IGCSE O Level Biology MCQs – Practice Test 22 (Chapter 6)

Ecology: O level Biology MCQ with Answers PDF Download – Test 22

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The MCQ: In an ecosystem, Pneumatophores grow; "IGCSE O Level Biology MCQ" App (Android, iOS) with answers: downward in soil, downward in water, upward in water, and upward in soil to learn online IGCSE courses. Practice Learning with Biology Quiz Questions, download Apple Book (Free Chapter) for colleges that offer certificate programs.

Ecology O level Biology MCQ with Answers PDF Download: Quiz 22

MCQ 106: In an ecosystem, Pneumatophores grow:

downward in water
downward in soil
upward in water
upward in soil

MCQ 107: Glucose (C₆H₁₂O₆) is formed during photosynthesis, by:

getting water through roots
carbon dioxide entering through stomata
minerals obtained through fertilizers
oxygen being used in respiration

MCQ 108: Along the food chain, the total energy level:

increases progressively
decreases progressively
increases aggressively
decreases aggressively

MCQ 109: In marram grass, water loss is reduced through:

fewer leaves
enlarged stomata
stomata covered by tiny hairs
lenticels

MCQ 110: If an organism of one trophic level is a parasite, the pyramid number gets:

higher
inverted
lower
infected

Ecology: O level Biology MCQ App & e-Book – IGCSE O Level Biology Entrance Exam

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