332489
Out of the following set of characters, how many are found in bony fish? Bladder, claspers, cloaca, operculum, ctenoid scales, placoid scales, homocercal tail fin
1 Two
2 Four
3 Five
4 Three
Explanation:
Bony fishes have swim bladder, operculum, homocercal tail fin and ctenoid scales.
BIOXI04: ANIMAL KINGDOM
332490
Bony fishes have
1 External fertilisation
2 Are mostly oviparous
3 Show direct development
4 All of the above
Explanation:
All mentioned features are characteristics of bony fishes.
BIOXI04: ANIMAL KINGDOM
332491
Which of the following characters are associated with bony fishes? i. Presence of placoid scales ii. In males claspers are present for copulation iii. Four pairs of gills covered by operculum iv. Cycloid and ctenoid scales
1 i and ii
2 i, ii, iii and iv
3 iii and iv
4 ii and iii
Explanation:
Presence of placoid scales and claspers in males for copulation are characters of chondrichthyes (cartilaginous fishes).
BIOXI04: ANIMAL KINGDOM
332492
Bony fishes can stay at a particular depth in water beating their pectoral and pelvic fins due to the presence of
1 Pneumatic bones
2 Ctenoid scales
3 Air bladder
4 Streamlined body
Explanation:
In Osteichthyes, body is streamlined so that fishes can stay at a particular depth. Air bladder is present which regulates buoyancy.
332489
Out of the following set of characters, how many are found in bony fish? Bladder, claspers, cloaca, operculum, ctenoid scales, placoid scales, homocercal tail fin
1 Two
2 Four
3 Five
4 Three
Explanation:
Bony fishes have swim bladder, operculum, homocercal tail fin and ctenoid scales.
BIOXI04: ANIMAL KINGDOM
332490
Bony fishes have
1 External fertilisation
2 Are mostly oviparous
3 Show direct development
4 All of the above
Explanation:
All mentioned features are characteristics of bony fishes.
BIOXI04: ANIMAL KINGDOM
332491
Which of the following characters are associated with bony fishes? i. Presence of placoid scales ii. In males claspers are present for copulation iii. Four pairs of gills covered by operculum iv. Cycloid and ctenoid scales
1 i and ii
2 i, ii, iii and iv
3 iii and iv
4 ii and iii
Explanation:
Presence of placoid scales and claspers in males for copulation are characters of chondrichthyes (cartilaginous fishes).
BIOXI04: ANIMAL KINGDOM
332492
Bony fishes can stay at a particular depth in water beating their pectoral and pelvic fins due to the presence of
1 Pneumatic bones
2 Ctenoid scales
3 Air bladder
4 Streamlined body
Explanation:
In Osteichthyes, body is streamlined so that fishes can stay at a particular depth. Air bladder is present which regulates buoyancy.
332489
Out of the following set of characters, how many are found in bony fish? Bladder, claspers, cloaca, operculum, ctenoid scales, placoid scales, homocercal tail fin
1 Two
2 Four
3 Five
4 Three
Explanation:
Bony fishes have swim bladder, operculum, homocercal tail fin and ctenoid scales.
BIOXI04: ANIMAL KINGDOM
332490
Bony fishes have
1 External fertilisation
2 Are mostly oviparous
3 Show direct development
4 All of the above
Explanation:
All mentioned features are characteristics of bony fishes.
BIOXI04: ANIMAL KINGDOM
332491
Which of the following characters are associated with bony fishes? i. Presence of placoid scales ii. In males claspers are present for copulation iii. Four pairs of gills covered by operculum iv. Cycloid and ctenoid scales
1 i and ii
2 i, ii, iii and iv
3 iii and iv
4 ii and iii
Explanation:
Presence of placoid scales and claspers in males for copulation are characters of chondrichthyes (cartilaginous fishes).
BIOXI04: ANIMAL KINGDOM
332492
Bony fishes can stay at a particular depth in water beating their pectoral and pelvic fins due to the presence of
1 Pneumatic bones
2 Ctenoid scales
3 Air bladder
4 Streamlined body
Explanation:
In Osteichthyes, body is streamlined so that fishes can stay at a particular depth. Air bladder is present which regulates buoyancy.
332489
Out of the following set of characters, how many are found in bony fish? Bladder, claspers, cloaca, operculum, ctenoid scales, placoid scales, homocercal tail fin
1 Two
2 Four
3 Five
4 Three
Explanation:
Bony fishes have swim bladder, operculum, homocercal tail fin and ctenoid scales.
BIOXI04: ANIMAL KINGDOM
332490
Bony fishes have
1 External fertilisation
2 Are mostly oviparous
3 Show direct development
4 All of the above
Explanation:
All mentioned features are characteristics of bony fishes.
BIOXI04: ANIMAL KINGDOM
332491
Which of the following characters are associated with bony fishes? i. Presence of placoid scales ii. In males claspers are present for copulation iii. Four pairs of gills covered by operculum iv. Cycloid and ctenoid scales
1 i and ii
2 i, ii, iii and iv
3 iii and iv
4 ii and iii
Explanation:
Presence of placoid scales and claspers in males for copulation are characters of chondrichthyes (cartilaginous fishes).
BIOXI04: ANIMAL KINGDOM
332492
Bony fishes can stay at a particular depth in water beating their pectoral and pelvic fins due to the presence of
1 Pneumatic bones
2 Ctenoid scales
3 Air bladder
4 Streamlined body
Explanation:
In Osteichthyes, body is streamlined so that fishes can stay at a particular depth. Air bladder is present which regulates buoyancy.