How to use mark scemes?

[some_one]

Hello guys, I was wondering about how to use the mark scheme. In subjects like biology for a 4 marks question there are 7-8 points in the mark scheme . is it necessary to mention all the points to gain the mark or just 4 out of the rest ?

 

[champ-student]

Hello guys, I was wondering about how to use the mark scheme. In subjects like biology for a 4 marks question there are 7-8 points in the mark scheme . is it necessary to mention all the points to gain the mark or just 4 out of the rest ?

in my papers i only wryt point according t marx...n get ful score.....i gues no...not all point