A water vascular system is characteristically present in:
1. | Annelids | 2. | Porifers |
3. | Echinoderms | 4. | Cartilaginous fishes |
In which of the following animals, the body is cylindrical and is composed of an anterior proboscis, a collar and a long trunk?
1. | Hemichordates | 2. | Urochordates |
3. | Cephalochordates | 4. | Vertebrate chordates |
Which of the following is not an Arthropod characteristic?
1. | Jointed appendages | 2. | Periodic molting |
3. | Closed circulation | 4. | Articulated exoskeleton |
Insects are not characterized by:
1. The main body segments – head, thorax and abdomen
2. Three pairs of legs
3. Two pairs of antennae
4. Excretion by Malpighian tubules
Flame cells are excretory structures seen in:
1. | Platyhelminthes | 2. | Annelids |
3. | Arthropods | 4. | Cnidarians |
Euplectella [Venus Flower Basket], shown in the figure below, belongs to:
1. | Porifera | 2. | Cnidaria |
3. | Ctenophora | 4. | Platyhelminthes |
Pinworm, Hookworm, and Filaria worm belong to:
1. | Annelida | 2. | Platyhelminthes |
3. | Aschelminthes | 4. | Arthropoda |
Icthyophis is a/an:
1. Tunicate chordate | 2. Flightless bird |
3. Limbless amphibian | 4. Egg-laying mammal |
Water exits from a sponge through the:
1. | Spicule | 2. | Choanocyte |
3. | Amoebocyte | 4. | Osculum |
Which one of the following is not a poisonous snake?
1. | Cobra | 2. | Viper |
3. | Python | 4. | Krait |