Question:
Sand flies play significant role in spreading Kala-azar because they
Sand flies play significant role in spreading Kala-azar because they
Updated On: Aug 15, 2022
- Suck blood only from the patients suffering from kala-azar
- Convert amastigote into promastigote
- Engulf amastigote at the time of blood sucking from the infected persons
- Inject promastigote into the body of non-infected persons at the time of blood sucking
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Sand fly takes a blood meal and injec s m crophages infected with amastigotes $?$ Amastigotes transform into promastigote stage in midgut $?$ Divide in midgut and migrate to proboscis $?$ Amastigotes again get transferred into the skin of host during taking blood as meal.
Was this answer helpful?
0
0
Top WBJEE Biology Questions
- By which of the following methods, new and better varieties of plants can be formed?
- Immunity that develops in the fetus after receiving antibodies from mother�s blood through placenta is
- In a normal adult human, the average cardiac output (stroke volume) is
- In floral formula (K) denotes
- In which of the following phyla, compound eyes are present?
View More Questions
Top WBJEE Human health and disease Questions
- Immunity that develops in the fetus after receiving antibodies from mother�s blood through placenta is
- Intermediate host of malarial parasite is
- Filariasis is caused by
- Heparin is produced by -
- Passive immunity can be obtained through
View More Questions
Top WBJEE Questions
- Let $\vec{\alpha } = \hat{i} + \hat{j} + \hat{k} , \vec{\beta} = \hat{i} - \hat{j} - \hat{k}$ and $\vec{\gamma} = - \hat{i} + \hat{j} - \hat{k}$ be three vectors. A vector $\vec{\delta} $, in the plane of $\vec{\alpha}$ and $\vec{\beta}$, whose projection on $\vec{\gamma}$ is $\frac{1}{\sqrt{3}}$, is given by
- Let a, b, c be real numbers such that $a + b + c < 0$ and the quadratic equation $ax^2 + bx + c = 0$ has imaginary roots. Then
- If the radius of a spherical balloon increases by 0.1%, then its volume increases approximately by
- The velocity of a particle executing a simple harmonic motion is $13\, ms^{-1}$, when its distance from the equilibrium position (Q) is 3 m and its velocity is $12 \, ms^{-1}$, when it is 5 m away from The frequency of the simple harmonic motion is
- By which of the following methods, new and better varieties of plants can be formed?
View More Questions
Concepts Used:
Human Health and Disease
Health is described as a state of complete physical, mental and social well-being.
The disease is a circumstance where malfunctioning of the body organs occurs leading to uneasiness and discomfort.
Differences between Infectious Diseases and Non-Infectious Diseases:
Common Diseases in Humans:
Read More: Human Health and Disease