adalah....
- A.
FSH dan progesterone
- B.
LH dan FSH
- C.
LH dan estrogen
- D.
Estrogen dan progesterone
Correct Answer
A. FSH dan progesteroneExplanation
FSH (follicle-stimulating hormone) dan progesterone adalah hormon yang memicu berkembangnya folikel dan penebalan dinding rahim secara berturut-turut. FSH bertanggung jawab untuk stimulasi pertumbuhan folikel dalam ovarium, sedangkan progesterone mempersiapkan dinding rahim untuk menerima dan menopang kehamilan. Kedua hormon ini bekerja secara sinergis dalam siklus menstruasi untuk mempersiapkan tubuh wanita untuk kemungkinan kehamilan.Rate this question:
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