Identify the incorrectly matched pair:

Phylum

Characteristic

1.

Porifera

Water vascular system

2.

Ctenophora

Bioluminescence

3.

Molluska

Radula

4.

Annelida

Closed circulatory system

Subtopic:  Phylum Porifera |
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Level 2: 60%+
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The animals belonging to all the following groups are exclusively marine except:

1. Ctenophora 2. Porifera
3. Protochordata 4. Echinodermata
Subtopic:  Phylum Porifera |
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Level 2: 60%+
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Pinworm, Hookworm, and Filaria worm belong to:

1. Annelida 2. Platyhelminthes
3. Aschelminthes 4. Arthropoda
Subtopic:  Phylum Aschelminthes |
 81%
Level 1: 80%+
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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 |
 60%
Level 2: 60%+
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In which one of the following, the genus name, its two characters and its, class/phylum are correctly matched?

Genus name Two characters Class/phylum
1. Ascaris (a)
(b)
Body segmented
Males and females distinct
Annelida
2. Salamandra (a)
 
(b)
A tympanum represents
ear
Fertilization is external
Amphibia
3. Pteropus (a)
(b)
Skin possesses hair
Oviparous
Mammalia
4. Aurelia (a)
(b)
Cnidoblasts
Organ level of organization
Coelenterata
Subtopic:  Study of Amphibians |
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Identify the correct statements regarding arthropods:

I: All arthropods use internal fertilization
II: All arthropods lay eggs
III: All arthropods' embryos are segmented

  

1. Only II 2. Only III
3. Only I and II 4. None
Subtopic:  Phylum Arthropoda |
Level 3: 35%-60%
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The larvae in echinoderms are:

I: Radially symmetrical II: Free swimming
 
1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Phylum Echinodermata |
 59%
Level 3: 35%-60%
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The diagram below shows the body plan of a:

1. Cephalochordate
2. Cyclostome
3. Cartilaginous fish
4. Bony fish
Subtopic:  Comparative study of Cartilagenous & Bony Fishes | Class Chondrichthyes |
 79%
Level 2: 60%+
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A typical reptilian heart is shown by the figure:

1. 2.
3. 4.
Subtopic:  Study of Reptilia |
Level 4: Below 35%
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Consider the given statements regarding sponges:
I: They have a cellular level of organisation
II: Digestion is intracellular
III: Fertilization is external and development is direct
 
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic:  Phylum Porifera |
 79%
Level 2: 60%+
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