Biology 5090/21 — October/November 2020
Cambridge O-Level · Theory · worked solutions for every part, with the mark scheme
Topics Organisms and Their Environment · Respiration · Sexual Reproduction in Humans · Movement Into and Out of Cells · Inheritance · Human Nutrition · +6 more
The diagram represents what the human alimentary canal would look like if it was removed from a person and straightened out.
Identify the parts A, B, C and D labelled on the diagram.
A ______
B ______
C ______
D ______
State which part has the absorption of water as its main function.
______
Gastric (stomach) by-pass surgery is sometimes used to help a person to lose weight. The diagram shows the result of this type of surgery.
The digestion of one food substance is most likely to be affected by this surgery.
State which food substance and explain your answer.
food substance ______
explanation = ______
Suggest how this surgery may help a person to lose weight.
The rest of this paper
8 more questions- Q2Plant Nutrition · Organisms and Their Environment · Respiration · Enzymes10M
- Q3Human Gas Exchange · Organisms and Their Environment11M
- Q4Disease and Immunity · Sexual Reproduction in Humans · Movement Into and Out of Cells10M
- Q5Movement Into and Out of Cells9M
- Q6Transport in Humans · Respiration10M
- Q7Organisms and Their Environment · Respiration10M
- Q8Cell Division and Reproduction · Inheritance · Organisms and Their Environment10M
- Q9Inheritance · Sexual Reproduction in Humans10M