
B IOLOGI KELAS 7 SEMESTER 2
Authored by Rustina Septiani
Biology
1st - 11th Grade
Used 6+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu jenis pencemaran lingkungan yang kita ketahui adalah pencemaran Air dan pencemaran tanah. Pncemaran air disebabkan ...
Rusaknya ekosistem air karena terlalu banyak ikan yang hidup
Masuknya polutan zat cair dan padat ke dalam tanah
Masuknya polutan zat cair dan padat ke dalam ekosistem air
Pencemaran oleh gas-gas kendaraan bermotor
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Eutrofikasi dapat mengakibatkan ....
Blooming ganggang dan tumbuhan air
Bioaugmentasi
Matinya seluruh biota
Bioakumulasi ganggang air
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ketika hujan di udara bercampur dengan zat kimia misalnya sulfur dioksida, maka akan menghasilkan hujan asam. Hal ini akan mengakibatkan ....
ketersediaan karbon dioksida atmosfer untuk fotosintesis bekurang
pH di danau mengalami penurunan, sehingga berdampak pada temperatur air
pH di danau mengalami penurunan, sehingga membatasi kelulushidupan banyak organisme
pH di danau mengalami peningkatan, sehingga membantu pertumbuhan organisme
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Plastic,merkuri dan timbal merupakan bahan pencemaran....
tanah
alam
nonbiode gradable
biodegradable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Salah satu upaya manusia melestarikan lingkungan yaitu dengan cara ....
melindungi hewan langka
menjaga keseimbangan ekosistem
meningkatkan devisa negara
meningkatkankan hasil pembangunan
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alvito seorang peserta didik kelas IX. Ia sangat peduli terhadap lingkungan. Ia menggunakan barang-barang hanya saat diperlukan saja, hal tersebut merupakan salah satu prinsip dasar untuk mengurangi pencemaran lingkungan, yaitu ....
reuse
reduce
repair
recycle
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Efek rumah kaca mampu menaikkan suhu di bumi. Hal tersebut terjadi karena udara terlalu banyak mengandung ....
O₂
SO₃
CO
CO₂
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