Phylum Arthropoda
Outer layer of exoskeleton is called:
cuticle
epicuticle
epidermis
dermis
epicuticle
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Epicuticle is made up of:A. proteins
B. wax
C. waxy lipoprotein
D. carbohydrates
In arthropods, coelom reduced to the:
A. cavities
B. gonads
C. limbs
D. joints
Epicuticle is impermeable to water, acting as a barrier for microorganisms and:
A. pesticides
B. insects
C. cattle’s
D. rain
How many layers exoskeleton has?
A. two
B. one
C. three
D. four
Process of Molting in arthropods is mediate by an enzyme named as:
A. peptone
B. histone
C. ecdysone
D. lipase
In arthropods, sensory receptors are known as:
A. nerves
B. adaptations
C. sensila
D. modification
Jointed external skeleton is called:
A. exoskeleton
B. endoskeleton
C. hydrostatic skeleton
D. epidermis
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