15000+ GATE Ecology & Evolution practice questions with 1-minute explanatory videos.
Practice Questions
Enhance your GATE Ecology & Evolution preparation with our comprehensive collection of free practice questions and video solutions. Access a wealth of valuable resources to excel in your studies, all conveniently available on our user-friendly web page. Sharpen your knowledge, boost your confidence, and achieve success with expertly crafted practice questions and in-depth video explanations. Elevate your learning experience today, absolutely free.
#Question id: 10666
#Section 1: Ecology
In a experimental invertebrate population the birth rate is 1200 per 1000 and death rate is 300 per 1000 per generation. Initial population size is 10000. What is value of NET reproductive rate?
#Question id: 10670
#Section 1: Ecology
To estimate the number of foxes in an area, a researcher conducted a mark-recapture survey. In the first survey, he caught and marked N number of foxes. In his second survey a week later, he caught 120 foxes of which 90 were unmarked (recaptures). If you are told that the actual number of foxes in this area is 400, what is value of N in this area?
#Question id: 10664
#Section 1: Ecology
dN/dt = rN (K-N/K ) The logistic equation above is used to describe the rate of change of a population, N, with time, t, Where r is the intrinsic rate of increase and K is the carrying capacity. What is value of per capita growth rate when population size is 200 individuals? ( K= 400, r =.25)