Sycon belongs to a group of animals, which are best described as _______________.
multicellular with a gastrovascular system
multicellular having tissue organization, but no body cavity
unicellular or acellular
multicellular without any tissue organization
Given below are four matching of an animal and its kind of respiratory organ.
silver fish - trachea
Scorpion - book lung
sea squirt - pharyngeal gills
dolphin - lungs
Necturus maculosus is commonly called as ___________.
River water dog
Dwarf waterdog
mud poppy
blind worm
Which of the following unicellular organism has a macro - nucleus for trophic function and one or more micro - nuclei for reproduction?
Euglena
Amoeba
Paramecium
Trypanosoma
----------------- are excretory organs as nephridia in an earthworm.
parotid glands in toad
statocysts in prawn
flame cells in liver fluke
myotomes in fish
Gorilla, chimpanzee, monkeys and human belong to the same ________________.
Species
genus
family
order
Besides Annelida and Arthropoda, the metamerism is exhibited by _________________.
Cestoda
chordata
Mollusca
Acanthocephala
mimicry is responsible for ___________.
attack (offence)
protection (defence)
Both (a) and (B)
isolation
Mucus helps frog in forming _______________.
thick skin
dry skin
smooth skin
moist skin
Trachea of cockroach and mammal are similar in having ____________.
paired nature
non - collapsible walls
ciliated inner lining
origin from head
