LEMBAR
KERJA SISWA
PROTOZOA .
Tujuan : Mendeskripsikan jenis-jenis protozoa
Metode : Praktikum
Waktu : 2 x 45 menit
Alat dan Bahan : 1. Botol 4. Gelas benda
dan gelas penutup
2. Pipet 5.
Jerami / rumput kering
3. Mikroskop 6. Air kolam /air sawah
Langkah- kerja
1. Potong-potonglah jerami/ rumput kering, kemudian masukkan kedalam botol
hingga
seperempat bagian.
2. Masukkan air kolam /air sawah kedalam
botol hingga ¾ bagian
3. Simpanlah botol tersebut dalam
keadaan terbuka ditempat yang tidak terkena sinar
matahari secara langsung selama satu minggu
4 Ambilllah setetes kultur tersebut
menggunakan pipet , kemudian teteskan pada gelas
benda dan tutup dengan kaca penutup
5. Amati preparat dibawah
mikroskop,cocokkan protozoa yang kamu temukan dengan gambar pada buku. Protozoa apa saja yang kamu temukan ?
Tabel Hasil Pengamatan .
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No.
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Gambar protozoa
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Nama jenis
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I. Jawablah pertanyaan dibawah
ini dengan tepat !
1. Berdasarkan alat geraknya
protozoa dibedakan menjadi 4 kelas . Sebutkan!
Jawab
.................................................................................................................................................................................................................................................................................
.......................................................................................................................................
.........................................................................................................................................
2. Sebutkan ciri khas protozoa
yang membedakan dengan makhluk hidup lain.
Jawab
............................................................................................................................................................................................................................................................................
.................................................................................................................................................................................................................................................................................
3. Sebutkan ciri-ciri flagellata
!
Jawab
..............................................................................................................................................................................................................................................................................
........................................................................................................................................ ..................................................................................................................................................................................................................................................................................
4. Sebutkan anggota Rhizopoda yang
bermanfaat bagi manusia !
Jawab .................................................................................................................................................................................................................................................................. .................................................................................................................................................................................................................................................................................
5. Apa fungsi vakuola kontraktil
pada protozoa ?
Jawab
............................................................................................................................................................................................................................................................................
...........................................................................................................................
6. Bagaimana cara amoeba
mendapatkan makanan?
Jawab.....................................................................................................................................
.........................................................................................................................................
7. Tuliskan masing-masing 4
contoh dari kelas protozoa
Jawab............................................................................................................................................................................................................................................................................
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8. Jelaskan mengapa Euglena
dianggap mirip hewan dan tumbuhan
Jawab
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9. Buatlah struktur tubuh
Paramaecium dengan bagian-bagiannya
Jawab
...............................................................................................................................
............................................................................................................................... ...................................................................................................................................
10. Jelaskan siklus Plasmodium
Jawab..............................................................................................................................
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II. Isilah titik-titik dibawah ini dengan benar !
1. Pada protozoa sel tubuhnya
terbentuk dari membran plasma terdiri dari ...........................
2. Tubuh protozoa pada umumnya
tetap kecuali...............................
3. Rhizopoda yang membantu
manusia adalah..........................
4. Pada keadaan yang kurang
menguntungkan protozoa membentuk....................
5. Anak yang kekurangan darah
dapat disebabkan oleh protozoa jenis.....................
6. Petunjuk adanya sumber minyak
bumi adalah .................................
7. Protozoa jenis ciliata yang
dapat menyebabkan sakit perut adalah.....................
8. Hewan yang hidup dilaut pada
malam hari dapat mengeluarkan cahaya adalah ...........
dari kelas...........
9. Alat gerak pada paramaecium
adalah ..............
10.Kelompok protozoa yang semua anggotanya parasit pada hewan dan manusia
adalah.............
