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Year 7 KS3

1.a) From the list of things which living organisms can do, choose two which bees can do and dandelions cannot do: (2 marks)

Move   make their own food     reproduce     grow       breathe in and out


1.b) From the same list of words choose one which dandelions can do and bees cannot do (1 mark)


1.c) Name two things not listed above which all living things can do (2 marks)


1.d) Fill in the gaps in the following sentences using the words given below:

Stimulus    movement    increase    food     nutrition    reproduction    waste

All living organisms show these seven characteristics of life –MR GREEN

_____________ means they can move all or part of their bodies. Respiration means they can release energy from _____________ . Growth means they _______________ in size. _________________ means that new organisms are produced. Excretion means the removal of _______________ produced by the organism. Excitability means being able to react to a _____________ . ________________ Means being able to obtain food to use for growth and to repair the body.   (7 marks)


2.a) On the diagrams of the cells below label three parts which both plant and animal cells have (3 marks)

Life processes and cell activity – 2: Cells

2.b) Name two parts which plant cells have but animal cells do not (2 marks)


2.c) Join together the parts of the cells and their correct functions using a ruled line:

Cells become specialised to perform a particular function. For each cell below label a part which allows it to perform its function well and also describe the function it performs

4. Why do root hair cells not have chloroplasts? (1 mark)


5. Euglena is a single celled organism. It lives in pond water. Euglena makes a sugar called glucose.

a Give the name of the process in which Euglena makes glucose (1 marks)


b Euglena produces starch grains from glucose. Explain what will happen to the number of starch grains in the cell if Euglena is kept in the dark. (2 marks)



30 Marks total

teacher wrksheet.doc