Page 44 - Ranger SPM 2022 Biology

Biology SPM SPM Model Paper
6. Figure 6.1 shows one phase of (ii) State one specific symptom
meiosis in an animal cell. of the disease carried by the
baby.
[1 mark]
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(iii) Give one explanation on the
cause of the genetic disease.
[2 marks]

7. Figure 7 shows a few human organs.
X from oesophagus

Figure 6.1
Liver
(a) (i) Name the meiosis phase
shown in Figure 6.1.
[1 mark]
Gall
(ii) Describe the chromosome stone Pancreas
behaviour in this phase. Y to organ M
[2 marks]

(iii) State one importance of Figure 7
the chromosome behaviour
described in 6(a)(ii). (a) State two differences between
[1 mark] food X and food Y.
[2 marks]
(b) Figure 6.2 shows a karyotype of
a baby with a genetic disease. (b) (i) Name organ M.
[1 mark]
(ii) Explain two adaptive
structures of organ M for it to
function effectively.
1 2 3 4 5 6 7 8
[2 marks]
9 10 11 12 13 14 15 16
(c) An individual has gall stone as
shown in Figure 7. Explain its
17 18 19 20 21 22 23
effect on digestion of lipids.
Figure 6.2 [2 marks]
(i) Name the disease carried by (d) Explain two possibilities that may
the baby. occur if a person’s liver is not
[1 mark] functioning.
[2 marks]

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Model Paper.indd 390 3/29/22 5:22 PM