Hello dear,

According to me if you are preparing for something and the concept of the preparation is cleared then you can solve anything related your preparation. As you are preparing for NEET and your concept are clear at coaching center, school or by self studying then you no need study more books for enhancement of knowledge because when you prefer more for a concept then you little bit confuse (More knowledge more confusion, Less knowledge less confusion and No knowledge no confusion). So, yes can practices as many as you wish on any app or any model paper of NEET paper if your concept are clear then your are able to solve all that problems.

So, from above paragraph I want to say that if your concept are clear in NEET then you may prefer any application .

NTA's information bulletin states that NEET Biology Syllabus includes these topics:

• Diversity in Living world
• Structural Organization in Animal and Plants
• Cell Structure and Function
• Plant Physiology
• Human Physiology
• Reproduction
• Genetics and Evolution
• Biology and Human Welfare
• Biotechnology and its applications
• Ecology and Environment

98% of the questions asked in NEET come from NCERT. The remaining 2% are usually asked out of NCERT. That is the reason through Frog and Earthworm are not a part of the NEET syllabus, along with Cockroach, there have been instances wherein questions regarding Frog and Earthworm also have been asked. So to answer your question, yes questions out of NCERT also will be asked. With the exam hardly 28 days away, the best way to prepare for the topics out of NCERT is to practise as many mock tests as you can lay your hands on. So this way you are prepared for syllabus out of NCERT as well.