Biology 5090/22 — May/June 2016
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Sexual Reproduction in Plants · Biotechnology and Genetic Modification · Enzymes · Transport in Flowering Plants · Sexual Reproduction in Humans · Disease and Immunity · +10 more
The grape plant has many flowers clustered together on each flowering head. Fig. 1.1 shows the structure of one mature grape flower.
Name two parts, normally found in other flowers, that are missing from this mature flower.
- ______
- ______
Suggest the type of pollination found in the grape plant and give a reason for your choice.
type of pollination = ______
reason = ______
Fig. 1.2 shows a section through a fruit that develops from the same flower.
Name the structure labelled A in Fig. 1.2.
______
Suggest how part A is dispersed and give reasons for your answer.
The outer skin of the ripe grape fruit is covered by a powdery microorganism that is responsible for converting grape juice into wine (a drink that contains alcohol).
Suggest the identity of this microorganism.
______
Explain how this microorganism is involved in making wine.
The rest of this paper
8 more questions- Q2Sexual Reproduction in Humans · Disease and Immunity · Transport in Humans9M
- Q3Human Nutrition · Enzymes10M
- Q4Plant Nutrition · Transport in Flowering Plants · Respiration11M
- Q5Human Gas Exchange8M
- Q6Cell Structure and Organisation · Movement Into and Out of Cells10M
- Q7Sexual Reproduction in Plants · Transport in Flowering Plants10M
- Q8Biotechnology and Genetic Modification · Classification10M
- Q9Inheritance · Cell Division and Reproduction10M