Q. No.Body having meshwork of cell, internal cavities lined with food filtering flagellated cells and indirect development are the characteristics of phylum:
1.
Porifera
2.
Mollusca
3.
Protozoa
4.
Coelenterate
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Metagenesis refers to–
1. Alternation of generation between asexual and sexual phases of an organism
2. Occurrence of a drastic change in form during post-embryonic development
3. Presence of a segmented body and parthenogenetic mode of reproduction
4. Presence of different morphic forms
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Which of the following diseases is caused by a protozoan?
1. Influenza
2. Babesiosis
3. Blastomycosis
4. Syphilis
Which of the following features is not present in the Phylum - Arthropoda?
1. Jointed appendages
2. Chitinous exoskeleton
3. Metameric segmentation
4. Parapodia
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In case of poriferans, the spongocoel is lined with flagellated cells called :
1. ostia
2. oscula
3. choanocytes
4. mesenchymal cells
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What is common between parrot, platypus and kangaroo?
| 1. | toothless jaws | 2. | functional post-anal tail |
| 3. | ovoparity | 4. | homoiothermy |
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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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