BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
- Cnidaria
- Porifera
- Molluscs
- Aschelminthes
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Explanation
Porifera is the phylum of sponges, which are multicellular organisms characterized by their porous bodies.
Spongilla is a genus of freshwater sponges, and like all sponges, it belongs to the phylum Porifera.
These organisms are filter feeders, drawing in water through their pores to extract nutrients.
- Enterobius vermicularis
- Taenia solium
- Ascaris lumbricoides
- Trichinella spiralis
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Explanation
Enterobius vermicularis, also called pinworm
These small, white, thread-like worms are one of the most common parasitic infections in humans, particularly affecting children.
They typically reside in the colon and rectum of humans and can cause itching around the anus, especially at night.
- rearing the young onces
- feeding the young onces
- both A and B
- none of these
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Explanation
A marsupium, or pouch, is a specialized structure in marsupials (like kangaroos, koalas, and opossums)
where the young are carried and continue to develop after birth.
Rearing the young ones:
The pouch provides protection and warmth, ensuring the young can continue their development after birth.
Feeding the young ones:
The young have access to the mother's milk while in the pouch.
- Dugesia
- Liver fluke
- Ancylostoma
- Tape worm
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Explanation
Ancylostoma:
A genus of hookworms, which are parasitic nematodes (roundworms)
They belong to the phylum Nematoda, not Platyhelminthes.
- dogs
- pigs
- sheep
- chicken
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Explanation
Fasciola hepatica, commonly known as the liver fluke
It is a parasitic flatworm that primarily infects the liver of various mammals.
The primary hosts for this parasite are:
Sheep:
- This is one of the most common hosts for Fasciola hepatica.
- The parasite causes significant health problems in sheep, including liver damage and reduced productivity.
Cattle are also common hosts for Fasciola hepatica.
- Cassia Alata
- Cassia Senna
- Cassia Obovate
- None of these
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Explanation
The plant used to cure ringworm and skin diseases is Cassia alata.
It is also known as the candle bush or candlestick senna
It has antifungal properties
It is used in herbal medicine to treat fungal infections
- Funana
- Plerotus
- Omphalotus
- None of these
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Explanation
The organism that glows in the dark among the options provided is Omphalotus.
Omphalotus species, such as Omphalotus olearius (the jack-o'-lantern mushroom)
- They are known for their bioluminescence.
- The gills of these mushrooms can emit a greenish light in the dark.
*
Funana:
- This appears to be a misspelling
- does not correspond to any known bioluminescent organism.
Pleurotus:
- This is a genus of mushrooms that includes species like the oyster mushroom.
- While Pleurotus mushrooms are popular and edible,
- they are not known for bioluminescence.
- pilobolus
- ppunccinia
- yeast
- none of these
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Explanation
Yeast:
- Specifically, Saccharomyces cerevisiae is a type of yeast commonly used in baking bread.
- It ferments the sugars in the dough, producing carbon dioxide gas that makes the bread rise.
Pilobolus:
- This is a genus of fungi known for its ability to grow on herbivore dung.
- It is not typically associated with bread.
Puccinia:
- This is a genus of fungi known as rusts, which are plant pathogens.
- They are not associated with bread.
- pyrrophyta
- phaeophyta
- cholophyta
- chrysophyta
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Explanation
Gonyaulax is a representative group of unicellular organisms, the Pyrrophyta (sometimes called Dinophyta).
- This is a group of mostly marine plankton, and Gonyaulax is a well-known genus within this group.
- Dinoflagellates are known for their two flagella and can be bioluminescent.
- Some species can cause harmful algal blooms, commonly known as red tides.
Phaeophyta (Brown Algae):
- These are large, mostly marine algae, such as kelp and seaweeds.
- They are not related to Gonyaulax.
Chlorophyta (Green Algae):
- These algae are mainly freshwater organisms, and some live in marine environments.
- They are not related to Gonyaulax.
Chrysophyta (Golden Algae):
- These are mostly freshwater algae
- And they are distinct from Gonyaulax.
- amoebae
- plasmodium
- polytrichum
- all of these
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Explanation
Amoebae:
- Use temporary pseudopodia foot-like extensions of the cell membrane, for movement and capturing food.
- 'Psuedopodia' means 'false feet'.
- Amoeba is an irregularly shaped unicellular organism.
- It is usually present in water bodies
Plasmodium:
- This is a genus of parasitic protozoa known for causing malaria.
- They do not use pseudopodia for movement.
- Instead, they have a complex life cycle involving different forms such as sporozoites and merozoites, which move through gliding motility.
Polytrichum:
- This is a genus of mosses.
- Mosses do not use pseudopodia; they are non-vascular plants
- And use structures like rhizoids for anchorage, and they disperse spores for reproduction.