1. Hair plates a. are part of the epidermis. b. function in proprioreception. c.
ID: 206739 • Letter: 1
Question
1. Hair plates
a. are part of the epidermis.
b. function in proprioreception.
c. can function chemoreception.
d. all of the above
e. only a and b
2. Hearing within the Insecta
a. has evolved many times.
b. is a derived state within the taxon.
c. is accomplished via tympanal organs.
d. all of the above
e. only a and c
3. Receptors used to detect air borne chemicals
a. can be found in the foregut.
b. are located on antennae.
c. also function in smelling.
d. two of the above
e. none of the above
4. Superposition ommatidia
a. are commonly found in both day and night-active insects.
b. contain retinular cells.
c. are image forming.
d. all of the above
e. only two of the above
Explanation / Answer
Answer
The skin divided into two parts an upper part known as epidermis and the lower part known as dermis. Dermis contain multilayer of cells. It also contain the nerve papillae to transfer signal from hair to brain.
Hair growth started from the dermis layer and move outward penetrating the epidermis layer as well. Longitudinal sections of hair shows the Blood vessels and nerve papilla at the base surrounded by stratum basale, from outside covered with follicle wall. This lower part is called as hair bulb. Hair has chemoreception type sensory system. In which chemical energy convert into signal passing from nerve to brain.
Proprioreception: It is sensory signal help in sensing the movement of our own body part.
A) Part of epidermis is wrong it is part of dermis
B) Proprioreception is wrong
Answer is (c) can function chemoreception.
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