Consider the following statements associated with Malaria: 1. Only the female Anopheles mosquitoes take human blood for reproduction 2. Plasmodium can pass across the placenta from mother to foetus Which of the statements given above is/are correct?
2 only
It is not exclusively female Anopheles mosquitoes that take blood meals for reproduction; females of other genera such as Culex and Aedes also feed on blood for egg development, so statement 1 is incorrect. Statement 2 is correct, as Plasmodium parasites can cross the placental barrier and cause congenital malaria in the foetus.
An infection constantly maintained at a baseline level in a geographic area without external input is known as
Which one of the following living organisms gives litmus?
Which of the following limits the number of trophic levels in a food chain ?
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Which of the following occurs when an organism absorbs the chemicals at a faster rate then the metabolic capacity of their body?
Which of the following is a primary producer in a food chain?
Aphim, Morphin, Heroin, Methodine are the examples of:
Due to which change in environment that Rekha's mother told Rekha not to sleep below the tree ?
Which of the following plays an important role in balancing oxygen and carbon dioxide in the atmosphere?