Phylum Platyhelminthes

Q. Which of the following options correctly represent the structure and the function of the tapeworm?

1. A - Hooks - Absorbs the nutrient from the host
   B - Suckers - Attach to the host intestine
2. A - Suckers - Absorbs the nutrient from the host
   B - Hooks - Attach to the host intestine
3. A - Hooks - Attach to the host intestine
   B - Suckers - Attach to the host intestine
4. A - Suckers - Attach to the host intestine
   B - Hooks - Absorbs the nutrient from the host

Q.

Which one of the following belongs to Phylum Platyhelminthes?

1. Wuchereria

2. Trypanosoma

3. Plasmodium

4. Fascioloa

Q.

Which of the following statements are incorrect about Phylum Platyhelminthes?

1. Mesoglea is present in between ectoderm and endoderm in Obelia

2. Radial symmetry is found in Asterias

3. Fasciola is a pseudocoelomate animal

4. Taenia is a triploblastic animal

Q. Which of the following are common features of platyhelminths?

1. Diploblastic nature
2. Acoelomate body
3. Organ level of organisation
4. Bilateral symmetry

Q.

Assertion [A]: Platyhelminths are acoelomates.

Reason [R]: Platyhelminths develop three primary germ layers during early embryogenesis.

1. Assertion [A] and Reason [R] are True.

2. Reason [R] is True and Assertion [A] is False.

3. Assertion [A] is True and Reason [R] is False.

4. Assertion [A] and Reason [R] are False.

Q.

Animals in which phylum show triploblasty, bilateral symmetry and cephalisation for the first time?

1. Porifera

2. Ctenophora

3. Cnidaria

4. Platyhelminthes

Q. Which of the following does not belong to Phylum Platyhelminthes?

1. Planaria
2. Pheretima
3. Fasciola
4. Taenia

Q. Platyhelminths are

1. Coelomates
2. Acoelomates
3. Pseudocoelomates
4. True coelomates

Q. In contrast to annelids the Platyhelminthes show

1. Bilateral symmetry
2. Presence of pseudocoel
3. Absence of body cavity
4. Radial symmetry

Q. During its life cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stage respectively :

1. Cercaria and redia
2. Miracidium and metacercaria
3. Metacercaria and cercaria
4. Redia and miracidium