Four basic processes produce fluctuations in population density

Which terms are represented by B, D, I, E?

Four basic processes produce fluctuations in population density. define I and D

Four basic processes produce fluctuations in population density Define the terms B and E.

Discuss four basic processes affecting the population density of an area.

The number line representing integers is given below -3 and -2 are marked by E and F repectively .Which itergers are marked by B,D,H,J,M, O?

The following graph represents the organismic response to certain environmental condition (e.g temperature) :Which one of these, 'a' or'b' depicts conformers.

Long Answer Questions Five mark Each QUESTIONS FROM CBSE BOARD EXAMINATIONS : Fertilization is essential for production of seed, but in some angiosperms seeds develop without fertilization. (i) Give an example of an angiosperm that produces seeds without fertilization. Name the process. (ii) Explain the two ways by which seeds develop without fertilization.

Read the following four statements (A-D) about certain mistakes in two of them: The first transgenic buffalo Rosie produced milk which was human alpha-lactalbumin enriched. Restriction enzymes are used in isolation of DNA from other macro-molecules Downstream processing is one of the steps of R-DNA technology. Disarmed pathogen vectors are also used in transfer of R-DNA into the host.

Let A,B,C,D,E represent vertices of a regular pentangon ABCDE. Given the position vector of these vertices be a,a+b,b, lamda a and lamdab respectively. Q. AD divides EC in the ratio