Q. No.Which one of the following statements about all the four - Spongilla, Leech, Dolphin, Penguin - is correct?
1.
Leech is a freshwater form while all others are marine.
2.
Spongilla has special collar cells called choanocytes, not found in the remaining three.
3.
All are bilaterally symmetrical.
4.
Penguin is homeothermic while the remaining three are poikilothermic.
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Excretory pore of Ascaris is present –
1. Behind the mouth
2. On the posterior end
3. On the dorsal side
4. In the middle of the body
Which of the following match is correct?
| 1. | Cockroach | – Crustacea |
| 2. | Pila | – Pelecypoda |
| 3. | Spider | – Arachnida |
| 4. | Unio | – Gastropoda |
Infection of Ascaris usually occurs by
1. Eating imperfectly cooked pork.
2. Tse - tse fly.
3. Mosquito bite.
4. Drinking water containing eggs of Ascaris
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Which group of animals belong to the same phylum?
1. Earthworm, Pinworm, Tapeworm
2. Prawn, Scorpion, Locusta
3. Sponge, Sea anemone, Starfish
4. Malarial parasite, Amoeba, Mosquito
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Select the Taxon mentioned that represents both marine and fresh water species–
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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