CBSE
Water vascular system is present in which of the following phylum?
Porifera
Cnidaria
Ctenophora
Echinodermata
Mesoglia is seen in between
ectoderm and endoderm
ectoderm and mesoderm
mesoderm and endoderm
just below mesoderm
State the advantages of composite fish culture.
Green gland is the excretory organ of
prawn
butterfly
snail
earthworm
In which triploblastic animal, coelom is absent?
Platyhelminthes
Aschelminthes
Annelids
Arthropoda
The typhlosole in earthworm is related with
excretion
absorption
respiration
reproduction
In which of the following phyla, compound eyes are present?
Annelida
Arthropoda
Mollusca
Echinodermata
The parasite, which completes its life cycle in a single host is
Fasciola hepatica
Plasmodium vivax
Taenia solium
Ascaris lumbricoides
Name two internal characteristic features of class-Mammalia
Which one of the following is the infective stage of Ascaris lumbricoides?
Unsegmented egg
Egg with first stage larva
Egg with second stage larva
Free third stage larva