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

Subtopic:  Phylum Hemichordata |
 93%
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Which of the following is not an Arthropod characteristic?

1. Jointed appendages 2. Periodic molting
3. Closed circulation 4. Articulated exoskeleton
Subtopic:  Phylum Arthropoda |
 78%
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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

Subtopic:  Phylum Arthropoda |
 59%
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Flame cells are excretory structures seen in:

1. Platyhelminthes 2. Annelids
3. Arthropods 4. Cnidarians
Subtopic:  Phylum Ctenophora & Platyhelminthes |
 92%
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Euplectella [Venus Flower Basket], shown in the figure below, belongs to:

1. Porifera 2. Cnidaria
3. Ctenophora 4. Platyhelminthes
Subtopic:  Phylum Porifera |
 65%

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Pinworm, Hookworm, and Filaria worm belong to:

1. Annelida 2. Platyhelminthes
3. Aschelminthes 4. Arthropoda
Subtopic:  Phylum Aschelminthes |
 80%
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Icthyophis is a/an:

1. Tunicate chordate 2. Flightless bird
3. Limbless amphibian 4. Egg-laying mammal
Subtopic:  Study of Amphibians |
 89%
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Water exits from a sponge through the:

1. Spicule 2. Choanocyte
3. Amoebocyte 4. Osculum
Subtopic:  Phylum Porifera |
 89%
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Which one of the following is not a poisonous snake?

1. Cobra 2. Viper
3. Python 4. Krait
Subtopic:  Study of Reptilia |
 75%
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Body cavity is the cavity present between body wall and gut wall. In some animals, the body cavity is not lined by mesoderm. Such animals are called

1. Acoelomate 2. Pseudocoelomate
3. Coelomate 4. Haemocoelomate
Subtopic:  Phylum Aschelminthes |
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