The parasites which requires several or different hosts for its complete development is called ?

Related Mcqs:

1. The parasites whose hosis are also parasites collectively termed as___________________?

   A. Hyperparasites
   B. Phytophagous parasites
   C. Heteroxenous parasites
   D. None of the Above

2. The parasite which requires only one host for its complete life cycle is called________________?

   A. Monoxenous parasites
   B. Zoophagous parasites
   C. Phytophagous parasites
   D. Entomophagous parasites

3. Best example of parasites are ___________________?

   A. Ichneumon, Fleas
   B. Trichograma sp, Horse flie
   C. Cotesia sp
   D. All of above

4. The parasites which capable of parasitizing a considerable number of host species is called____________________?

   A. Polyhagous parasites
   B. oligophagous parasites
   C. Facultative parasites
   D. Transitory parasites

5. The form off insect after complete metamorphosis is__________________?

   A. Imago
   B. Pupa
   C. Puparium
   D. Grub

6. Total complete resistance against any adverse condition is called_________________?

   A. Immunity
   B. Tolerance
   C. Resistance
   D. Plant resistance

7. The physiological state or arrested metabolism in which development of insects is delayed irrespective of environmental factors is____________________?

   A. Tor por
   B. Quiescence
   C. Diapause
   D. Hibernation

8. Chemical added to pesticide to increase its activity is called________________?

   A. Activator
   B. Agitation
   C. Adjuvant
   D. Synergism

9. The quality a of a pesticide to remain as an effective residue because of its low volatility and chemical stability is termed as__________________?

   A. Persistence
   B. Aerosol
   C. Defoliant
   D. Desiccant

10. The body of an insect is covered by a protective __________________ formed from chitin and protein. Depending upon its precise composition and thickness, the cuticle may be soft and flexible or hard and rigid; according to requirements, it may or may not be permeable or waterproof:

    A. three-layered skin (cuticle) 
    B. Two-layered skin (cuticle)
    C. Six- layered skin (cuticle)
    D. None of the above

    Submitted by: Shafiq Rehman