IGCSE O Level Biology MCQs - Chapter 6
Ecology: O level Biology Quiz Questions & Answers PDF Download - 3
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The Quiz MCQ: Sea water is alkaline with a pH of;; "Ecology O level Biology" App (iOS & Android) with answers: 8; Less than 8; 9; 10; to study online classes courses. Study Structure of Cell & Protoplasm: Biology Quiz Questions, download Amazon eBook (Free Sample) for online college for teaching degree.
Ecology O level Biology Exam Questions and Answers PDF Download: Test 3
Sea water is alkaline with a pH of
- less than 8
- 8
- 9
- 10
Interaction of living things and non-living things is known as
- ecological niche
- ecological community
- ecosystem
- ecology
Type of energy trapped in dead bodies is in form of
- physical energy
- radiant energy
- chemical energy
- biochemical energy
Energy pyramid is broader at base and narrower at apex, as the energy
- increases along the food chain
- decreases along the food chain
- remains same along the food chain
- may increase or decrease along the food chain
Seldom fatal disease is known as
- malignant
- benign
- tertian malaria
- anemia
IGCSE O Level Biology Mock Tests
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