IGCSE O Level Biology MCQs - Chapter 6

Ecology: O level Biology Multiple Choice Questions (MCQ) PDF Download - 22

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The Quiz: In an ecosystem, Pneumatophores grow;; "Ecology O level Biology" App APK Download [Free] 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 Kindle eBook (Free Sample) to learn online IGCSE courses.

Ecology O level Biology Test Questions and Answers PDF Download: MCQ 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

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