The potential energy of the substrate is more than the product. So it is an exothermic reaction. 'A' represents the activation energy in the presence of enzyme while 'B' in the absence of enzyme i.e., enzyme lowers down the activation energy.
NEET UG 2016 — Botany Biomolecules
2016mcqeasy
Which of the following describes the given graph
Official previous-year question
Held on 30 Apr 2016 · Verified 9 Jul 2026.
Options
- A
Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme
- B
Exothermic reaction with energy A in presence of enzyme and B in the absence of enzyme
- C
Endothermic reaction with energy A in absence of enzyme and B in presence of enzyme
- D
Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
NEET UG Biomolecules in other years
More NEET UG Biomolecules questions
Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?
2024easy
Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?
2024easy
Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:
2024medium
Which of the following are not fatty acids? A. Glutamic acid B. Arachidonic acid C. Palmitic acid D. Lecithin E. Aspartic acid Choose the correct answer from the options given below :
2024medium
Regarding catalytic cycle of an enzyme action, select the correct sequential steps : A. Substrate enzyme complex formation. B. Free enzyme ready to bind with another substrate. C. Release of products. D. Chemical bonds of the substrate broken. E. Substrate binding to active site. Choose the correct answer from the options given below :
2024medium
Other Botany topics for NEET UG
Keep practicing Biomolecules
Work through every NEET UG Biomolecules PYQ, year by year.