IGCSE Biology Paper-4: Specimen Questions with Answers 156 - 157 of 279

Question 156

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Short Answer▾

Table describes some of the structures of the human circulatory system shown in Fig.

Complete the table.

Table Describes Some of the Structures of the Human Circulatory System Shown in Fig
Descriptionname of structureletter on Fig.
heart chamber with the thickest muscular wallLeft ventricleC
blood vessel that carries oxygenated blood to the heartPulmonary veinS
blood vessel that carries oxygenated blood away from the heartAortaP
blood vessel that carries blood away from the kidneysRenal veinN
blood vessel with the largest lumenvena cavaL

Explanation

Table Describes Some of the Structures of the Human Circulatory System Shown in Fig
Descriptionname of structureletter on Fig.
heart chamber with the thickest muscular wall
blood vessel that carries oxygenated blood to the heart
blood vessel that carries oxygenated blood away from the heart
blood vessel that carries blood away from the kidneys
blood vessel with the largest lumenvena cavaN

Question 157

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Short Answer▾

Describe what happens to the liquid containing penicillin after it is collected from the fermenter

Explanation

After the formation of the product in fermenter, it undergoes through some processes before a finished product is ready for marketing. The processes include separation and purification of products which is collectively called as downstream processing.

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