Gaseous Exchange Multiple Choice Questions and Answers 22 PDF Download

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Study high school biology multiple choice questions (MCQs): length of windpipe which is present in front of esophagus is, for free online courses with choices 14 cm, 12 cm, 14.5 cm, and 16 cm, gaseous exchange in humans quiz with trivia questions and answers to online learn theories concepts with biology practice tests. Free biology study guide for online learning gaseous exchange in humans quiz questions to attempt multiple choice questions based test.

MCQs on Gaseous Exchange Worksheets 22 Quiz PDF Download

MCQ: Length of windpipe which is present in front of esophagus is

  1. 12 cm
  2. 14 cm
  3. 14.5 cm
  4. 16 cm

A

MCQ: During night when there is no photosynthesis, leaf cells get oxygen from

  1. Mesophyll cell
  2. Epidermal cell
  3. Cuticle cell
  4. Environment

D