B2-6-mark-questions.pptx

8/17/2019 B2-6-mark-questions.pptx

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Edexcel B2

6 Mark QuestionPracticeLO: To develop and improve extended writingskills

and exam tecni!ue


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Lev

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arks

Level2%"to&marks

(intsMitosis Meiosis

Box the command word “Compare”Remember:

Tis re!uires )ou to describe te similarities and*ordiferences +etween tings, not -ust write a+out one./0 )ou are asked to 1compare x wit ), )ou need to writedown someting a+out x and someting a+out ), andsould give a comparison.

Underline the key terms you need

to describe

3omplexanswer

Extensive ke)

words

Logical order

Excellentspelling,

punctuationand grammar

4etailedanswer

Man) ke)words

3lear order

5ood spelling,punctuation

and grammar

imple answer

7ew ke) words

8o order

Poor spelling,punctuation

and grammar

Markingcriteria


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Model answer '


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Model answer 2


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Lev

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Level2%"to&marks

Hints

D! structural "eatures:9two strands

9dou+le elix9contains; +ases


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Model answer '


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Level 2 answer


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Lev

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Hintswater

• through the xylem

• capillary action

• osmosis into cells in the leaf

• evaporation from leaves

• transpiration stream

•diffusion into the atmosphere

• through stomata

glucose

• converted to sucrose

• dissolved in water

• through the phloem

bidirectional mineral salts

• dissolved in water

• through the xylem

• from root to tip

3omplexanswer

Extensive ke)

words

Logical order

Excellentspelling,

punctuationand grammar4etailed

answer

Man) ke)words

3lear order


and grammar

imple answer

7ew ke) words

8o order


and grammar

Markingcriteria

Box the command word“&xplain”

Remember:3andidates sould makesometing clear, or state tereasons 0or sometingappening.

Te points in te answermust +e linked coerentl)and logicall).

Te answer sould not +e asimple list o0 reasons.Underline the key

concept


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Model answer


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Hints@ 0ertilisation o0 egg +) sperm@ re0 to 0usion o0 nuclei@ 0orming diploid cell

re0 to A)gote@ A)gote; divides +) mitosis@ to 0orm identical cells@ several mitotic divisions@ growt o0 0oetus@ examples o0 ow 0oetus grows eg in eigt,mass@ stem cells in em+r)o

@ specialisation * dierentiation o0 stem; cellsinto dierent cell t)pes

3omplexanswer

Extensive ke)

words

Logical order

Excellentspelling,


answer

Man) ke)words

3lear order


and grammar

imple answer

7ew ke) words

8o order


and grammar

Markingcriteria

Remember: Te answer must +e+ased on tein0ormation given in

te !uestion.Unless thein"ormation $i%en inthe 'uestion isused( no marks canbe $i%en)


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Model L" answer


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Model level 2 answer


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Lev

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Hintsames o" en*ymes:car+o)drases@ named car+o)drase eg am)laseproteases@ named protease eg pepsinlipases@ named lipase+eneral points about en*yme action:@ +reakdown o0 large * insolu+le * namedmolecules into small * solu+le * namedmolecules@ 0or a+sorption@ catal)sts

@ speeds up reactions@ active sites tat +ind to su+strate,dea o" #peci-c points:@ car+o)drates* starc are +roken down@ into sugars * glucose@ proteins *named protein are +roken down@ into amino acids@ 0ats * oils * lipids * named lipid are +rokendown@ into 0att) acids *gl)cerol

3omplexanswer

Extensive ke)

words

Logical order

Excellentspelling,


answer

Man) ke)words

3lear order


and grammar

imple answer

7ew ke) words

8o order


and grammar

Markingcriteria

Box thecommandword “

Describe”Remember: ?ou sould recall some 0acts, eventsor process in anaccurate

?ou ma) need to$i%e an accounto0 wat sometinglooked like, orwat appened. Underline the

key term


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Model L" answer


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B2-6-mark-questions.pptx

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