286897
In a frog, if a hole is punched in the floor of its buccal cavity, then the frog will not die as
1 buccal respiration does not stop
2 respiration other than lungs will continue
3 it can store oxygen for future use
4 pulmonary respiratory occurs
Explanation:
(d) In addition to buccopharyngeal respiration, frog also respires through lungs (pulmonary respiration). So, if a hole is punched in the floor of its buccal cavity, then the frog will not die.
Structural Organization in Animals(NCERT)
286898
Identify the incorrect statement about frog.
1 Parathyroid and pineal body are present.
2 Optic lobes are situated in the midbrain.
3 There are ten cranial nerves only.
4 The ventricle opens into the conus arteriousus.
Explanation:
(c) There are 10 pairs of cranial nerves that arise from the brain.
NCERT Page-119/N-83
Structural Organization in Animals(NCERT)
286899
In frog mesorchium is a thin fold of membrane extending between
1 two testes
2 two kidneys
3 kidneys and testes
4 liver and kidneys
Explanation:
(b) In frog, there is present a cylindrical testis near each kidney, being suspended by mesorchium. There arise several thin vasa efferentia from each testis that emerges through mesorchium and join the uriniferous tubules of the posterior part of the kidney to open into the Bidder's canal which in turn open into the ureter.
NCERT Page-119 / N-83
Structural Organization in Animals(NCERT)
286900
Frog's heart is
1 neurogenic and 4 chambered
2 myogenic and 2 chambered
3 neurogenic and 3 chambered
4 myogenic and 3 chambered
Explanation:
(d) Frog's heart is myogenic and 3 chambered (2 auricles and single ventricle).
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Structural Organization in Animals(NCERT)
286897
In a frog, if a hole is punched in the floor of its buccal cavity, then the frog will not die as
1 buccal respiration does not stop
2 respiration other than lungs will continue
3 it can store oxygen for future use
4 pulmonary respiratory occurs
Explanation:
(d) In addition to buccopharyngeal respiration, frog also respires through lungs (pulmonary respiration). So, if a hole is punched in the floor of its buccal cavity, then the frog will not die.
Structural Organization in Animals(NCERT)
286898
Identify the incorrect statement about frog.
1 Parathyroid and pineal body are present.
2 Optic lobes are situated in the midbrain.
3 There are ten cranial nerves only.
4 The ventricle opens into the conus arteriousus.
Explanation:
(c) There are 10 pairs of cranial nerves that arise from the brain.
NCERT Page-119/N-83
Structural Organization in Animals(NCERT)
286899
In frog mesorchium is a thin fold of membrane extending between
1 two testes
2 two kidneys
3 kidneys and testes
4 liver and kidneys
Explanation:
(b) In frog, there is present a cylindrical testis near each kidney, being suspended by mesorchium. There arise several thin vasa efferentia from each testis that emerges through mesorchium and join the uriniferous tubules of the posterior part of the kidney to open into the Bidder's canal which in turn open into the ureter.
NCERT Page-119 / N-83
Structural Organization in Animals(NCERT)
286900
Frog's heart is
1 neurogenic and 4 chambered
2 myogenic and 2 chambered
3 neurogenic and 3 chambered
4 myogenic and 3 chambered
Explanation:
(d) Frog's heart is myogenic and 3 chambered (2 auricles and single ventricle).
286897
In a frog, if a hole is punched in the floor of its buccal cavity, then the frog will not die as
1 buccal respiration does not stop
2 respiration other than lungs will continue
3 it can store oxygen for future use
4 pulmonary respiratory occurs
Explanation:
(d) In addition to buccopharyngeal respiration, frog also respires through lungs (pulmonary respiration). So, if a hole is punched in the floor of its buccal cavity, then the frog will not die.
Structural Organization in Animals(NCERT)
286898
Identify the incorrect statement about frog.
1 Parathyroid and pineal body are present.
2 Optic lobes are situated in the midbrain.
3 There are ten cranial nerves only.
4 The ventricle opens into the conus arteriousus.
Explanation:
(c) There are 10 pairs of cranial nerves that arise from the brain.
NCERT Page-119/N-83
Structural Organization in Animals(NCERT)
286899
In frog mesorchium is a thin fold of membrane extending between
1 two testes
2 two kidneys
3 kidneys and testes
4 liver and kidneys
Explanation:
(b) In frog, there is present a cylindrical testis near each kidney, being suspended by mesorchium. There arise several thin vasa efferentia from each testis that emerges through mesorchium and join the uriniferous tubules of the posterior part of the kidney to open into the Bidder's canal which in turn open into the ureter.
NCERT Page-119 / N-83
Structural Organization in Animals(NCERT)
286900
Frog's heart is
1 neurogenic and 4 chambered
2 myogenic and 2 chambered
3 neurogenic and 3 chambered
4 myogenic and 3 chambered
Explanation:
(d) Frog's heart is myogenic and 3 chambered (2 auricles and single ventricle).
286897
In a frog, if a hole is punched in the floor of its buccal cavity, then the frog will not die as
1 buccal respiration does not stop
2 respiration other than lungs will continue
3 it can store oxygen for future use
4 pulmonary respiratory occurs
Explanation:
(d) In addition to buccopharyngeal respiration, frog also respires through lungs (pulmonary respiration). So, if a hole is punched in the floor of its buccal cavity, then the frog will not die.
Structural Organization in Animals(NCERT)
286898
Identify the incorrect statement about frog.
1 Parathyroid and pineal body are present.
2 Optic lobes are situated in the midbrain.
3 There are ten cranial nerves only.
4 The ventricle opens into the conus arteriousus.
Explanation:
(c) There are 10 pairs of cranial nerves that arise from the brain.
NCERT Page-119/N-83
Structural Organization in Animals(NCERT)
286899
In frog mesorchium is a thin fold of membrane extending between
1 two testes
2 two kidneys
3 kidneys and testes
4 liver and kidneys
Explanation:
(b) In frog, there is present a cylindrical testis near each kidney, being suspended by mesorchium. There arise several thin vasa efferentia from each testis that emerges through mesorchium and join the uriniferous tubules of the posterior part of the kidney to open into the Bidder's canal which in turn open into the ureter.
NCERT Page-119 / N-83
Structural Organization in Animals(NCERT)
286900
Frog's heart is
1 neurogenic and 4 chambered
2 myogenic and 2 chambered
3 neurogenic and 3 chambered
4 myogenic and 3 chambered
Explanation:
(d) Frog's heart is myogenic and 3 chambered (2 auricles and single ventricle).