IGCSE O Level Biology Practice Test 286

Pollution: BOD and Eutrophication MCQ (Multiple Choice Questions) PDF - 286

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Pollution: BOD & Eutrophication Questions and Answers PDF Download: Quiz 286

MCQ 1426: The word BOD refers to the

A) Bidding of Dermatology

B) Binding of Dirt

C) Biochemical occupied Date

D) Biochemical Oxygen demand

MCQ 1427: Self pollination is not possible in

A) dioecious plants only

B) pawpaw only

C) flowers

D) dioecious plants and pawpaw

MCQ 1428: Glycogen (C₂₄H₄₂O₂₁) is a type of

A) Monosaccharide

B) Disaccharides

C) ATPs

D) Polysaccharides

MCQ 1429: Conserving metals may decrease

A) environmental pollution only

B) waste disposal only

C) minerals in the crust

D) environmental pollution and waste disposal

MCQ 1430: Phagocytosis refers to

A) eating foreign particles

B) the formation of pus

C) gives hemoglobin red color

D) can result in a persons death

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