CTEVT Prep
Practice
Question Bank
Mock Test
Papers
Guidance
AI Assist
Log In
Sign Up
Back to Practice
hard • Past Paper
Which of the following describes 'Bio-accumulation'?
Time
T1
T2
T3 (Accumulated)
A
Spread of disease in a population
B
Gradual accumulation of a substance in an organism over time
C
Increase in population density
D
Conversion of waste to energy