Name………………………………………………………ADM No……………………………………..….…….
School …………………………………………................. Class …………………..
………………………
231/2
BIOLOGY
PAPER 2
(THEORY)
SEPTEMBER 2022
TIME: 2 HOURS
FORM FOUR
231/2
Biology
Paper 2
2 hours
INSTRUCTIONS TO CANDIDATES
Write your name, index number and school in the spaces provided
Sign and write the date the examination was done in the spaces provided
This paper consists of two sections, section A and section B. Answer ALL the questions
in section A in the spaces provided on the question paper. In section B, answer
question 6 (compulsory) and either question 7 or 8 in the spaces provided after
question 8
Be brief and precise. Unnecessary information and wrong spellings especially of
technical terms shall be penalized
All answers must be written in the English language
FOR EXAMINER’S USE ONLY
QUESTION NUMBER QUESTION MAXIMUM SCORE CANDIDATE’S
SCORE
1 08
2 08
SECTION A 3 08
4 08
5 08
6 20
SECTION B 7 20
8 20
TOTALSCORE 80
Page 1 of 13
, 1. The diagram below shows the exchange site between circulatory system and
body cells.
a) State two adaptations of the capillaries.
(2mks)
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
.............
b) (i) Name the blood cells labeled B.
(1mk)
...............................................................................................................................
...............................................................................................................................
......................................................................
(ii) State the gas that diffuses from B to the tissue cells.
(1mk)
...............................................................................................................................
...............................................................................................................................
......................................................................
c) State two functions of the part labeled A.
(2mks)
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
.........................................................................................................
d) Name the blood vessel with the highest concentration of;
Oxygen. (1mk)
Page 2 of 13
School …………………………………………................. Class …………………..
………………………
231/2
BIOLOGY
PAPER 2
(THEORY)
SEPTEMBER 2022
TIME: 2 HOURS
FORM FOUR
231/2
Biology
Paper 2
2 hours
INSTRUCTIONS TO CANDIDATES
Write your name, index number and school in the spaces provided
Sign and write the date the examination was done in the spaces provided
This paper consists of two sections, section A and section B. Answer ALL the questions
in section A in the spaces provided on the question paper. In section B, answer
question 6 (compulsory) and either question 7 or 8 in the spaces provided after
question 8
Be brief and precise. Unnecessary information and wrong spellings especially of
technical terms shall be penalized
All answers must be written in the English language
FOR EXAMINER’S USE ONLY
QUESTION NUMBER QUESTION MAXIMUM SCORE CANDIDATE’S
SCORE
1 08
2 08
SECTION A 3 08
4 08
5 08
6 20
SECTION B 7 20
8 20
TOTALSCORE 80
Page 1 of 13
, 1. The diagram below shows the exchange site between circulatory system and
body cells.
a) State two adaptations of the capillaries.
(2mks)
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
.............
b) (i) Name the blood cells labeled B.
(1mk)
...............................................................................................................................
...............................................................................................................................
......................................................................
(ii) State the gas that diffuses from B to the tissue cells.
(1mk)
...............................................................................................................................
...............................................................................................................................
......................................................................
c) State two functions of the part labeled A.
(2mks)
...............................................................................................................................
...............................................................................................................................
...............................................................................................................................
.........................................................................................................
d) Name the blood vessel with the highest concentration of;
Oxygen. (1mk)
Page 2 of 13
