Phylum Arthropoda
Arthropods have a
dorsal nervous system
ventral nervous system
lateral nervous system
none of above
ventral nervous system
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Outer layer of exoskeleton is called:A. cuticle
B. epicuticle
C. epidermis
D. dermis
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
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