CBSE
Multiple Choice QuestionsWhich one is not diploblastic?
Sponge
Cnidarian
Nematoda
Tenophora
Which of the following is made up of a single bone in mammals?
Dentary
Hyoid
Upper jaw
All of these
Gemmule formation in sponges are useful in
asexual reproduction
sexual reproduction
parthenogenesis
parthenocarpy
Sycon belongs to a group of animals which are best described as
multicellular with a gastrovascular system
multicellular having tissue organisation, but no body cavity
unicellular or acellular
multicellular without any tissue organisation
A sponge harmful to oyster industry is
Cliona
Euspongia
Hyalonema
Spongilla
Water vascular system is characteristic of
Protozoa
Porifera
Annelida
Echinodermata
Which one of the following animals lay eggs yet the female secretes milk?
Bat
Kangaroo
Platypus
Ostrich
Moulting in snakes is done by shedding
comified cells
stratified germinativum
epidermis
dermis
During its life cycie, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively
metacercaria and ceracaria
miracidium and metacercaria
redia and miracidium
cercaria and redia
Leveret is young one of
eagle
hawk
deer
None of these
