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IGCSE O Level Biology Practice Test 45

Decomposers in Nature Quiz Questions and Answers PDF - 45

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Decomposers in Nature Quiz Answers PDF Download: Test 45

MCQ 221: Before discharging decomposed sewage into rivers and seas, the

A) water is filtered only
B) pathogens are removed only
C) pH of sewage is neutralized
D) water is filtered and pathogens are removed

MCQ 222: If iodine is applied to glycogen-rich food, the resulting color will be

A) violet
B) blue-black
C) red
D) brown

MCQ 223: Germination of 101 years old seeds, was observed in

A) Melon family
B) Arctic Tundra Lupine
C) Moth Mullein
D) Hesperidiums

MCQ 224: Advantages of Artificial Methods of Vegetative Reproduction include

A) crops with better quality
B) crops with more yield
C) ability to produce plants with desirable qualities
D) all of above

MCQ 225: Water insolubility of glycogen makes it excellent for

A) polymerization
B) suitable for storage materials
C) late digestion
D) weight loss

IGCSE O Level Biology Exam Prep Tests

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MCAT Biology App (Android & iOS)