Animal Kingdom

Which one of the following phyla is correctly matched with its two general characteristics?

1. Echinodermata - pentamerous radial symmetry and mostly internal fertilization
2. Mollusca - normally oviparous and development through a trochophore or veliger larva
3. Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae
4. Chordata - notochord at some stage and separate anal and urinary openings to the outside

Which one of the following is not a characteristic of Phylum Annelida?

1. Pseudocoelom
2. Ventral nerve cord
3. Closed circulatory system
4. Segmentation

Which of the following pairs are correctly matched? array|l|l|c|l| & Animals & & Morphological features \ (i) & Crocodile & – & 4-chambered heart \ (ii) & Sea urchin & – & Parapodia \ (iii) & Obelia & – & Metagenesis \ (iv) & Lemur & – & Thecodont \ array

1. (ii), (iii) and (iv)
2. only (i) and (iv)
3. only (i) and (ii)
4. (i), (iii) and (iv)

Which one of the following is a matching pair of body feature and the animal possessing it?

1. Ventral central nervous system – Leech
2. Pharyngeal gill slits absent in embryo – Chamaeleon
3. Ventral heart – Scorpion
4. Post-anal tail – Octopus

What is common between parrot, platypus and kangaroo?

1. Toothless jaws
2. Functional post-anal tail
3. Oviparity
4. Homoiothermy

What is true about Nereis, scorpion, cockroach and silverfish?

1. They all possess dorsal heart.
2. None of them is aquatic.
3. They all belong to the same phylum.
4. They all have jointed paired appendages.

Biradial symmetry and lack of cnidoblasts are the characteristic of

1. Hydra and starfish
2. starfish and sea anemone
3. Ctenoplana and Beroe
4. Aurelia and Paramecium

Two common characters found in centipede, cockroach, and crab are

1. book lungs and antennae
2. compound eyes and anal cerci
3. jointed legs and chitinous exoskeleton
4. green gland and tracheae

In which one of the following sets of animals do all the four give birth to young ones?

1. Kangaroo, hedgehog, dolphin, Loris
2. Lion, bat, whale, ostrich
3. Platypus, penguin, bat, hippopotamus
4. Shrew, bat, cat, kiwi

Metameric segmentation is the characteristic of

1. Mollusca and Chordata
2. Platyhelminthes and Arthropoda
3. Echinodermata and Annelida
4. Annelida and Arthropoda

Which one of the following is a matching set of a phylum and its three examples?

1. Porifera - Spongilla, Euplectella, Pennatula
2. Cnidaria - Bonellia, Physalia, Aurelia
3. Platyhelminthes - Planaria, Schistosoma, Enterobius
4. Mollusca - Loligo, Teredo, Octopus

Which one of the following has an open circulatory system?

1. Octopus
2. Pheretima
3. Periplaneta
4. Hirudinaria

In contrast to annelids the platyhelminthes show

1. absence of body cavity
2. bilateral symmetry
3. radial symmetry
4. presence of pseudocoel.

From the following statements select the wrong one

1. Prawn has two pairs of antennae.
2. Nematocysts are characteristic of the phylum Cnidaria.
3. Millipedes have two pairs of appendages in each segment of the body.
4. Animals belonging to phylum Porifera are marine and fresh water.

Which one of the following characters is not typical of the class Mammalia?

1. Thecodont dentition
2. Alveolar lungs
3. Ten pairs of cranial nerves
4. Seven cervical vertebrae

In Arthropoda, head and thorax are often fused to form cephalothorax, but in which one of the following classes, is the body divided into head, thorax and abdomen?

1. Insecta
2. Myriapoda
3. Crustacea
4. Arachnida and Crustacea

The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the Phylum

1. Annelida
2. Mollusca
3. Cnidaria
4. Echinodermata

One of the following is a very unique feature of the mammalian body

1. homeothermy
2. presence of diaphragm
3. four chambered heart
4. rib cage

Sycon belongs to a group of animals, which are best described as

1. unicellular or acellular
2. multicellular without any tissue organization
3. multicellular with a gastrovascular system
4. multicellular having tissue organization, but no body cavity.

During the life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively

1. redia and miracidium
2. cercaria and redia
3. metacercaria and cercaria
4. miracidium and metacercaria

Which one of the following is a matching pair of an animal and a certain phenomenon it exhibits?

1. Pheretima – Sexual dimorphism
2. Musca – Complete metamorphosis
3. Chameleon – Mimicry
4. Taenia – Polymorphism

In which of the following animals nerve cell is present but brain is absent?

1. Sponge
2. Earthworm
3. Cockroach
4. Hydra

In which of the following, notochord is present in embryonic stage?

1. All chordates
2. Some chordates
3. Vertebrates
4. Non-chordates

In which of the following animals, haemocyanin pigment is found?

1. Annelida
2. Echinodermata
3. Insecta
4. Mollusca

In which of the following animals post-anal tail is found?

1. Earthworm
2. Lower invertebrates
3. Scorpion
4. Snake

In Hydra, waste material of food digestion and nitrogenous waste material are removed respectively from

1. mouth and mouth
2. body wall and body wall
3. mouth and body wall
4. mouth and tentacles

Which of the following animals have scattered cells with cell-tissue grade organisation?

1. Sponge
2. Hydra
3. Liver fluke
4. Ascaris

Similarity in Ascaris lumbricoides and Anopheles stephensi is

1. sexual dimorphism
2. metamerism
3. anaerobic respiration
4. endoparasitism.

Which of the following characters is absent in all chordates?

1. Diaphragm
2. Coelom
3. Pharyngeal gill clefts
4. Dorsal nerve cord

What is true for mammalia?

1. Platypus is oviparous.
2. Bats have feathers.
3. Elephant is ovoviviparous.
4. Diaphragm is absent in them.