IGCSE O Level Biology Practice Test 178

Pollution: Causes of Pollution MCQ (Multiple Choice Questions) PDF - 178

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Pollution: Causes of Pollution Questions and Answers PDF Download: Quiz 178

MCQ 886: Gaseous pollutants include

A) biological decay

B) forest fires

C) volcanic eruptions

D) all of above

MCQ 887: Branches of leaf veins end in

A) upper epidermis

B) lower epidermis

C) mesophyll cells

D) none of others

MCQ 888: Cell surface membrane does not support in all of others but

A) osmosis

B) leakage of water to the soil

C) leakage of salts and amino acids to the soil

D) reducing the cell surface: volume ratio

MCQ 889: Combination of glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) molecules result in

A) maltose

B) sucrose

C) galactose

D) lactose

MCQ 890: In context of respiration, inspired air has

A) less oxygen

B) more water vapors

C) less carbon dioxide

D) a high temperature

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