Some scholars have argued that there is no coherent basis for treating tribes as ‘pristine’ – i.e., original or pure – societies uncontaminated by civilization. The idea that tribes are like stone age hunting and gathering societies that have remained untouched by time is still common, even though this has not been true for a long time. Based on the above passage, justify with four reasons why this idea of tribes having remained untouched is untrue.
Study a part of life cycle of Plasmodium given below:
Answer the following questions:
(a) Name the infective stage of Plasmodium that is stored in the female Anopheles mosquito.
(b) Where does fertilization and development of parasite take place?
(c) Identify labels P and Q in the given diagram.
(d) Asexual and sexual phase of the life cycle of the Plasmodium takes place in two different hosts. Write their names.