Hedging your bets in an exam?

Is it true that if you 'hedge your bets' in an exam you may not be awarded a mark?

By this I mean, say a question asks for 'ONE advantage' of something, and you list two just the ensure you are awarded a mark.

I came across someone that suggested you must get both statements right in this case to be awarded a mark because you've hedged your bets.

Is this true??

Reply 1

LiquidGold

Yes that would be true. If one was wrong and one was right, then you wouldn't get the mark because effectively you are having an extra guess.
If it asks for ONE, only put ONE.

Reply 2

blackened_sky

Some exam boards would just accept your first answer only.

Reply 3

loperdoper

If it asks for one, and you list two, some mark schemes will only credit the first answer and others will only credit your first answer and only if your second answer is correct as well.

It's much better just to put down the answer you believe is most likely to get you the mark.