Kitar Nutrien dan ekosistem - sains t2
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Hard
nor Mohamad
Used 61+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Pemindahan nutrien dan tenaga berlaku secara berterusan dalam suatu ekosistem. Nutrien diperoleh dari ekosistem yang seimbang dan digunakan oleh benda hidup. Kemudian, nutrien dikembalikan ke persekitaran untuk digunakan semula. Kitaran ini disebut sebagai ....................
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Air diserap oleh akar tumbuhan dari tanah dan dibebaskan ke atmosfera melalui..............................
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akar tumbuhan mencengkam tanah dan menjadikan struktur tanah lebih kukuh. Hal ini menyebabkan aliran
air di bawah tanah perlahan dan dapat mengelakkan .............................
A. hakisan tanah
B. hakisan air
C. pergerakan pokok
D. pokok tumbang
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kitar angin
kitar air
kitar hujan
kitar awan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Daun-daun pokok yang gugur menutupi permukaan tanah akan mengurangkan kadar penyejatan air dan mengelakkan..................................
daun menjadi kering
tanah menjadi subur
tanah menjadi kering
daun jadi layu
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tumbuhan dan haiwan melakukan ........................... yang menggunakan oksigen dan membebaskan karbon dioksida.
fotosintesis
transpirasi
kapilari
respirasi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tumbuhan dan haiwan yang telah mati diuraikan oleh bakteria dan kulat di dalam tanah menggunakan oksigen lalu membebaskan ................
karbon dioksida
karbon
nitrogen
hidrogen
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