Biology Mcqs XI [Gaseous Exchange] MCQS Online Test - 1Biology Aptitude Test. 20 Questions from Chapter # 13 Gaseous Exchange.
Q1. A complex process of oxidation-reduction in which food is oxidized to release energy is?
Q3. In higher plants, gas exchange through entire surface of leaves and stem is prevented due to external, waxy covering called.
Q11. In cockroach, tracheae open outside the body through minute, slit-like pores known as:
Q15. Thy lungs of a bird are internally sub-divided into numerous, small, highly vascularized, thin membranous channels called:
Q16. The thoracic cavity is separated from the abdomen by a muscular partition called:
Q20. The internal area of an alveolus is provided with a thin layer of fluid containing: