Page 60 - Science Coursebook
P. 60
Unit 3 End of unit questions
3.1 Choose the word that matches each of these descriptions. You can use each word
once, more than once or not at all.
cytoplasm DNA environment fertilisation gene
inheritance nucleus protein unit variation
a The chemical from which chromosomes are made.
b The part of a cell in which chromosomes are found.
c Part of a chromosome that determines one particular characteristic of an organism.
d The passing on of genes from parents to their offspring.
e Differences between organisms belonging to the same species. [5]
3.2 The photograph shows six flowers A–F.
C
A B
D E F
Complete the key, to allow someone to identify each of the flowers. The Latin names
of the flowers are:
A Limnanthes B Viola C Potentilla D Lunaria
E Erodium F Silene
1 a flower has four petals ..................... Lunaria
b flower has more than four petals ... go to 2
2 a
b [5]
58 3 Variation and inheritance
