IGCSE O Level Biology Certification MCQs – Mock Test 143

Physical Environment: Ecology Notes Questions with Answers PDF Download – Test 143

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Physical Environment: Ecology MCQs – Mock Test 143 PDF Download

MCQ 711: All parts of the Earth where life can be found are called:

populations
ecosystems
biosphere
communities

MCQ 712: Cellulose (C₆H₁₀O₅)_n is a form of:

monosaccharide
disaccharides
polymerization
Polysaccharides

MCQ 713: Enzyme 'Enterokinase' is found in:

saliva
gastric Juice
pancreatic Juice
intestinal juice

MCQ 714: High concentrations of carbon monoxide (CO):

reduces capacity of blood transport
reduces capacity of oxygen transportation through blood in the body
is caused due to incomplete fossil decay
is caused due to smog formation

MCQ 715: Reproductive nuclei of flower are known as:

male gametes
female gametes
male gonads
female gonads

Physical Environment: Ecology Notes App & eBook – IGCSE O Level Biology Certification Guide

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