Maths Spl

For Manipal University to pursue Biotech bio is not compulsory. You can check the institutes website for more on this. Apart from Manipal a lot of other institutes don't require Bio for pursuing Biotech.

As per the additional eligibility criteria and basis of selection, Aggregate of 60% or more marks in the qualifying examination in four subjects: English, Mathematics and any two other subjects included in List B.
Selection will be based on the rank computed from the combined weighted average of percentage scored in the entrance test and the percentage scored in the qualifying examination where the weights are: Entrance Test: 65%, Qualifying Examination: 35%.
Hence math is compulsory here so you can not apply.

You have to score 120-130 for 1st paper.

For NDA (1) 2020: The candidates possessing age between 2nd July 2001 to 1st July 2004 are eligible for the examination. If born before 2nd July 2001 and after 1st July 2004 then not eligible for NDA (1) 2020 exam. Only unmarried male candidates are eligible for NDA examination.

To become a MMBS doctor one needs to comply with the following
1. Have biology as a subject in HSC
2. Clear NEET open test
3. Comply with the age criteria
thus in absence of Biology as a subject you would not be entitled to appear form the NEET open test.

The Quantitative Reasoning measure of the GRE or the Quant section of the GRE assesses High school mathematics and statistics basic mathematical skills, understanding of elementary mathematical concepts. It does not include trigonometry, calculus or other higher-level mathematics.