Animal Kingdom

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

Which one of the following animals is correctly matched with its one characteristic and the taxon?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Sharks and dogfishes differ from skates and rays because

1. gill slits are ventrally placed
2. head and trunk are widened considerably
3. distinct demarcation between body and tail
4. their pectoral fins distinctly marked off from cylindrical bodies.

Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?

1. Pteropus and Ornithorhynchus – Viviparity
2. Garden lizard and crocodile – Three chambered heart
3. Ascaris and Ancylostoma – Metameric segmentation
4. Sea horse and flying fish – Cold blooded (poikilothermal)