Question
The mode followed in transmission of microfilaria through a female culex mosquito is :
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
Cyclodevelopmental
Understanding Microfilaria Transmission Modes
The transmission of microfilaria by vectors like the female Culex mosquito involves specific biological processes. Understanding these modes is key to identifying how pathogens spread.
Cyclodevelopmental Transmission Explained
Cyclodevelopmental transmission refers to a process where the parasite undergoes developmental stages (morphological changes) within the vector's body, but it does not multiply (increase in number) there. After a period, the parasite reaches an infective stage.
Application to Microfilaria and Culex Mosquitoes
- Microfilaria, the larval forms of filarial worms, are ingested by a female Culex mosquito when it feeds on an infected host.
- Inside the mosquito, the microfilaria develop into infective larvae (typically the third-stage larvae). This constitutes the developmental part.
- The microfilaria do not multiply within the mosquito; their numbers do not increase.
- Therefore, the transmission cycle involving microfilaria in a Culex mosquito fits the definition of cyclodevelopmental transmission.
Options like 'propagative' involve multiplication, 'cyclopropagative' involve both development and multiplication, and 'vehicle-borne' relates to inanimate objects, none of which accurately describe this specific vector-parasite interaction.
Was this answer helpful?
Similar Questions
- Total score for class IV (upper lower) as per Kuppu Swamy's scale is in one of the following ranges :
- Chancroid is caused by which of the following pathogenic agents ?
- Ehlers - Danlos syndrome illustrates a genetic defect of ?
- Galactosyl transferase is a marker associated with ?
- An infectious agent being present in an inanimate articles the skin surface, particularly on hands, is called :
- The form(s) available on Integrated Health Information Platform (IHIP) under integrated disease surveillance programme (IDSP) portal to enable data entry is/are :
- Which of the following vaccines, was used first time to immunize humans and included in Expanded Program on Immunization (EPI) :
- The first human disease to be conclusively proved to be caused by a microorganism as well as first disease against which effective vaccine has been developed :
- The mode followed in transmission of plague bacillus in the mouth of a rat flea is :
- The Epidemiological Transition Ratio (ETR) is now being used to measure the amount of epidemiological transmission in a community or the country, which is defined as; DALY due to CMNND $\div$ DALY due to NCD and injuries. CMNND includes :
Important Questions from Miscellaneous
- Which of the following relationships is/are not true?
(A). Most probable velocity = $\sqrt{\frac{2RT}{M}}$
(B). PV = $\frac{3}{2}kT$
(C). Compressibility factor Z = $\frac{pV}{nRT}$
(D). Average kinetic energy of gas = $\frac{1}{2}kT$
Choose the correct answer from the options given below - Match List-I with List-II
List-I List-II Electronic Configuration First Ionisation energy (kJ mol$^{-1}$) (A). ns$^2$ (I). 2100 (B). ns$^2$np$^1$ (II). 1400 (C). ns$^2$np$^3$ (III). 800 (D). ns$^2$np$^6$ (IV). 900
Choose the correct answer from the options given below: - The shielding constant of a 2p electron (calculated using Slater's rules) is
- Match List-I with List-II
List-I List-II Spectroscopy Property (A). Raman (I). Polarizability (B). FTIR (II). Dipole Moment (C). UV-Visible (III). Absorbance (D). NMR (IV). Spin
Choose the correct answer from the options given below: - The structure of protein comprises of:
(A). Primary structure of protein is associated with amino acids
(B). Secondary structure of protein is associated to peptides
(C). Tertiary structure of protein is associated with polypeptide chains
(D). Quaternary structure of protein is associated with polypeptide chains
Choose the correct answer from the options given below:
Need Expert Advice?
Upcoming Exams
GATE
February 06, 2027
Test Series
CUET
CUET PG Psychology (HUQP20) 2026 Mock Test Series
10 Tests
781 Attempts
3.7(15)
English
More Questions from CUET PG
