• This book is written keeping in mind the limited time to cover vast zoology course of grade XI and XII along with many extra questions that are most likely to be asked.
• References have been taken from some of the best entrance books (books from Nepal and India) available in Nepal and added more features that you're unlikely to find in any other books.
• Division of topic into different sections such as:

Ø  Conceptual part: where you need less memorization and more understanding.

Ø  Memorization (Facts) part: where you need to remember down the facts.

• However the way, it is divided the points may not be compatible to everyone so for that I have introduced student's corner for you yourself to write more. 
• More figure and diagrams for illustration in accordance to the writing of text.
• Additional mnemonics as well as bonus tricks are mentioned below which helped me to crack the exam at first attempt and of course will help you as well.
• Smooth and simple languages used along with meaning to the complex words. 
• Effective page layout designed just for those who can't memorize.
• Additional tricks that were not mentioned in any other entrance books. (More effective than mnemonics).
• Helpful revising points that will not make you confused.
• Only useful information are included. The human biology requires more of understanding part which makes remembering part also easier. I have tried to include as many concepts that will help you to mem.