Question 25
Question 25 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
8. Transport in mammals
8.1. The circulatory system

recognise arteries, veins and capillaries from microscope slides, photomicrographs and electron micrographs and make plan diagrams showing the structure of arteries and veins in transverse section (TS) and longitudinal section (LS)

16. Inheritance
16.2. The roles of genes in determi...

explain the terms gene, locus, allele, dominant, recessive, codominant, linkage, test cross, F1, F2, phenotype, genotype, homozygous and heterozygous

13. Photosynthesis
13.1. Photosynthesis as an energy t...

describe the relationship between the structure of chloroplasts, as shown in diagrams and electron micrographs, and their function