Class Chondrichthyes
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BIOXI04: ANIMAL KINGDOM

332370 Statement A :
A shark can stay at a desired level in water without swimming
Statement B :
It has buoyancy regulating organ, the swim bladder

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.
BIOXI04: ANIMAL KINGDOM

332371 In chondrichthyes, claspers are seen on

1 Pelvic fins of female
2 Pelvic fins of male
3 Around jaws
4 Operculum of both sexes
BIOXI04: ANIMAL KINGDOM

332372 Assertion :
A chondrichthyes needs to swim continuously .
Reason :
It has a buoyancy-regulating organ called as the swim bladder.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI04: ANIMAL KINGDOM

332373 Chondrichthyes is characterised by tooth shaped

1 Placoid scale with bony endoskeleton
2 Ctenoid scale with bony endoskeleton
3 Ctenoid scale with cartilaginous endoskeleton
4 Placoid scale with cartilaginous endoskeleton
BIOXI04: ANIMAL KINGDOM

332374 Which of the following is characteristic of the chondrichthyes?

1 They do not have scales.
2 They are cold-blooded
3 Skeleton is composed mostly of bone.
4 None of the above : Sharks don't have scales.
NEET DIGITAL LIBRARY
BIOXI04: ANIMAL KINGDOM

332370 Statement A :
A shark can stay at a desired level in water without swimming
Statement B :
It has buoyancy regulating organ, the swim bladder

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.
BIOXI04: ANIMAL KINGDOM

332371 In chondrichthyes, claspers are seen on

1 Pelvic fins of female
2 Pelvic fins of male
3 Around jaws
4 Operculum of both sexes
BIOXI04: ANIMAL KINGDOM

332372 Assertion :
A chondrichthyes needs to swim continuously .
Reason :
It has a buoyancy-regulating organ called as the swim bladder.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI04: ANIMAL KINGDOM

332373 Chondrichthyes is characterised by tooth shaped

1 Placoid scale with bony endoskeleton
2 Ctenoid scale with bony endoskeleton
3 Ctenoid scale with cartilaginous endoskeleton
4 Placoid scale with cartilaginous endoskeleton
BIOXI04: ANIMAL KINGDOM

332374 Which of the following is characteristic of the chondrichthyes?

1 They do not have scales.
2 They are cold-blooded
3 Skeleton is composed mostly of bone.
4 None of the above : Sharks don't have scales.
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BIOXI04: ANIMAL KINGDOM

332370 Statement A :
A shark can stay at a desired level in water without swimming
Statement B :
It has buoyancy regulating organ, the swim bladder

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.
BIOXI04: ANIMAL KINGDOM

332371 In chondrichthyes, claspers are seen on

1 Pelvic fins of female
2 Pelvic fins of male
3 Around jaws
4 Operculum of both sexes
BIOXI04: ANIMAL KINGDOM

332372 Assertion :
A chondrichthyes needs to swim continuously .
Reason :
It has a buoyancy-regulating organ called as the swim bladder.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI04: ANIMAL KINGDOM

332373 Chondrichthyes is characterised by tooth shaped

1 Placoid scale with bony endoskeleton
2 Ctenoid scale with bony endoskeleton
3 Ctenoid scale with cartilaginous endoskeleton
4 Placoid scale with cartilaginous endoskeleton
BIOXI04: ANIMAL KINGDOM

332374 Which of the following is characteristic of the chondrichthyes?

1 They do not have scales.
2 They are cold-blooded
3 Skeleton is composed mostly of bone.
4 None of the above : Sharks don't have scales.
For More Updates join with Us
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BIOXI04: ANIMAL KINGDOM

332370 Statement A :
A shark can stay at a desired level in water without swimming
Statement B :
It has buoyancy regulating organ, the swim bladder

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.
BIOXI04: ANIMAL KINGDOM

332371 In chondrichthyes, claspers are seen on

1 Pelvic fins of female
2 Pelvic fins of male
3 Around jaws
4 Operculum of both sexes
BIOXI04: ANIMAL KINGDOM

332372 Assertion :
A chondrichthyes needs to swim continuously .
Reason :
It has a buoyancy-regulating organ called as the swim bladder.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI04: ANIMAL KINGDOM

332373 Chondrichthyes is characterised by tooth shaped

1 Placoid scale with bony endoskeleton
2 Ctenoid scale with bony endoskeleton
3 Ctenoid scale with cartilaginous endoskeleton
4 Placoid scale with cartilaginous endoskeleton
BIOXI04: ANIMAL KINGDOM

332374 Which of the following is characteristic of the chondrichthyes?

1 They do not have scales.
2 They are cold-blooded
3 Skeleton is composed mostly of bone.
4 None of the above : Sharks don't have scales.
NEET DIGITAL LIBRARY
BIOXI04: ANIMAL KINGDOM

332370 Statement A :
A shark can stay at a desired level in water without swimming
Statement B :
It has buoyancy regulating organ, the swim bladder

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.
BIOXI04: ANIMAL KINGDOM

332371 In chondrichthyes, claspers are seen on

1 Pelvic fins of female
2 Pelvic fins of male
3 Around jaws
4 Operculum of both sexes
BIOXI04: ANIMAL KINGDOM

332372 Assertion :
A chondrichthyes needs to swim continuously .
Reason :
It has a buoyancy-regulating organ called as the swim bladder.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
BIOXI04: ANIMAL KINGDOM

332373 Chondrichthyes is characterised by tooth shaped

1 Placoid scale with bony endoskeleton
2 Ctenoid scale with bony endoskeleton
3 Ctenoid scale with cartilaginous endoskeleton
4 Placoid scale with cartilaginous endoskeleton
BIOXI04: ANIMAL KINGDOM

332374 Which of the following is characteristic of the chondrichthyes?

1 They do not have scales.
2 They are cold-blooded
3 Skeleton is composed mostly of bone.
4 None of the above : Sharks don't have scales.