CBSE
Earthworms are economically important for man as these are used as
bait for catching fish
food of poultry
medicine for gout
All of the above
Carotene pigment is found in the cells of
dermis
epidermis
adipose cell
both 'b' and 'c
Haemocoel is found in :
Hydra and Aurelia
Taenia and Ascaris
cockroach and Pila
Balanoglossus and Herdmania
Which of the following is a transparent tissue ?
Tendon
Fibrous cartilage
Hyaline cartilage
All of the above
The female genital pore of Pheretima posthuma located upon the segment ?
14th
16th
18th
15th
Vth cranial nerve of frog is called
optic nerve
vagus
trigeminal
opthalmic
Blastula of frog has :
blastopore
blastocoel
arahenteron
gastropore
The centrum of eighth vertebra of frog is
procoelous
heterocoelous
amphicoelous
opisthocoelous
Which one is uricotelic ?
Frog and toads
Lizards and birds/cockroach
Cattle, monkey and man
Molluscs and teleost fishes
Different colours of frog skin are controlled by:
hormones
melanocytes
nervous system
both 'a' and 'c'