21 July 2013

Biology Mcqs XI [Gaseous Exchange] Online Test 1

Biology Mcqs XI [Gaseous Exchange] MCQS Online Test - 1

Biology 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?
Q2. Atmospheric air contains:
Q3. In higher plants, gas exchange through entire surface of leaves and stem is prevented due to external, waxy covering called.
Q4. “Stomata” is formed by two modified epidermal bean-shaped:
Q5. In woody stems, respiratory gases can move freely In and out of stem through:
Q6. Plants in which photorespiration occurs are termed biochemically as
Q7. Enzyme present in the process of photorespiration is:
Q8. Regarding “Hydra”, which statement is incorrect?
Q9. Earth worm respires through:
Q10. Respiratory organ of cockroach is:
Q11. In cockroach, tracheae open outside the body through minute, slit-like pores known as:
Q12. There are _______ pairs of spiracles on lateral sides of cockroach:
Q13. Respiratory organs in fish are called:
Q14. Gas exchange is facilitated in gills due to:
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:
Q17. Which one is the correct sequence of Respiratory passage in man?
Q18. A common opening for food as well as air is:
Q19. The site of exchange of respiratory gases is:
Q20. The internal area of an alveolus is provided with a thin layer of fluid containing:
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