Select the Taxon mentioned that represents both marine and fresh water species–
1. Echionoderms
2. Ctenophroa
3. Cephalocoradata
4.Cnidaria
1. Echionoderms
2. Ctenophroa
3. Cephalocoradata
4.Cnidaria
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Planaria possess high capacity of–
1. metamorphosis
2. regeneration
3. alternation of generation
4. bioluminescence
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Which of the following endoparasites of humans does show viviparity?
1. Enterobius vermicularis
2. Trichinella spiralis
3. Ascaris lumbricoides
4. Ancylostoma duodenale
The active form of Entamaeba-histolytica feeds upon –
1. Mucosa and submucosa of colon only
2. Food in intestine
3. Blood only
4. Erythrocytes; mucosa and submucosa of colon
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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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