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Question 17N.3.HL.TZ0.02b.i

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.3.HL.TZ0.02b.i
Level HL Paper 3 Time zone TZ0
Command term Calculate Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
17N.3.HL.TZ0.02b.i

The light micrograph shows a cross section of seminiferous tubules.

[Source: Micrograph of a seminiferous tubule with sperm by Nephron (https://commons.wikimedia.org/wiki/File:Seminiferous_tubule_and_sperm_low_mag.jpg)]

(b.i)

Calculate the actual size of the seminiferous tubule in the area indicated by the line across it, giving the units.

[1]

Markscheme

62 mm Υ400 = 0.155 mm/155 μm/micrometers/10-6 m

OR

61 mm Υ400 = 0.153 mm/153 μm/micrometers/10–6 m

Calculation and units required. Accept correct answers expressed in cm

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