O level north west regional mock gce 2022 human biology 2
O level north west regional mock gce 2022 human biology 2
1 a) What do you understand by the following terms:
i) Peristalsis
ii) Digestion
iii) Absorption
iv) Egestion
b) Describe digestion in the duodenum.
c) What are those characteristics that make the ileum suitable for carrying
absorption?
(8, 8, 4 marks}
/
2 a) State the functions of the human skeleton.
b) Draw a well–labelled diagram of a synovial joint.
c) Describe how movement is brought about at the elbow joint.
d) Differentiate between tendons and ligaments.
(6, 5, 7, 2 marks)
3 a) Draw find label the horizontal section through the human eye.
b) (i) What is Accommodation?
(ii) Describe the adjustments which occur in the eye v/hen a far object is viewed.
c) Briefly explain what causes long–sightedness and how it can be corrected.
(8, 9, 3 marks)
4 a) (i) What is Immunity?
(ii) Describe the various types of immunity, giving examples of each,
b) State the various ways in which white blood cells defend the body.
(2, 15, 3 marks)
5 a) What do you understand by the following terms:
i) Miscarriage
ii) Caesarean Section
b) Describe the birth process in human females.
c) Describe the formation of
i)Jdentical twins
ii) Non–identical or fraternal twins
d) What are the negative effects of smoking cigarettes during pregnancy?
