ANIMAL KINGDOM

Animal Kingdom

ANIMAL KINGDOM 1

These MCQs are intended for checking your Biology Chapter ANIMAL KINGDOM, knowledge.

Organ system level of organization is observed in

1. molluscs

2. annelids

3. Chordates

4. All of these

The animal with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage belongs to the
phylum

1. Mollusca

2. Annelida

3. Cnidaria

4. Echinodermata

Body cavity lined by mesoderm is called

1. pseudocoel

2. coelenteron

3. coelom

4. blastocoel

True segmentation is also called

1. metamerism

2. metamorphosis

3. metastasis

4. metagenesis

Which one of the following figures shows coelomate condition?

1. B

2. C

3. None of these

4. A

The above description is the characteristic of phylum

Triploblastic, unsegmented, acoelomate exhibiting bilateral symmetry and reproducing both asexually and sexually,
with some parasitic forms.

1. Cnidaria

2. Platyhelminthes

3. Annelida

4. Ctenophora

Which of the following is/are correct?

1. c-Arthropoda are non-chordates

2. Both (b) and (c)

3. b-Notochord is a mesodermally derived rod-like structure formed on the dorsal side in embryonic development in some animals

4. a-Notochord is ectodermal in origin present in some animals

Hypopharynx of the cockroach acts as

1. jaws

2. lips

3. mouth

4. tongue

In the digestive system of cockroach, gastric caeca is present at the junction of

1. foregut and mouth

2. midgut and foregut

3. midgut and hindgut

4. hindgut and foregut

The pseudocoelomate among these is

1. Mollusca

2. Porifera

3. Aschelminthes

4. Annelida

The response to external stimulus is maximally quicker and more precise in which of the following
symmetry?

1. Bilateral

2. Radial

3. Spherical

4. Biradial

The term 'bilateral symmetry refers

1. when the body can be divided into identical left and right halves only in one plane

2. to any plane passing through centre, which does not divide the body into equal halves

3. when the body can be divided into two unequal halves on passing central axis through it

4. any plane passing through the central axis of the body dividing the organism into two equal halves

Higher phylum like echinoderms are

1. uniblastic animals

2. quadroblastic animals

3. triploblastic animals

4. diploblastic animals

Radial symmetry is seen in

1. None of the above

2. Mollusca, Porifera and Echinodermata

3. Porifera, Annelida and Arthropoda

4. Echinodermata, Ctenophors and Cnidaria

The cross-section of the body of an invertebrate is given below. Identify the animal, which has this body plan

1. Cockroach

2. Earthworm

3. Roundworm

4. Plana

Phylum that exhibit radial or radial-like symmetry is/are

1. Ctenophora

2. Echinodermata

3. Coelenterata

4. All of these

Which one of the following sets of animals belong to a single taxonomic group?

1. Bat, pigeon, butterfly

2. Monkey, chimpanzee, man

3. Cuttlefish. jellyfish, silverfish, dogfish, starfish

4. Silkworm, tapeworm, earthworm

Choose the false option.

1. Amoeba - Asymmetrical

2. Coelenterates - Diploblastic, radial symmetry, non-chordates

3. Annelid - Pseudocoelomate

4. Chordates - Petromyzon, Ornithorhynchus, Equus

A complete set of the mouth parts of the cockroach consists of

1. cavity between body wall and gut wall

2. body cavity not lined by mesoderm

3. body cavity lined by endoderm

4. body cavity lined by mesoderm

Fill in the blanks with the correct options.
I...... have cellular level of organisation
II. Coelom is not seen in ........
III. Radial symmetry is seen in phylum-Coelenterata, Ctenophora and...C.....
IV. Notochord is lacking in ...D...
V....... are bilaterally symmetrical.
Here I to V refers to

1. 1-Porifera, 2-Platyhelminthes, 3-Echinodermata, 4-Mollusca, 5-Arthropoda

2. 1-Echinodermata, 2-Arthropoda, 3-Platyhelminthes, 4-Mollusca, 5-Porifera

3. 1-Platyhelminthes, 2-Echinodermata, 3-Arthropoda, 4-Mollusca, 5-Porifera

4. 1-Porifera, 2 Echinodermata, 3-Mollusca, 4-Arthropoda, 5-Platyhelminthes

In tissue level of organisation the

1. cells are arranged as loose cell aggregate

2. cells performing the same function are arranged into

3. tissues are grouped to form systems

4. tissues are grouped to form organs

Diploblastic animals belong to the phylum

1. Platyhelminthes

2. Coelenterata

3. Protozoa

4. Protista

Tube-within-tube body plan is found in which animal?

1. Hydra

2. None of these

3. Fasciola

4. uspongia

In some chordates, the notochord is modified as the vertebral column. Such animals are called vertebrates.
Which one of these statements makes sense?

1. chordates are not vertebrates and vertebrates are not chordates

2. All vertebrates are chordates, but all chordates are not vertebrates

3. All chordates are vertebrates, but all vertebrates are not chordates

4. All vertebrates are chordates and all chordates are vertebrates

Which one of the following statements is totally wrong about the occurrence of notochord, while the other three are
correct?

1. It is present throughout life in Amphioxus

2. It is replaced by a vertebral column in adult frog

3. It is present only in larval tail in ascidian

4. It is absent throughout life in humans from the very beginning

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