
T4_BAB10_10.2(10soalan)
Authored by CIK MAISARAH BINTI HUSSAIN KPM-Guru
Science
12th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara berikut, yang manakah merupakan faktor dalaman yang menyebabkan radikal bebas terhasil?
I dan IV
II dan III
I, II dan IV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah yang menyebabkan penuaan dalam badan manusia?
Bahan antioksidan
Anion
Bahan aktif dalam makanan tambahan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah di bawah menunjukkan bahan X yang boleh menghentikan tindakan radikal bebas. Apakah bahan X?
Protein
Vitamin A
Streptomisin
Asid askorbik
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagimanakah radikal bebas memainkan peranan dalam perkembangan kanser?
Mereka merosakkan DNA
Mereka merosakkan RNA
Mereka merosakkan protein
Mereka merosakkan membran plasma
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah itu radikal bebas?
Molekul dengan elektron valens yang berpasangan
Molekul dengan elektron valens tanpa pasangan
Molekul yang tidak bertindak balas dalam suatu tindak balas
Molekul yang bersedia untuk bertindak balas dalam suatu tindak balas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rajah 1 menunjukkan dua zarah oksigen. Apakah X?
Kation
Anion
Ion
Radikal bebas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Antara permasalahan kesihatan berikut, yang manakah disebabkan oleh kesan radikal bebas pada bahagian bawah perut?
Hipertensi
Hati berlemak
Kegagalan ginjal
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