Which one of the following pairs of animals comprises ‘jawless fishes’?
1. Guppies and hag fishes
2. Lampreys and eels
3. Mackerels and Rohu
4. Lampreys and hag fishes
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Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?
1. | Reptilia: possess 3 - chambered heart with one incompletely divided ventricle |
2. | Chordata: possess a mouth provided with an upper and lower jaw |
3. | Chondrichthyes: possess cartilaginous endoskeleton |
4. | Mammalia: give birth to young one |
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Uricotelic mode of passing out nitrogenous wastes is found in
1. | reptiles and bird | 2. | birds and annelids |
3. | amphibians and reptiles | 4. | insects and amphibians |
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 |
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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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