A Population is growing logistically with a growth rate (r) of 0.15/week, in an environment with a carrying capacity of 400. What is the maximum growth rate (NO) of individuals/week) […]
Tag: CSIR NET Life Science Previous Year Questions and Solution Population Ecology
CSIR NET Life Science Previous Year Questions and Solution on Population Ecology
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CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Calculate Per Capita Death Rate from Bird Population Growth and Birth Rate
The population size of a bird increased from 600 to 645 in one year. If the per capita birth rate of this population is 0.125, what is its per capita […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Calculate Death Rate from Insect Population Density and Birth Rate
The population density of an insect species increasesfrom 40 to 46 in one month. If the birth rate during thatperiod is 0.4. What is the death rate? (1) 0.25 (2) […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Project Gypsy Moth Egg Density Over Time Using Linear Growth
If gypsy moth egg density is 160 at time t and 200 at t + 1, what will be its value at time t + 3, assuming that egg density […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Population Has the Lowest Intrinsic Rate of Growth? Interpreting Population Graphs
The graph below shows the change in the size of four populations (A-D) over time. Which among the four populations (A, B, C, and D) would have the lowest intrinsic […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding the Relationship Between Generation Time and Population Growth Rate
The general relation between generation time (T) and population growth rate (r) isdescribed by the equation (1) lnr = lna -b lnT (2) r = a-bT (3) lnr= lna + […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Calculate Doubling Time for an Exponentially Growing Population
For a population growing exponentially with a growthrate r, its population doubling time is (1) (N0x 2) (2) ln 2/r (3) λ ln 2 (4) lnr X 2 How to […]
![Given below are growth equations where dN/dt is defined as A. rN/K B. rN C. rN[(K-N)/N] D. rN[(K-N)/K] With reference to the above equations, which one of the following statements is correct? (1) B represents exponential growth and A represents logistic growth. (2) B represents exponential growth and D represents logistic growth (3) B represents zero growth and C represents logistic growth (4) A represents exponential growth and D represents logistic growth](https://www.letstalkacademy.com/wp-content/uploads/2025/06/29-10.jpg)
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Equations Represent Exponential and Logistic Population Growth? A Comprehensive Guide
Given below are growth equations where dN/dt is defined as A. rN/K B. rN C. rN[(K-N)/N] D. rN[(K-N)/K] With reference to the above equations, which one of the following statements […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Equations Describe Exponential Population Growth? A Guide to Population Models
In the following equations (a) dN /dt = rN (b) Nt= NOert (c) dN/dt = rN (K-N/K) (d) dN/dt=rN x N/K Exponential population growth is described by (1) a and […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Project Female Population Size Using Net Reproductive Rate Over Four Generations
The net reproductive rate (RO) is 1.5 for a given population. If Nt, the population of females at generation t, is 500, then what will be the population of females […]
