unit 2a exam questions marking scheme...xhy and x x / xhxh if (a)(i) incorrect do not penalise twice...
TRANSCRIPT
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Unit 2a Exam Questions MARKING SCHEME
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5. a hormone X: FSH
Tissue Y: Interstitial cells
5. b. i. prostate (gland)
5. b. ii. They maintain the mobility / viability of the sperm
Or specific example: sugar / glucose / fructose provides energy for sperm
Prostaglandins stimulate contraction of female reproductive tract
/system/cervix/uterus
Enzymes keep semen/fluid that the sperm swim in at the correct
viscosity/thickness
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5.a.
5.b.
5.c.
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(ignore the scribble – you can and should have done Q 4b.)