Male and female cockroaches can be distinguished externally by the presence of ______________.
anal styles in male
anal cerci in female
anal style and antennae in females
both (b) and (c)
_____________ possess larval stage in their life cycle
Ascaris, house fly and frog
frog, lizard and cockroach
housefly earthworm and mosquito
pharyngeal gill slits
____________ have long bones which are hollow and connected by air passage.
Aves
mammals
Reptilia
land vertebrates
Trachea of cockroach and mammal are similar in having ____________.
paired nature
non - collapsible walls
ciliated inner lining
origin from head
Bi radial symmetry and lack of cnidoblasts are the characteristics of ____________.
starfish and sea anemone
ctenoplana and beroe
Aurelia and paramecium
Hydra and starfish
Ecdysis is shedding of _____________.
stratum corneum
epidermis
dermis
stratum malpighi
In which of the following chlorocruorin pigment is found?
Annelida
Echinodermata
Insecta
Lower chrodata
What is true about Taenia saginata?
Life histroy has pig as intermediate host
There are two large suckers on scolex
Rostellar hooks are absent
Rostellum has double circle of hooks
Mucus helps frog in forming _______________.
thick skin
dry skin
smooth skin
moist skin
