2.2 Organ Utama Pertukaran Gas

Quiz
•
Biology
•
11th Grade
•
Easy
CHAN Moe
Used 100+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah organ utama pertukaran gas?
Lamina
Petiol
stoma
Sel pengawal
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah struktur yang mengawal atur pembukaan dan penutupan stoma dengan menukarkan
bentuknya?
Lamina
Petiol
stoma
Sel pengawal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapakah kaktus hanya membuka liang stoma pada waktu malam?
Lebih banyak gas karbon dioksida dapat digunakan untuk fotosintesis
Lebih sejuk dapat mengurangkan kehilangan air.
Lebih mudah gas oksigen dilepaskan ke persekitaran
Lebih banyak tenaga dihasilkan dapat digunakan untuk respirasi
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah faktor yang mempengaruhi pembukaan dan penutupan liang stoma?
keadaan sel pengawal segah
keadaan sel rakan flasid
keadaan sel pengawal sama ada segah atau flasid
keadaan sel rakan sama ada segah atau flasid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mengapa liang stoma tertutup pada waktu panas?
Tiada proses fotosintesis berlaku
untuk mengelakkan kemasukkan debu.
Untuk mengurangkan kehilangan air yang banyak melalui transpirasi.
Untuk mengurangkan kehilangan air yang banyak melalui proses fotosintesis.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sel pengawal yang flasid dan lurus menyebabkan stoma..
Tidak berubah
Tertutup
Terbuka
Mengembang
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sel pengawal yang segah dan membengkok menyebabkan stoma...
Terbuka
Tertutup
Tidak berubah
Mengembang
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