Given below is the diagrammatic representation of a standard ECG. Label its different peaks

Draw a standard ECG and explain the different segments in it.

Given below is the representation of the extent of global diversity of invertebrates What groups the four portions represent respectively.

Consider the parts labelled in 1 , 2 , 3 and 4 respectively in the following diagrammatic representation of recombinant DNA technology and find out the correct sequences :

The concentrations of a reactant R at different times are given below: Calculate the average rate of reaction, R rarr P during different intervals of time.

Large quantity of sewage is generated every day in cities and towns, Which is treated in Sewage Treatment Plants (STPs) to make it less polluted. Given below is the flow diagram of one of the stages of STP. Observe the given flow diagram and answer the questions accordigly. Write the technical term used for the sediment formed. MEntion its significance.

A few statements are given below followed by a set of terms in a box. Pick the correct term and write it against the appropriate statement. mating of animals of two different species. (i) cross breeding , (ii) Inter-specific hybridization, (iii) Out breeding ,(iv) Out crossing, (v) Inbreeding

A diagrammatic representation of different trophic levels in an ecosystem is given below Give the ecological terms in place of 1,2,3 and 4.

A diagrammatic representation of different trophic levels in an ecosystem is given below What is the difference between a food chain and food web? Which one is more stable?

A diagrammatic representation of different trophic levels in an ecosystem is given below Give example of the organism for each trophic level either from aquatic or terrestrial ecosystem.