Phylum Annelida

Q. Which of the following is not a parasite?

1. Leech
2. Tapeworm
3. Earthworms
4. Wuchereria

Q.

Which of the following characters are present in class Crustacea?

1. Head and thorax, gills and appendages

2. Cephalothorax, book gills and appendages

3. Cephalothorax, gills and appendages

4. Head and thorax, book gills and appendages

Q. Choose the organism which has true coelom:

1. Tapeworm
2. Wuchereria
3. Planaria
4. Nereis

Q.

The clitellum is a distinct part in the body of earthworm. It is found in

1. Segments 12-l3-14

2. Segments 15-16-17

3. Segments 14-15-16

4. Segments l3-14-15

Q.

Ascaris is characterised by

1. Absence of true coelom and presence of metamerism

2. Presence of true coelom but absence of metamerism

3. Presence of true coelom and metamerism

4. Presence of neither true coelom nor metamerism

Q.

Real organs are absent in

1. Mollusca

2. Coelenterata

3. Arthropoda

4. Echinodermata

Q.

In which segment in earthworm is the clitellum present?

1. 14^th to 16^th segment

2. 16^th segment

3. 5^th to 6^th segment

4. 17^th to 19^th segment

Q.

Assertion [A] : Platyhelminthes are acoelomates.

Reason [R] : In platyhelminthes the coelom is filled with a packing tissue called mesenchyme.

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

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

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

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

Q. Consider the following features:

A. Bilateral symmetry
B. Triploblastic
C. Coelomates

Select the correct group of phyla which exhibits all the above mentioned characteristics.

1. Annelida, Mollusca, Arthropoda
2. Porifera, Cnidaria, Ctenophora
3. Platyhelminthes, Annelida, Mollusca
4. Cnidaria, Platyhelminthes, Aschelminthes

Q. Choose the correct combination of features of phylum Annelida:

1. Radially symmetrical, tissue level of organisation, diploblastic
2. Bilaterally symmetrical, metameric segmentation, true coelom
3. Bilaterally symmetrical, round cross section, pseudocoelomates
4. Bilaterally symmetrical, flatworms, acoelomates

Q. Glochidium larva is found in

1. Pila
2. Unio
3. Asterias
4. Sepia

Q. Annelids are

1. Marine animals
2. Freshwater animals
3. Terrestrial animals.
4. All of these

Q. Organisms with amphiblastula larva are

1. Sycon
2. Euplectella
3. Both A and B
4. None of the above

Q. Why is caecum called blind sac? i know that "caecus" means blind but why is it named so?

Q.

The animals that developed the following features for the first time are grouped under the phylum -

1). True coelom

2). Segmentation

​3). Locomotory organs

1. Aschelminthes

2. Annelida

3. Platyhelminthes

4. Cnidaria

Q.

Which one of the following is not correctly matched?

1. Arthropoda – Cancer, Cyclops, Lepisma

2. Mollusca – Aplysia, Unio, Loligo

3. Annelida – Hirudinaria, Aphrodita, Rhabditis

4. Porifera – Euspongia, Chalina, Hyalonema

Q.

Organ system level of organisation is seen in

1. Sponges

2. Cnidarians

3. Nematodes (Aschelminthes)

4. Annelids

Q. Annelids exhibit segmentation.

1. alternate
2. parallel
3. metameric
4. coaxial

Q. A terrestrial mollusc is

1. Pila
2. Helix
3. Limax
4. Both B and C

Q. Which of the following class of protozoa is totally parasitic?

1. Ciliata
2. Sporozoa
3. Sarcodina
4. Mastigophora

Q.

difference between open type and closed type circulatory system in tabular form?

Q. Match the organisms to their respective Phylum.

1. Annelida
2. Ascaris
3. Platyhelminthes
4. Aschelminthes
5. Hirudinaria
6. Fasciola

Q. In which of these following phyla given as the adult shows radial symmetry, the larva shows bilateral symmetry?

1. Arthropods
2. Echinodermata
3. Annelids
4. Molluscs

Q. Class Archiannelida is characterised by

1. Presence of setae
2. Presence of both setae and parapodia
3. Presence of parapodia
4. Absence of both setae and parapodia

Q. Only internal segmentation is found in class

1. Oligichaeta
2. Polychaeta
3. Hirudinea
4. Archiannelida

Q. The circulatory system in annelids can be

Q.

In which segment in earthworm is the clitellum present?

1. 16th segment

2. 5-6th segment

3. 14-16th segment

4. 17-19th segment

Q. Excretion in star fish done by?

1. Protonephridia
2. General body surface
3. Metanephridia
4. Solenocyte

Q. The plant body of Funaria is

1. Predominantly sporophyte with independent gametophyte
2. Sporophyte
3. Predominantly gametophyte with dependent sporophyte
4. Gametophyte

Q. Echinoderms are regarded as being closely related to chordates, which of the following indicates this?

1. Form a circulatory system
2. Bilateral symmetry
3. Endoskeleton
4. Early embryonic development
5. Possession of a notochord