91
Role of enzyme in reactions is to/as
- decrease activation energy
- increase activation energy
- inorganic catalyst
- none of the above.
AIPMT 2000
Biomolecules (Biology)
Previous year questions with solutions · 2000 – 2026
95Questions
33Papers covered
3.96% ↓57.2%Weightage in 2026
’00
’01
’02
’03
’04
’05
’06
’07
’08
’10
’11
’12
’13
’14
’15
’16
’17
’18
’19
’20
’21
’22
’23
’24
’25
’26
Year-wise statistics questions · papers · average per paper · weightage
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 4 | 2 | 2 | 3.96% ↓57.2% |
| 2025 | 5 | 1 | 5 | 9.26% ↓12% |
| 2024 | 12 | 2 | 6 | 10.53% ↑65.8% |
| 2023 | 4 | 1 | 4 | 6.35% ↑18.8% |
| 2022 | 7 | 2 | 3.5 | 5.34% ↓19.8% |
| 2021 | 4 | 1 | 4 | 6.67% ↓16.7% |
| 2020 | 4 | 1 | 4 | 8.00% ↑112% |
| 2019 | 2 | 1 | 2 | 3.77% ↑107.5% |
| 2018 | 1 | 1 | 1 | 1.82% ↓48.2% |
| 2017 | 2 | 1 | 2 | 3.51% ↓19.3% |
| 2016 | 5 | 2 | 2.5 | 4.35% ↑58% |
| 2015 | 3 | 2 | 1.5 | 2.75% ↓22.9% |
| 2014 | 2 | 1 | 2 | 3.57% ↓43.4% |
| 2013 | 7 | 2 | 3.5 | 6.31% ↑29.9% |
| 2012 | 5 | 2 | 2.5 | 4.85% ↑133% |
| 2011 | 2 | 2 | 1 | 2.08% ↓6.2% |
| 2010 | 2 | 2 | 1 | 2.22% ↓38.9% |
| 2008 | 2 | 1 | 2 | 3.64% ↑85.5% |
| 2007 | 1 | 1 | 1 | 1.96% ↑15.7% |
| 2006 | 1 | 1 | 1 | 1.69% ↓82.2% |
| 2005 | 6 | 1 | 6 | 9.52% ↑423.8% |
| 2004 | 1 | 1 | 1 | 1.82% ↓43.6% |
| 2003 | 2 | 1 | 2 | 3.23% ↓31.2% |
| 2002 | 3 | 1 | 3 | 4.69% ↓7.8% |
| 2001 | 3 | 1 | 3 | 5.08% ↓45.1% |
| 2000 | 5 | 1 | 5 | 9.26% |
⚠ 2 of these questions are out of the current syllabus (marked on the question).
92
Which factor is responsible for inhibition of enzymatic process during feedback?
- Substrate
- Enzymes
- End product
- Temperature
AIPMT 2000
93
ATP is
- nucleotide
- nucleoside
- nucleic acid
- vitamin.
AIPMT 2000
94
Which of the following have carbohydrate as prosthetic group?
- Glycoprotein
- Chromoprotein
- Lipoprotein
- Nucleoprotein
AIPMT 2000
95
Essential amino acid is
- phenylalanine
- glycine
- aspartic acid
- serine
Out of syllabusAIPMT 2000