A. Vena Cava
B. Dorsal Vessel
C. Spiracles
D. None of the above
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Related Mcqs:
- Thread like structure surrounding the pupal stage of the insect (Silk worm) is_________________?
- A. Silk B. Typhoon C. Cocoon D. None of the above...
- Three regions of insect body are________________?
- A. Head, abdomen and tail B. Head, thorax and tail C. Head, thorax and abdomen D. None of the above...
- Antenae of insect is__________________?
- A. Locomotion organ B. Sensory organ C. Sex organ D. None of the above...
- Insect body is divided in to_____________________?
- A. 3 regions B. 5 regions C. 10 regions D. 2 regions...
- Trachea in insects are the organ of___________________?
- A. Digestion B. Respiration C. Excretion D. Secretion...
- The main pest of fruit in Pakistan is_________________?
- A. Fruit fly B. Leaf minor C. Scale insects D. Hoppers...
- The technical name of jassid is_________________?
- A. Microtermas sp B. Aphis gossypi C. Earias insulana D. Amrosca devestons...
- Pathogen is_________________?
- A. Fungi which cause disease B. Any bacteria which causes disease C. Any virus which causes disease D. Any organism which causes disease...
- The factors which induces disease outbreak is________________?
- A. High temperature B. High humidity C. Susceptible varieties D. All the above...
- Bombyx morri is the name of___________________?
- A. Lady bird beetle B. Silk worm C. Honey bee D. None of the above...
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