Contoh Soal Uas Biologi Kelas Xi Semester 2 Beserta Tanggapan Part-5

Bila soal-soal PAT biologi kelas 11 semester dua cuilan pertama hingga Contoh Soal UAS Biologi Kelas XI Semester 2 Beserta Jawaban cuilan keempat (soal nomor 31-40) berbentuk pilihan ganda/PG, maka untuk cuilan terakhir atau kelima yang sedang Anda baca ini, berbentuk soal essay/uraian.

Berikut, referensi soal UKK Biologi kelas xi semester genap dan kunci jawabannya untuk siswa SMA/MA/Sederajat dimulai dari soal nomor 41.

41. Jelaskan perbedaan antara kekebalan aktif dan kekebalan pasif!
Jawaban: kekebalan aktif ialah kekebalan badan yang diperoleh lantaran badan menciptakan antibodi sendiri. Sedangkan kekebalan pasif ialah kekebalan yang terjadi bukan lantaran badan menciptakan antibodi sendiri.

42. Apa yang kau ketahui wacana sistem saraf dan sistem endokrin? Jelaskan perbedaannya!
Jawaban:
a. Persamaan
Sistem saraf: menyekresikan messenger neuro humor, membantu mengatur dan memelihara homeostatis
Sistem endokrin: menyekresikan messenger hormon, membantu mengatur dan memelihara homeostatis

b. Perbedaan
Sistem saraf: respons eksklusif terhadap rangsang, rangsang dibawa lewat neuron, respon cepat
Sistem endokrin: respon tidak eksklusif hormon dibawa melalui peredaran dengan darah, respons lambat

43. Sebutkan tiga macam makroelemen beserta fungsinya!
Jawaban:
a. Natrium (Na) fungsinya untuk memelihara cairan badan dan mengatur permeabilitas sel dan transmisi impuls saraf
b. Magnesium berfungsi sintesis protein, kesehatan otot saraf, dan katalisator dalam reaksi kimia
c. Fosfor berfungsi untuk memengaruhi semua proses perombakan dan pembentukan zat, mengatur acara hormon, dan unsur utama sel tubuh.

44. Jelaskan akhir yang ditimbulkan dari merokok!
Jawaban: merokok sanggup menjadikan perubahan struktur dan fungsi saluran pernapsan dan jaringan paru-paru. Merokok merupakan penyebab utama timbulnya penyakit obstruksi paru menahun (POPM), termasuk emfisema, bronkitis kronis, dan asma

45. Apa yang dimaksud dengan sistem ekskresi? Jelaskan!
Jawaban: sistem ekskresi ialah proses pengeluaran zat-zat sisa hasil metabolisme yang sudah tidak dipakai oleh badan dan dikeluarkan bersama urine, keringat, atau pernapasan.

46. Bagaimana proses pembentukan urine? Jelaskan!
Jawaban:
- Darah difiltrasi di dalam glomelurus dan kapsula Bowman menghasilkan filtrat glomerulus (urine primer).
- Urine primer menuju tubulus kontortus proksimal hingga lengkung Henie untuk direabsorbsi sehingga menghasilkan filtrat tubulus atau urine sekunder.
- Urine sekunder menuju tubulus kontortus distal ascenden hingga tubulus kolektivus untuk melaksanakan augmentasi sehingga terbentuk urine yang bersama-sama yang akan masuk ke tubulus kolektivus

47. Jelaskan yang dimaksud dengan kelainan mata hipermetropi!
Jawaban: hipermetrofi ialah gangguan pada mata yang hanya bisa melihat terang pada jarak jauh, lantaran lensa mata pipih atau bola mata terlalu pendek sehingga bayangan jatuh di belakang bintik kuning. Penderita ini sanggup dibantu dengan kacamata lensa cembung.

48. Sebutkan lapisan yang menyusun indera pendengaran dalam!
Jawaban:
- Serambi (vestibulum)
- Saluran setengah bulat (kanalis semisirkularis)
- Rumah siput (koklea)

49. Sebutkan organ-organ yang menyusun sistem reproduksi pria!
Jawaban: alat kelamin dalam: t*stis dan saluran kelamin pria
Alat kelamin luar: p*nis

50. Sebutkan beberapa penyakit yang bekerjasama dengan sistem kekebalan tubuh!
Jawaban:
- Alergi
- Lupus
- AIDS

Baca juga:
- Contoh Soal UAS Biologi Kelas X Semester 2 Beserta Jawaban
- Contoh Soal UAS/PAS Biologi Kelas XI Semester 2 Kurikulum 2013 Beserta Jawaban

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