Biology Form 2 Question Paper
Biology Form 2
Course:Secondary Level
Institution: Kcse question papers
Exam Year:2011
END OF TERM II EXAM 2011
BIOLOGY FORM II
INSTRUCTIONS
Answer all questions in the spaces provided.
1. Define the term :
(i) Cell physiology.(1/2mks)
( ii) Cell specialization.(1/2)
2. Name 3 types of tissues found in human body (3mks)
(i)
(iii)
(3) Name 2 factors that determine energy requirement in human being (2mks)
( i)
(ii)
( iii)
4. What is an enzyme. (1mk)
5. (a) Name the blood vessels which supply the blood within the heart and a disease
associated with these vessels (2mks)
. ( b) Describe how red blood cells are adapted to their function.(3mks)
( i)
( ii)
( iii)
(c) To what advantages do the red blood cells have to the described advantages.(3mks)
( i)
(ii)
( iii)
(d) Draw and name a well labeled diagram showing how blood circulates to various organs in the body.(8mks)
6 (a) The figure below shows incomplete mechanisms of blood clotting.
Damaged cells +Platetes
?
Prothrombin
?? Thrombokanase/Thromboplastin
X
?
Y ? Meshwork
Complete the missing labels X and Y (2Mks)
X-----------
Y------------
(b) Name the anti- clotting factor found in the blood which prevents the blood from clotting within the vessels (mk)
7(a) Name 4 forces involved in movement of water and mineral salts through a plant 4mks)
i)
ii)
iii)
iv )
( b) Explain how the following plant adaptation minimize rate of transpiration.(4mks)
(i)Sunken stomata
(ii) Leaf folding
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