Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.

Which letter represents an organism that could be a producer?

#Question id: 5414

#General Aptitude

If a, b, c, d and e are five consecutive odd numbers, the average is

#Question id: 10714

#Unit 10. Ecological Principles

What is value of Gini-simpson indices of following community? 

#Question id: 11132

#Unit 7. System Physiology – Animal

The sensation of temperature is signaled mainly by warm and cold receptors whose sensory fibers travel in association with the sensory fibers carrying pain signals. Which of the following statements best characterizes the transmission of signals from warm receptors?

#Question id: 10686

#Unit 10. Ecological Principles

 Following figure are shown figure of predator prey model 

Following some observation are given

A) The number of prey, N, increase at low predator densities, P, and decrease at high predator densities

B) Prey zero isoclines is depends on the ratio of the growth rate of prey to the capture efficiency of the predators

C) Number of predator needed for prey isoclines is depends on the ratio of the death rate of predators to the conversion efficiency of predators

D) Number of predator for prey isoclines depends on the ratio of the death rate of prey to the conversion efficiency of predators

Which of the above observation are true?

#Question id: 3371

#Unit 11. Evolution and Behavior

If a given gene in a randomly mating population has three alleles a, b and c in the ratio of 0.6, 0.3 and 0.1 respectively, what is the expected frequency of all heterozygote?