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Q. No.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
(b)
Males and females distinct
(b)
ear
Fertilization is external
(b)
Oviparous
(b)
Organ level of organization
Subtopic: Study of Amphibians |
71%
Level 2: 60%+
Hints
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%
Level 3: 35%-60%
Hints
Pinworm, Hookworm, and Filaria worm belong to:
| 1. | Annelida | 2. | Platyhelminthes |
| 3. | Aschelminthes | 4. | Arthropoda |
Subtopic: Phylum Aschelminthes |
81%
Level 1: 80%+
Hints
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 |
77%
Level 2: 60%+
Hints
The animals belonging to all the following groups are exclusively marine except:
| 1. | Ctenophora | 2. | Porifera |
| 3. | Protochordata | 4. | Echinodermata |
Subtopic: Phylum Porifera |
74%
Level 2: 60%+
Hints
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%
Hints
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 |
60%
Level 2: 60%+
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The diagram below shows the body plan of a:
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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Subtopic: Study of Reptilia |
Level 4: Below 35%
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Consider the given statements regarding sponges:
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
| 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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