The parasite, which completes its life cycle in a single host is
Fasciola hepatica
Plasmodium vivax
Taenia solium
Ascaris lumbricoides
Water vascular system is present in which of the following phylum?
Porifera
Cnidaria
Ctenophora
Echinodermata
In which triploblastic animal, coelom is absent?
Platyhelminthes
Aschelminthes
Annelids
Arthropoda
Small particles projecting from the inner membranes and cristae of mitochondria are known as
myeloid bodies
microsomes
informosomes
oxysomes
In which of the following phyla, compound eyes are present?
Annelida
Arthropoda
Mollusca
Echinodermata
Seed habit originated in
Bryophyta
Pteridophyta
Gymnosperms
Angiosperms
B.
Pteridophyta
Seed habit is found in vascular plants. It is the most complex and evolutionary method of sexual reproduction. It is defined as the ability to form seed. It was originated in Pteridosperms or seed ferns or Cycadofilicades during Devonian carboniferous periods.
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