Animal Kingdom

Which of the following animals does not undergo metamorphosis?

1. Tunicate
2. Starfish
3. Earthworm
4. Moth

Identify the vertebrate group of animals characterised by crop and gizzard in its digestive system.

1. Amphibia
2. Osteichthyes
3. Reptilia
4. Aves

Which one of these animals is not a homeotherm?

1. Chelone
2. Macropus
3. Psittacula
4. Camelus

Important characteristic that hemichordates share with chordates is

1. ventral tubular nerve cord
2. pharynx with gill slits
3. pharynx without gill slits
4. absence of notochord

Which among these is the correct combination of aquatic mammals?

1. Dolphins, Seals, Trygon
2. Whales, Dolphins, Seals
3. Trygon, Whales, Seals
4. Seals, Dolphins, Sharks

In case of poriferans, the spongocoel is lined with flagellated cells called

1. oscula
2. choanocytes
3. mesenchymal cells
4. ostia

In case of poriferans, the spongocoel is lined with flagellated cells called

1. mesenchymal cells
2. oscula
3. ostia
4. choanocytes

Which of the following characteristic features always holds true for the corresponding group of animals?

1. Possess a mouth with an upper and a lower jaw – Chordata
2. 3-chambered heart with one incompletely divided ventricle – Reptilia
3. Cartilaginous endoskeleton – Chondrichthyes
4. Viviparous – Mammalia

Which one of the following characteristics is not shared by birds and mammals?

1. Viviparity
2. Warm blooded nature
3. Ossified endoskeleton
4. Breathing using lungs

Which of the following features is not present in the Phylum Arthropoda?

1. Parapodia
2. Jointed appendages
3. Chitinous exoskeleton
4. Metameric segmentation

Which of the following features is not present in Periplaneta americana?

1. Indeterminate and radial cleavage during embryonic development
2. Schizocoelom as body cavity
3. Metamerically segmented body
4. Exoskeleton composed of N-acetylglucosamine

Choose the correct statement

1. All mammals are viviparous.
2. All cyclostomes do not possess jaws and paired fins.
3. All reptiles have a three-chambered heart.
4. All pisces have gills covered by an operculum.

Body having meshwork of cells, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of Phylum

1. Mollusca
2. Protozoa
3. Coelenterata
4. Porifera.

Metagenesis refers to

1. occurrence of a drastic change in form during post-embryonic development
2. presence of a segmented body and parthenogenetic mode of reproduction
3. presence of different morphic forms
4. alternation of generation between asexual and sexual phases of an organism.

A jawless fish, which lays eggs in fresh water and whose ammocoetes larvae after metamorphosis return to the ocean is

1. Neomyxine
2. Petromyzon
3. Eptatretus
4. Myxine

Which of the following endoparasites of humans does show viviparity?

1. Trichinella spiralis
2. Ascaris lumbricoides
3. Ancylostoma duodenale
4. Enterobius vermicularis

Which of the following represents the correct combination without any exception? (Characteristics – Class)

1. Sucking and circular mouth; jaws absent, integument without scales; paired appendages. – Cyclostomata
2. Body covered with feathers; skin moist and glandular, forelimbs form wings; lungs with air sacs. – Aves
3. Mammary gland; hair on body; pinnae; two pairs of limbs. – Mammalia
4. Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. – Chondrichthyes

Which of the following animals is not viviparous?

1. Platypus
2. Whale
3. Flying fox (Bat)
4. Elephant

Which of the following characteristics is mainly responsible for diversification of insects on land?

1. Exoskeleton
2. Eyes
3. Segmentation
4. Bilateral symmetry

Select the taxon mentioned that represents both marine and fresh water species.

1. Echinoderms
2. Ctenophora
3. Cephalochordata
4. Cnidaria

Which one of the following living organisms completely lacks a cell wall?

1. Cyanobacteria
2. Sea-fan ( Gorgonia)
3. Saccharomyces
4. Blue-green algae

Planaria possesses high capacity of

1. metamorphosis
2. regeneration
3. alternation of generation
4. bioluminescence.

Planaria possesses high capacity of

1. alternation of generation
2. regeneration
3. bioluminescence.
4. metamorphosis

A marine cartilaginous fish that can produce electric current is

1. Pristis
2. Torpedo
3. Trygon
4. Scoliodon.

Which of the following are correctly matched with respect to their taxonomic classification?

1. House fly, butterfly, tsetse fly, silverfish – Insecta
2. Spiny anteater, sea urchin, sea cucumber – Echinodermata
3. Flying fish, cuttlefish, silverfish – Pisces
4. Centipede, millipede, spider, scorpion – Insecta

Which group of animals belong to the same phylum?

1. Prawn, Scorpion, Locusta
2. Sponge, Sea anemone, Starfish
3. Malarial parasite, Amoeba, Mosquito
4. Earthworm, Pinworm, Tapeworm

Match the name of the animal (column I), with one characteristic (column II), and the phylum/class (column III) to which it belongs.

1. array|l|l|l| Column I & Column II & Column III \ Limulus & Body covered by chitinous exoskeleton & Pisces \ array
2. array|l|l|l| Column I & Column II & Column III \ Adamsia & Radially symmetrical & Porifera \ array
3. array|l|l|l| Column I & Column II & Column III \ Petromyzon & Ectoparasite & Cyclostomata \ array
4. array|l|l|l| Column I & Column II & Column III \ Ichthyophis & Terrestrial & Reptilia \ array

One of the representatives of Phylum Arthropoda is

1. puffer fish
2. flying fish
3. cuttle fish
4. silver fish.

The characteristics of Class Reptilia are

1. body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca
2. fresh water animals with bony endoskeleton, air-bladder to regulate buoyancy
3. marine animals with cartilaginous endoskeleton, body covered with placoid scales
4. body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Which one of the following groups of animals reproduces only by sexual means?

1. Cnidaria
2. Porifera
3. Protozoa
4. Ctenophora