A. Integument
B. Exoskeleton
C. Internal skeleton
D. None of the above
Related Mcqs:
- 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 aboveSubmitted by: Shafiq Rehman
- Function of Exo cuticle insect is_________________?
A. Rigidity of body parts
B. impermeability of water
C. Prevent evaporation
D. Toughness and flexibility - It is a nitrogenous polysaccharides which are more than 50% of substance of cuticle is called___________________?
A. Sclerotion
B. Resilin
C. Chitin
D. Cuticulin - The process of periodic shedding of hard secretion cuticle which occurs during developmental stages of insects is called_______________?
A. Moulting
B. Ecdysis
C. Exuvium
D. Moulting and Ecdysis - Function of endo cuticle is________________________?
A. Prevent evaporation
B. Rigidity of body parts
C. Extensiblity of integument and flexibility
D. Impermeability of water - The form off insect after complete metamorphosis is__________________?
A. Imago
B. Pupa
C. Puparium
D. Grub - Examples of poly phagous insect is__________________?
A. Helicoverpa armigera
B. Ants
C. Green lacewing
D. Pink bollworm - Function of epiculticle in insect is__________________?
A. Rigidly of body parts
B. Impermeability of water
C. Prevent evaporation
D. Impermeability of water and prevent evaporation - A level of resistance show by a cultivar is similar against all insect biotype such type of resistance is__________________?
A. Cross resistance
B. Specific resistance
C. General resistance
D. Vertical resistance - The long axis of head is horizontal and in line with insect body, mouth parts directed forward is type of head_______________?
A. Prognathous
B. Hypognathous
C. Opisthognathous
D. Opis thosynchous
