IGCSE O Level Biology MCQs – Mock Test 86

O Level 2014 Biology MCQs with Answers PDF Download – Test 86

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O Level 2014 Biology MCQs – Mock Test 86 PDF Download

MCQ 426: Damage to nervous system and limb paralysis is caused due to:

rickets
beriberi
diabetes
scurvy

MCQ 427: In rigorous exercises, fatigue results due to:

high concentration of ethanol
high concentration of lactic acids
partial breakdown of glucose
a loss of oxygen debt

MCQ 428: Mechanisms to loose heat in larger animals include all of others but;:

spraying water over body
flapping big ears
more body hair
avoiding sun basking

MCQ 429: Capillary action plays a pert in upward movement of water in:

pith cells
epidermis cells
woody trees
small plants

MCQ 430: If water containing DDT (dichloro-diphenyl-trichloroethane: C₁₄H₉O₅) is fed upon by cattle, it will:

get stored in the liver
get stored in the fatty tissues of animals
be excreted out with urine
get stored in the muscle fibers

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