332467
Statement A : Osteichthyes show presence of placoid scales Statement B : Mouth terminal and gills covered by operculum is seen in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Osteichthyes show presence of ctenoid scales
BIOXI04: ANIMAL KINGDOM
332468
Air bladder is present in
1 Rays
2 Starfish
3 Shark
4 Gold fish
Explanation:
Gold fish belongs to Actinopterygii and possesses air bladder or swim bladder which provides buoyancy to the body. Rays and sharks lack swim bladder. Starfish is an invertebrate.
BIOXI04: ANIMAL KINGDOM
332469
In which of the following animal the notochord is replaced by bony vertebral column in the adult?
1 Scoliodon
2 Branchiostoma
3 Hagfish
4 Clarias
Explanation:
Notochord is replaced by bony vertebral column in Osteichthyes like Clarias .
BIOXI04: ANIMAL KINGDOM
332470
Statement A : Coral reefs serve as stable marine ecosystems Statement B : Both marine and freshwater forms with bony endoskeleton are present in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Coral reefs provide shelter for a wide variety of marine life. They are a valuable source of organisms for potential medicines, they create sand for beaches, and serve as a buffer for shorelines. Coral reefs are built by millions. Both marine and freshwater forms with bony endoskeleton are present in Osteichthyes.
332467
Statement A : Osteichthyes show presence of placoid scales Statement B : Mouth terminal and gills covered by operculum is seen in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Osteichthyes show presence of ctenoid scales
BIOXI04: ANIMAL KINGDOM
332468
Air bladder is present in
1 Rays
2 Starfish
3 Shark
4 Gold fish
Explanation:
Gold fish belongs to Actinopterygii and possesses air bladder or swim bladder which provides buoyancy to the body. Rays and sharks lack swim bladder. Starfish is an invertebrate.
BIOXI04: ANIMAL KINGDOM
332469
In which of the following animal the notochord is replaced by bony vertebral column in the adult?
1 Scoliodon
2 Branchiostoma
3 Hagfish
4 Clarias
Explanation:
Notochord is replaced by bony vertebral column in Osteichthyes like Clarias .
BIOXI04: ANIMAL KINGDOM
332470
Statement A : Coral reefs serve as stable marine ecosystems Statement B : Both marine and freshwater forms with bony endoskeleton are present in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Coral reefs provide shelter for a wide variety of marine life. They are a valuable source of organisms for potential medicines, they create sand for beaches, and serve as a buffer for shorelines. Coral reefs are built by millions. Both marine and freshwater forms with bony endoskeleton are present in Osteichthyes.
332467
Statement A : Osteichthyes show presence of placoid scales Statement B : Mouth terminal and gills covered by operculum is seen in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Osteichthyes show presence of ctenoid scales
BIOXI04: ANIMAL KINGDOM
332468
Air bladder is present in
1 Rays
2 Starfish
3 Shark
4 Gold fish
Explanation:
Gold fish belongs to Actinopterygii and possesses air bladder or swim bladder which provides buoyancy to the body. Rays and sharks lack swim bladder. Starfish is an invertebrate.
BIOXI04: ANIMAL KINGDOM
332469
In which of the following animal the notochord is replaced by bony vertebral column in the adult?
1 Scoliodon
2 Branchiostoma
3 Hagfish
4 Clarias
Explanation:
Notochord is replaced by bony vertebral column in Osteichthyes like Clarias .
BIOXI04: ANIMAL KINGDOM
332470
Statement A : Coral reefs serve as stable marine ecosystems Statement B : Both marine and freshwater forms with bony endoskeleton are present in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Coral reefs provide shelter for a wide variety of marine life. They are a valuable source of organisms for potential medicines, they create sand for beaches, and serve as a buffer for shorelines. Coral reefs are built by millions. Both marine and freshwater forms with bony endoskeleton are present in Osteichthyes.
332467
Statement A : Osteichthyes show presence of placoid scales Statement B : Mouth terminal and gills covered by operculum is seen in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Osteichthyes show presence of ctenoid scales
BIOXI04: ANIMAL KINGDOM
332468
Air bladder is present in
1 Rays
2 Starfish
3 Shark
4 Gold fish
Explanation:
Gold fish belongs to Actinopterygii and possesses air bladder or swim bladder which provides buoyancy to the body. Rays and sharks lack swim bladder. Starfish is an invertebrate.
BIOXI04: ANIMAL KINGDOM
332469
In which of the following animal the notochord is replaced by bony vertebral column in the adult?
1 Scoliodon
2 Branchiostoma
3 Hagfish
4 Clarias
Explanation:
Notochord is replaced by bony vertebral column in Osteichthyes like Clarias .
BIOXI04: ANIMAL KINGDOM
332470
Statement A : Coral reefs serve as stable marine ecosystems Statement B : Both marine and freshwater forms with bony endoskeleton are present in osteichthyes
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
Coral reefs provide shelter for a wide variety of marine life. They are a valuable source of organisms for potential medicines, they create sand for beaches, and serve as a buffer for shorelines. Coral reefs are built by millions. Both marine and freshwater forms with bony endoskeleton are present in Osteichthyes.
