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

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

1. rickets
2. beriberi
3. diabetes
4. scurvy

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

1. high concentration of ethanol
2. high concentration of lactic acids
3. partial breakdown of glucose
4. a loss of oxygen debt

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

1. spraying water over body
2. flapping big ears
3. more body hair
4. avoiding sun basking

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

1. pith cells
2. epidermis cells
3. woody trees
4. small plants

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

1. get stored in the liver
2. get stored in the fatty tissues of animals
3. be excreted out with urine
4. get stored in the muscle fibers