MBA Entrance Exam

Quantitative-
How to prepare for Quantitative by Arun Sharma
How to prepare for Data Interpretation by Arun Sharma (TMH Publication)
The Pearson Guide to Quantitative Aptitude and Data Interpretation by Nishit Sinha
Verbal-
How to prepare for Verbal Ability and Reading Comprehension by Arun Sharma and Meenakshi Sharma (TMH Publication)
Word Power Made Easy-By Norman Lewis
English Grammar and Composition-Wren and Martin
Data Interpretation and Logical Reasoning-
How to Prepare for Data Interpretation for the CAT Common Admission Test 1st Edition by Arun Sharma Publisher-Tata McGraw-Hill
How to Prepare for Logical Reasoning for the CAT Common Admission Test by Arun Sharma Publisher: Tata McGraw Hill
The Pearson Guide To Verbal Ability And Logical Reasoning For The CAT 1st Edition by Nishit K Sinha.

Syllabus is almost similar for both, SNAP has extra section of general awareness.
SNAP syllabus- Quantitative, Data Interpretation and Data Sufficiency
Analytical and Logical Reasoning
General English: Reading Comprehension, Verbal Reasoning, Verbal Ability
General Awareness: General Knowledge, Current Affairs, Business Scenario
CAT Verbal and Reading Comprehension (VARC)
Reading Comprehension - The Reading Comprehension passages are generally of medium length, carrying 250 to 500 words. Question types can be both direct or inferential.
English Language - Fact Inference, Judgment, Fill in the blanks, Grammar, Para Completion, Para Jumble, Sentence Correction, Verbal Reasoning, Analogies and Reverse Analogies, Synonyms Antonyms (Vocabulary Based), etc.
Data Interpretation and Logical Reasoning (DI & LR) and Quantitative Ability.

If you have an interest in fields such as Plant Taxonomy, Ethnobiology, Pathology, Palaeobolagy and Palynology, Plant cytology, Plant geneticists, Plant ecology, Plant Scientists and Weed Scientists etc. Candidates who have advanced qualifications can pursue either an academic career in institutions as lecturers and professors or a scientific career in various scientific positions such as Plant Scientists, Weed Scientists etc. They can also go and work as Researchers and as administrators. They have also the option in Botanical Survey of India and other Government departments but only through UPSC exams. If you have interest in business aspect than MBA is better option.