Gaseous Exchange Questions and Answers

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Name the structure or surfaces involved in the gaseous exchange in the following organisms.

asked Aug 30, 2021 in Biology Form 2 by anony mous

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The diagram below shows the structure of a gill of a bony fish.

asked Aug 30, 2021 in Biology Form 2 by anony mous

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What is gaseous exchange?

asked Aug 30, 2021 in Biology Form 2 by anony mous

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What are the differences between blood in the pulmonary artery and that in the pulmonary vein?

asked Aug 23, 2021 in Biology Form 2 by anony mous

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The relationship between oxygen concentration, potassium gain and sugar loss in isolated barley root was determined. The results obtained are given in the table below. (The sugar loss and potassium gain are expressed in arbitrary units).

asked Aug 19, 2021 in Biology Form 2 by anonymous

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The following set up was set for the form two class to study a certain concept.

asked Aug 19, 2021 in Biology Form 2 by anonymous

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Describe the mechanism of gaseous exchange in the gills of a bony fish.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Explain how gills of a fish are adapted to the process of gaseous exchange.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Describe the processes that occur in the chest cavity during inspiration.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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State and explain how respiratory surfaces are adapted for gaseous exchange.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Some students set-up the apparatus shown below to demonstrate the breathing mechanism in a mammal.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the causative agent of the diseases below

asked Aug 6, 2021 in Biology Form 2 by anony mous

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State two advantages of breathing through the nostrils instead of through the mouth in mammals.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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Name the part of the brain that influences breathing rate.

asked Aug 6, 2021 in Biology Form 2 by anony mous

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List the changes that takes place during inhalation in the breathing cycle of mammal in the following

asked Jul 28, 2021 in Biology Form 2 by anonymous

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State two ways in which floating leaves of aquatic plant are adapted for gaseous exchange

asked Jul 28, 2021 in Biology Form 2 by anonymous

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explain how lungs adapted to their function

asked Jul 27, 2021 in Biology Form 2 by boot

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The diagram below illustrates an experimental set up to compare relative amounts of a gas in inhaled air and exhaled air.

asked Jul 8, 2021 in Biology Form 2 by anonymous

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Two farmers prepared two ponds Q and R and introduced equal number of fish in each pond. The fish in pond Q died within seven days of being introduced into the pond. Those of pond R survived. On close examination of the ponds, it was found that one of the ponds was full of algae and the other had no algae.

asked Jul 8, 2021 in Biology Form 2 by anonymous

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Under certain conditions, the carbon(IV) oxide concentration in the blood of a mammal rises above normal level. State two physiological changes that occur in the body to lower the carbon(IV) oxide back to normal.

asked Jul 8, 2021 in Biology Form 2 by anonymous

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