Cambridge Programs Online Courses

O Level Biology Quizzes

O Level Biology MCQs - Complete

Human Respiration Multiple Choice Questions PDF p. 290

Solve Human Respiration multiple choice questions and answers, human respiration quiz answers PDF 290 to learn O Level Biology course for college certification. Learn Respiration in Biology MCQ questions bank, human respiration Multiple Choice Questions (MCQ) for online college degrees. "Human respiration MCQ" PDF book: smoking related diseases: lung cancer, pollution: pesticides and ddt, human respiration test prep for free online college courses.

"Carbon dioxide (CO2) can", human respiration Multiple Choice Questions (MCQ) with choices be lost through root hairs, not be lost by root, enter the root through root hairs, and not be produced in tissue respiration for online college bachelor degree. Solve respiration in biology questions and answers to improve problem solving skills for online college classes.

Human Respiration Questions and Answers


Carbon dioxide (CO2) can

not be lost by root
be lost through root hairs
enter the root through root hairs
not be produced in tissue respiration


DDT (dichloro-diphenyl-trichloroethane: C14H9Cl5) is a form of



In cirrhosis, damaged liver cells are replaced by

toxins like benzoic acid
large amount of peptones
fibrous tissues
fibrous muscles


If genetic material from same species is used or species that can naturally breed with the host then the organism generated is

clone genes
cross genes


In tubifax worms, the tolerance range for oxygen

is very low
is very high
is zero
is 100%
Download Free Apps: