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...