O Level

Biology MCQs

O Level Biology MCQs - Complete

Human Biology Questions and Answers p. 339

Human Biology trivia questions and answers, human biology quiz answers PDF 339 to practice O level biology exam questions for online classes. Practice "Effects of Human Activity on Ecosystem" trivia questions and answers, human biology Multiple Choice Questions (MCQ) for online college degrees. Free human biology MCQs, carboxyhaemoglobin, o level 2014 biology, structure of a wind pollinated flower, habitat specialization due to salinity, human biology test prep for SAT subject tests.

"In humans, the sensitivity of respiratory diseases, eyes, and air passages is experienced due to", human biology Multiple Choice Questions (MCQ) with choices lead, carbon dioxide, carbon monoxide, and sulphur dioxide for colleges that offer online courses. Learn effects of human activity on ecosystem questions and answers to improve problem solving skills for GRE prep classes.

Trivia Quiz on Human Biology

1.

In humans, the sensitivity of respiratory diseases, eyes, and air passages is experienced due to

carbon dioxide
lead
carbon monoxide
sulphur dioxide

2.

PH (power of Hydrogen) of about 8 is characteristic of

sea water
fresh water
stagnant water
lime water

3.

Dull colored, smaller and non-scented flowers rely upon

insect-pollination
wind pollination
self pollination
cross pollination

4.

Fish can come to the surface of the water for air-breathing in waters of

low oxygen concentration
high oxygen concentration
low hydrogen concentration
high hydrogen concentration

5.

Carboxyhemoglobin is of

bright red
purplish red
bright pink
dark red