All of the following structures are associated with circulatory system of cockroach, except.
Important Questions on Structural Organisation in Animals (Animal Morphology)
Read the following statement
a. Nervous system of cockroach consists of a series of segmentally fused ganglia located on dorsal side of body
b. In cockroach, sensory structures are absent on maxillary and labial palps
c. Supra oesophageal ganglion function as brain in cockroach
d. Mosaic vision in cockroach has less sensitivity but resolution is high
Select the correct option stating which statement is true and which one are false
Statement A : Tegmina in cockroaches help in flight.
Statement B : Male and female cockroaches can be distinguished on the basis of the presence or absence of anal cerci.
A : In earthworms, development is indirect and the larva is trochophore larva.
B: A mutual exchange of sperms occurs between two worms during mating
C: Fertilisation is internal and occurs within the cocoon deposited in soil
D: About 3 weeks are required for development, each cocoon produces two to twenty baby
worms with an average of four.
