Animal Kingdom

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

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)

Which one of the following categories of animals, is correctly described with no single exception in it?

1. All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal).
2. All bony fishes have four pairs of gills and an operculum on each side.
3. All sponges are marine and have collared cells.
4. All mammals are viviparous and possess diaphragm for breathing.

Which one of the following characteristics is common both in humans and adult frogs?

1. Four chambered heart
2. Internal fertilization
3. Nucleated RBCs
4. Ureotelic mode of excretion

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?

1. array|l|l|l| Genus name & Two characters & Class/Phylum \ Pila & (a) Body segmented & Mollusca \ & (b) Mouth with radula & \ array
2. array|l|l|l| Genus name & Two characters & Class/Phylum \ Asterias & (a) Spiny skinned & Echinodermata \ & (b) Water vascular system & \ array
3. array|l|l|l| Genus name & Two characters & Class/Phylum \ Sycon & (a) Pore bearing & Porifera \ & (b) Canal system & \ array
4. array|l|l|l| Genus name & Two characters & Class/Phylum \ Periplaneta & (a) Jointed appendages & Arthropoda \ & (b) Chitinous exoskeleton & \ array

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

1. It is present only in larval tail in ascidian.
2. It is replaced by a vertebral column in adult frog.
3. It is absent throughout life in humans from the very beginning.
4. It is present throughout life in Amphioxus.

The figures (A – D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. [Figure]

1. (A) and (B) have cnidoblasts for self-defence
2. (A) and (D) respire mainly through body wall
3. (C) and (D) have a true coelom
4. (B) and (C) show radial symmetry

What will you look for to identify the sex of the following?

1. Female Ascaris – sharply curved posterior end
2. Male frog – a copulatory pad on the first digit of the hind limb
3. Female cockroach – anal cerci
4. Male shark – claspers borne on pelvic fins

Which one of the following groups of animals is correctly matched with its characteristic feature without any exception?

1. Reptilia : possess 3-chambered heart with an incompletely divided ventricle
2. Chordata : possess a mouth with an upper and a lower jaw
3. Chondrichthyes : possess cartilaginous endoskeleton
4. Mammalia : give birth to young ones

In which one of the following the genus name, its two characters and its class/phylum are correctly matched?

1. array|l|l|l| Genus name & Two characters & Class/Phylum \ Ascaris & (i) Body segmented & Annelida \ & (ii) Males and females distinct & \ array
2. array|l|l|l| Genus name & Two characters & Class/Phylum \ Salamandra & (i) A tympanum represents ear & Amphibia \ & (ii) Fertilization is external & \ array
3. array|l|l|l| Genus name & Two characters & Class/Phylum \ Pteropus & (i) Skin possesses hair & Mammalia \ & (ii) Oviparous & \ array
4. array|l|l|l| Genus name & Two characters & Class/Phylum \ Aurelia & (i) Cnidoblasts & Coelenterata \ & (ii) Organ level of organization & \ array

Crocodile and penguin are similar to whale and dogfish in which one of the following features?

1. Possess a solid single stranded central nervous system
2. Lay eggs and guard them till they hatch
3. Possess bony skeleton
4. Have gill slits at some stage

One example of animals having a single opening to the outside that serves both as mouth as well as anus is

1. Octopus
2. Asterias
3. Ascidia
4. Fasciola

Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct?

1. Penguin is homoiothermic while the remaining three are poikilothermic.
2. Leech is a fresh water form while all others are marine.
3. Spongilla has special collared cells called choanocytes, not found in the remaining three.
4. All are bilaterally symmetrical.

Which one of the following kinds of animals are triploblastic?

1. Flatworms
2. Sponges
3. Ctenophores
4. Corals

Which one of the following statements about certain given animals is correct?

1. Roundworms (Aschelminthes) are pseudocoelomates
2. Molluscs are acoelomates
3. Insects are pseudocoelomates
4. Flatworms (Platyhelminthes) are coelomates

Which one of the following groups of animals is bilaterally symmetrical and triploblastic?

1. Aschelminthes (round worms)
2. Ctenophores
3. Sponges
4. Coelenterates (cnidarians)

Which one of the following pairs of animals comprises 'jawless fishes'?

1. Mackerels and rohu
2. Lampreys and hagfishes
3. Guppies and hagfishes
4. Lampreys and eels

Peripatus is a connecting link between:

1. Ctenophora and Platyhelminthes
2. Mollusca and Echinodermata
3. Coelenterata and Porifera
4. Annelida and Arthropoda

Which one of the following in birds indicates their reptilian ancestry?

1. Two special chambers crop and gizzard in their digestive tract
2. Eggs with a calcareous shell
3. Scales on their hind limbs
4. Four-chambered heart

Ascaris is characterized by

1. presence of true coelom but absence of metamerism
2. presence of true coelom and metamerism (metamerisation)
3. absence of true coelom but presence of metamerism
4. presence of neither true coelom nor metamerism

Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature?

1. array|l|l| Animals & Morphological features \ Scorpion, spider, cockroach & ventral solid central nervous system \ array
2. array|l|l| Animals & Morphological features \ Cockroach, locust, Taenia & metameric segmentation \ array
3. array|l|l| Animals & Morphological features \ Liver fluke, sea anemone, sea cucumber & bilateral symmetry \ array
4. array|l|l| Animals & Morphological features \ Centipede, prawn, sea urchin & jointed appendages \ array