Home
Class 12
BIOLOGY
What would be the per cent growth or bir...

What would be the per cent growth or birth rate per individual per hour for the same population mentioned in the previous ques- tion (Question 10 )?

A

100

B

200

C

50

D

150

Text Solution

Verified by Experts

The correct Answer is:
B

Initial number of Paramecium = 50
Number of Paramecium after 1 hour = 150
Birth rate = `("Number of new Paramecium")/("Initial number of Paramecium")xx100`
`=(100)/(50)xx100=200%`
Promotional Banner

Similar Questions

Explore conceptually related problems

A population grows at the rate of 2% per year. How long does it take for the population to double?

More than 70 per cent of livestock population is in

What is the power of an engine which can lift 20 metric ton of coal per hour from a mine 30 metres deep ?

Pranali and Prased started walking to the East and to the North respectively, from the same point and at the same speed. After 2 hours distance between them was 15 sqrt 2 km. Find their speed per hour.

The noise level in a classroom in absence of the teacher is 50 dB when 50 students are present. Assuming that on the average each student outputs same sound energy per second, what will be the noise level if the number of students is increased to 100 ?

The species diversity of plants (22 per cent) is much less than that of animals (72 per cent). What could be the explanations to how animals achieved greater diversification?

The graph below shows the relationships of per capita population growth rate (r), fecundity (b) and age at first reproduction (alpha) in an animal speies What is the most important conclusion to be drawn from the graph ?