GHDZ app for iPhone and iPad

Enlighten your biology knowledge with the help of this easy to use, amazing and ads free app.
There are four level of quiz in this app.
In each level of app, user will be given a question related to biology with four options.
Out of four options, user will have to select the correct answer.
If the answer selected by the user will be correct ,the answer will be marked as correct and user will rewarded +1 mark.
If the answer selected by the user will be incorrect ,the answer will be marked as incorrect and user will rewarded 0 mark.
Download the app enjoy the app.