Explain, how different organisms interact in a population emphasising on the possibilities of various relationships.

What do you understand by population? Explain the different attributes of the population.

Explain, what is population? Describe the different characteristics of population.

Explain the following: (i) Would life be different, if the 'electron was positively charged and the proton was negatively charged? (ii) Does the choice of signs have any bearing on physical and chemical interactions? (iii) When a person chews a winter green life saver in a dark room, a faint flash of blue light is seen froin his mouth. How?

How does the study of comparative anatomy of living organism explain the process of evolution?

Name and explain different scale of temperature. Explain how the temperature of body in one scale be converted to another scale of temperature?

The given diagram represents the relationships between organisms in a remote pond ecosystem. From this information. Which of the following is the most likely to be correct? 1) DDT present in the ecosystem would accumulate to the highest concentrations in the tissues of detritivore 1. 2) The introduction of consumer 4 individuals from an external population would lead a temporary increase in number of producer 2. 3) Disease in the producer 1 population would lead to an increase in the producer 3 population. 4) Extermination of consumer 3 would cause a sustained increase in the population of consumer 2.

State and explain how the molecularity and rate of reaction may be different. Give an example of pseudo unimolecular reaction.

________classification systems were based on evolutionary relationships between various organisms.

What are different types of amines ? Give two methods for the preparation of primary amine. How does it react with methyl iodide? C_(2)H_(5)NH_(2) is more basic than CH_(3)NH_(2) , Explain.