The following is the life table of a natural population of a small annual succulent where ‘x’ is its life phase, ‘lx‘ is its survivorship till that stage and ‘dx‘ […]
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 Complete a Hypothetical Life Table and Calculate Net Reproductive Rate (R₀)
Complete the following hypothetical life table of aspecies to calculate the net reproductive rate Ro: The calculated Ro will be (1) 0.75 (2) 1.00. (3) 0.65. (4) 1.15. How […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Determine the Net Reproductive Rate (R₀) from a Hypothetical Life Table
Following is the hypothetical life table for species Which one of the following is the correct net reproductive rate (R0) (1) 0.0 (2) 0.3 (3) 0.7 (4) 1.5 How to […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
How to Calculate Net Reproductive Rate (R₀) for a Seasonally Breeding Species
The following table shows survival and fertility data for a seasonally breeding species. Based on above data net reproductive rate (Ro) of the species will be (1) 1 (2) 5 […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
What Happens When Mortality and Natality Rates Are Constant in Each Age Group?
If rate of mortality and natality become constant in each age group. Then the result would l increasebe- (1) Number of children increase (2) Number of older one will increase […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
What Is the Average Number of Offspring a Female Produces in Her Lifetime? Understanding Fecundity
11.The average number of offspring that a female produces during her lifetime is called (1) Fecundity (2) Net reproduction rate (3) Survivorship curve (4) Reproductive Mortality What Is the Average […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Matching r and K Strategies to Growth and Survivorship Curves: A Complete Guide
Given below are growth and survivorship curves. Select the correct combination of growth curves from figure A and survivorship curves from figure B given above, that would best represent r […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Understanding Survivorship Curves: Elephants, Lizards, and Oysters Compared
Given below are the survivorship curves showing the proportion of individuals surviving over time or age. Three generalized types of curves (a, b and c) are depicted below. Which of […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Matching Animal Groups to Survivorship Curves: Marine Pelagic Fish, Large Mammals, and Birds
8. Following is the diagram of three idealized survivorship curves of animals. Find the correct match between the group of animals and the respective survivorship curves. (1) Marine pelagic fish […]
CSIR NET Life Science Previous Year Questions and Solution on Ecology
Which Survivorship Curve Do Species with Many Offspring and Little Parental Care Exhibit?
In natural system, a species producing large number of offsprings with little or no parental care generally exhibits which one of the following kind of survivorship curve […]
