8.3 Mikroorganisma dan Virus - KITAR NITROGEN (PART 2)
Quiz
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Medium
MAAROFF ARSHAD
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kehadiran mikroorganisma di dalam tanah boleh mendatangkan kebaikan dalam mengekalkan kitar nitrogen. Apakah kepentingan nitrogen kepada tumbuhan?
Unsur untuk membina protein
Unsur untuk membina karbohidrat
Unsur untuk membina lipid
Membantu fotosintesis
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Mengapakah protein (C,H,O,N) sangat perlu kepada tumbuhan?
Pertumbuhan
Sintesis antibodi
Bina sel baru
Sintesis enzim & hormon
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah sebatian yang hanya boleh diserap oleh akar bagi mendapatkan unsur nitrogen?
Ion nitrit
Ion ammonium
Ion nitrat
Ammonia
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Pilih kaedah-kaedah bagaimana unsur nitrogen daripada udara dikembalikan ke dalam tanah dalam bentuk sebatian lain.
Kilat
Hujan
Baja
Pereputan organisma mati
Bakteria pengikat nitrogen
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah peranan kilat dalam kitar nitrogen?
Mengikat nitrogen dan dibekalkan kepada bakteria tanah
Menyebabkan nitrogen meresap melalui liang stoma daun
Mengoksidakan gas nitrogen kepada ion nitrat dan meresap dalam tanah
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Apakah peranan bakteria Rhizobium yang hidup di dalam nodul akar pokok kekacang atau legum?
Menyingkirkan nitrogen ke udara semula
Mengikat nitrogen daripada udara menjadi ion nitrat
Menyerap ion nitrat daripada akar
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Apakah yang berlaku kepada organisma mati, bahan buangan haiwan dan baja di atas tanah?
Meresap ke dalam tanah dan hilang
Diuraikan oleh bakteria atau kulat kepada ammonia
Pereputan atau penguraian
Terus menjadi ion nitrat tanpa penguraian
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