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Form 2 Biology 2018 End Of Term One Question Paper

Form 2 Biology 2018 End Of Term One

Course:Biology

Exam Year:2018

BIWOTT SECONDARY SCHOOL
FORM 2 BIOLOGY 2018
END OF TERM ONE
NAME…………CLASS…………………ADM……………
Give two main branches of biology and for each ,give a definition(2mks)

If magnification of a drawing is x10 and the drawing length is x50. What is the actual length of the object (2mks)

State the function of lipids in the human body(2mks)

State factors that determine energy requirements in human beings(4mks)

a) Name the part of chloroplast where each of the following activities takes place(2mks)
Light stage
Dark stage

b) state the role of chlorophyll in photosynthesis (2mks)

c)state the adaptation of chloroplast to its functions (2mks)

d) Name 3 types of cells in a leaf that carry out photosynthesis (3MKS)

define the term species(2mks)

state the function of the following parts of a microscope (3mks)

Fine adjustment knob

Eye piece

diaphragm

the diagram below represents a transverse section through a plant organ

From which plant organ was the section obtained?(1mk)

Give 2 reasons for your answer in(a) above (2mks)

Name the parts labeled M,N and P (3mks)
M
N
P
State two functions of the part labeled Q (2mks)

List the function of water in a plant (4mks)

Give 5 differences between arteries and veins (5mks)

A set up that was used to investigate a certain process in plants is shown in the diagram below

What is this apparatus used for (1mk)

Giving reasons state the precautions that would be taken when setting up the experiment? (4mks)

State 3 environmental factors that affect the process under investigation (3mks)

Give the functions of the following organelles (5mks)
Mitochondrion

Smooth endoplasmic reticulum

Ribosomes

Golgi bodies

Cell wall

Explain 3 properties of cell membrane (6mks)

Explain 5 factors affecting diffusion (5mks)

Give 5 roles of osmosis in organisms (5MKS)

Give the difference between xylem vessel and a phloem (4mks)

Define the following terms
Saprophytism

Parasitism

Symbiosis
State 5 factors affecting the rate of transpiration (5mks)

19 a) explain adaptation of heart to its functions (10mks)

b) Explain adaptations of a leaf to its photosynthetic function (10mks)

Form 2 Biology 2018 End Of Term One Question Paper

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