Phylum Platyhelminthes
Trending Questions
Q. During its life cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stage respectively :
- Redia and miracidium
- Cercaria and redia
- Metacercaria and cercaria
- Miracidium and metacercaria
Q. Which among the following organisms have an incomplete digestive system?
- Fasciola
- Octopus
- Asterias
- Ascidia
Q.
Highest regeneration capacity is seen in:
Fascioloa
Ascaris
Taenia
Dugesia
Q.
Do Platyhelminthes have a brain?
Q.
Prepare a list of some animals that are found parasitic on human beings.
Q. Which one of the following kind of animal is triploblastic?
- Flatworms
- Sponges
- Ctenophores
- Corals
Q.
Which one of the following belongs to Phylum Platyhelminthes?
Plasmodium
Fasciola
Wuchereria
Trypanosoma
Q.
What are the peculiar features that you find in parasitic platyhelminthes?
Q.
In contrast to the Annelids, the Platyhelminthes show:
Absence of body cavity
Bilateral symmetry
Presence of pseudocoel
Radial symmetry
Q. The microsporophylls of pinus has
- Many microsporangia
- No microsporangia
- 2 microsporangia
- Only one microsporangium
Q. Prepare a list of some animals that are found parasitic to human beings.
Q. Platyhelminths are
- Coelomates
- Acoelomates
- Pseudocoelomates
- True coelomates
Q.
Prepare a list of some animals that arefound parasitic on human beings.
Q. Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?
- Penguin is homeothermic while the remaining three are poikilothermic.
- All are bilaterally symmetrical.
- Leech is a fresh water form while all other are marine.
- Spongilla has special collared cells called choanocytes, not found in the remaining three.
Q. Hollow/Blind sac plan occurs in ___________.
- Porifers
- Coelenterates
- Flatworms
- Both B and C
Q. Name the type of interaction seen in each of the following examples.
Ascaris worm living in the intestine of humans.
Q. The digestive system in platyhelminthes has
- one opening
- two opening
- three opening
- four opening
Q.
Give one scientific term for the following:
1. Blood filled cavity in arthropods.
2.A collection of nerve cell bodies.
Q. During its life-cycle , Fasciola hepatica(liver fluck)infects its intermediate host and primary host at the following larval stages respectively:-
a) Redia and miracidium
b) Cercaria and redia
c) Metacercaria and cercaria
d) Miracidium and metacercaria
a) Redia and miracidium
b) Cercaria and redia
c) Metacercaria and cercaria
d) Miracidium and metacercaria
Q. Match the following and choose the correct options:
Column I | Column II |
A. Organ level | I. Pheretima |
B. Cellular aggregate level | II. Fasciola |
C. Tissue level | III. Spongilla |
D. Organ system level | IV. Obelia |
- A-IV, B-III, C-I, D-II
- A-IV, B-II, C-III, D-I
- A-II, B-IV, C-III, D-I
- A-II, B-III, C-IV, D-I
Q. Planaria possess high capacity of:
- metamorphosis
- regeneration
- alternation of generation
- bioluminescence
Q.
Which phyla has most parasite animals?