MOKASA 1 EVALUATION EXAMINATION
231/1 - BIOLOGY - Paper 1
November - 2020 - 2 Hours
Name: ……………….…………………..………………………… Adm. No: …………….……………
Index No.……………..……. Signature ………..………………………. Date …………………….
INSTRUCTION TO CANDIDATES
a) Write your name and admission number in the spaces provided above.
b) Sign and write the date of the examination in the spaces provided.
c) Answer ALL the questions in this question paper.
d) Answers must be written in the spaces provided
e) This paper consists of 10 printed pages.
f) Candidates should check the question paper to ascertain that all the pages are printed as
indicated and that no questions are missing.
g) Candidates should answer all the questions in English.
FOR EXAMINER’S USE ONLY.
QUESTION 1 2 3 4 5 6 7 8 9
SCORE
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26
1|Page
, Answer all the questions in the spaces provided.
1. State two characteristics of organisms that are easily observed in both animals and plants. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
2. Fingerlings of fish were introduced to two different ponds. Those fingerlings in bond one all died
within four days but the fingerlings in pond two survived.
Suggest the likely reasons why the fingerlings in pond one died. (3 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
3. A student observing a specimen through a microscope viewed a blurred image of the specimen.
Suggest two possible reasons for this observation. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………………….
4. State two processes that take place during anaphase of mitosis. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………………….
5. Distinguish between convergent and divergent evolution. (1 mark)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………..
2|Page
231/1 - BIOLOGY - Paper 1
November - 2020 - 2 Hours
Name: ……………….…………………..………………………… Adm. No: …………….……………
Index No.……………..……. Signature ………..………………………. Date …………………….
INSTRUCTION TO CANDIDATES
a) Write your name and admission number in the spaces provided above.
b) Sign and write the date of the examination in the spaces provided.
c) Answer ALL the questions in this question paper.
d) Answers must be written in the spaces provided
e) This paper consists of 10 printed pages.
f) Candidates should check the question paper to ascertain that all the pages are printed as
indicated and that no questions are missing.
g) Candidates should answer all the questions in English.
FOR EXAMINER’S USE ONLY.
QUESTION 1 2 3 4 5 6 7 8 9
SCORE
10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26
1|Page
, Answer all the questions in the spaces provided.
1. State two characteristics of organisms that are easily observed in both animals and plants. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
2. Fingerlings of fish were introduced to two different ponds. Those fingerlings in bond one all died
within four days but the fingerlings in pond two survived.
Suggest the likely reasons why the fingerlings in pond one died. (3 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
3. A student observing a specimen through a microscope viewed a blurred image of the specimen.
Suggest two possible reasons for this observation. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………………….
4. State two processes that take place during anaphase of mitosis. (2 marks)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………………………………………….
5. Distinguish between convergent and divergent evolution. (1 mark)
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………
………………………………………………………………………………………………………………………………………………………………..
2|Page
