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
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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) |
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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. |
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Match the name of the animal (Column I), with one characteristics (Column II), and the phylum/class (Column III) to which it belongs
|
Column I |
Column II |
Column III |
|
|
1. |
Ichthyophis |
terrestrial |
Reptilia |
|
2. |
Limulus |
body covered by chitinous exoskeleton |
Pisces |
|
3. |
Adamsia |
radially symmetrical |
Porifera |
|
4. |
Petromyzon |
ectoparasite |
Cyclostomata |
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A marine cartilaginous fish that can produce electric current is:
| 1. | Pristis | 2. | Torpedo |
| 3. | Trygon | 4. | Scoliodon |
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The diagram given below shows the germs layer. The animals having structures shown in the figures A and B are respectively called
| 1. | Diploblastic, Triploblastic | 2. | Triploblastic, Diploblastic |
| 3. | Diploblastic, Diploblastic | 4. | Triploblastic, Triploblastic |
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In some Bilateria, the body is of many segments that show serial repetition of parts. Such segments are called as:
1. Myotomes
2. Metameres
3. Proglottides
4. Comb plates
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The phylum with exclusively marine animals is:
| 1. | Porifera | 2. | Cnidaria |
| 3. | Ctenophora | 4. | Platyhelminthes |
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Which of the following is not a feature of birds?
1. Forelimbs modified into wings
2. Single occipital condyle
3. Ten pairs of cranial nerves
4. Four chambered heart
Chordates are not characterized by:
| 1. | Ventral nerve cord | 2. | Post anal tail |
| 3. | Gill slits | 4. | A notochord |
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