Question

# A primary root grows from 5 cm to 19 cm in a week. The absolute growth rate is ________ and the relative growth rate is _______ respectively, over a period of one week.

A

2/day and 2.8

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B

2/day and 2

No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
C

28/day and 28

No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
D

28/day and 4

No worries! Weâ€˜ve got your back. Try BYJUâ€˜S free classes today!
Open in App
Solution

## The correct option is A 2/day and 2.8 Absolute growth rate is the total growth per unit time. Relative growth rate is the increase in growth of a system with respect to initial parameter during a constant period of time. Total growth rate in a week (7-days) = 19-5 = 14 cm. Absolute growth per day =Total growth rateNumber of days= 147 = 2.0/day. Relative growth rate = Total growth rateInitial growth rate= 145 = 2.8.

Suggest Corrections
0
Join BYJU'S Learning Program
Select...
Related Videos
Growth
BIOLOGY
Watch in App
Explore more
Join BYJU'S Learning Program
Select...