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Q. No.In frog, undigested solid wastes pass out through -
1. Anus
2. Cloaca
3. Kidney
4. Genital pore
Subtopic: Frogs: Anatomy (Digestive System) |
93%
From NCERT
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In frog, which of the following opens into the duodenum?
1. Pancreatic duct
2. Bile duct
3. Hepatic duct
4. Hepato-pancreatic duct
1. Pancreatic duct
2. Bile duct
3. Hepatic duct
4. Hepato-pancreatic duct
Subtopic: Frogs: Anatomy (Digestive System) |
57%
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Which of the following is false about the respiration of frog?
1. Frogs respire on land and in water by the same method
2. In water, skin acts as aquatic respiratory organ (Cutaneous respiration)
3. Dissolved oxygen in water is exchanged through the skin by diffusion
4. On land, the buccal cavity, skin and lungs act as respiratory organs
1. Frogs respire on land and in water by the same method
2. In water, skin acts as aquatic respiratory organ (Cutaneous respiration)
3. Dissolved oxygen in water is exchanged through the skin by diffusion
4. On land, the buccal cavity, skin and lungs act as respiratory organs
Subtopic: Frogs: Anatomy (Respiratory System) |
90%
From NCERT
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Which one is correct about the respiration of frog?
I. In frog, cutaneous and pulmonary respiration are found
II. A pair of elongated pink hollow lungs are found in thorax
III. Atmospheric O2 → Nostril → Buccal cavity → Lungs
IV. During aestivation and hibernation, gaseous exchange take place through skin.
1. All
2. I, II, III
3. III
4. None
I. In frog, cutaneous and pulmonary respiration are found
II. A pair of elongated pink hollow lungs are found in thorax
III. Atmospheric O2 → Nostril → Buccal cavity → Lungs
IV. During aestivation and hibernation, gaseous exchange take place through skin.
1. All
2. I, II, III
3. III
4. None
Subtopic: Frogs: Anatomy (Respiratory System) |
88%
From NCERT
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In frog, cutaneous respiratory occurs-
1. Always
2. Only on land
3. Only in water
4. Only during aestivation or hibernation
1. Always
2. Only on land
3. Only in water
4. Only during aestivation or hibernation
Subtopic: Frogs: Anatomy (Respiratory System) |
62%
From NCERT
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RBC of frog is -
1. Oval and nucleate
2. Circular and nucleate
3. Oval and enucleate
4. Biconcave and enucleate
1. Oval and nucleate
2. Circular and nucleate
3. Oval and enucleate
4. Biconcave and enucleate
Subtopic: Frogs: Anatomy (Circulatory System) |
63%
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In frog, ventricle opens into __________ on the __________ side of heart -
1. Sinus venosus, dorsal
2. Sinus venosus, ventral
3. Conus arteriosus, ventral
4. Conus arteriosus, dorsal
1. Sinus venosus, dorsal
2. Sinus venosus, ventral
3. Conus arteriosus, ventral
4. Conus arteriosus, dorsal
Subtopic: Frogs: Anatomy (Circulatory System) |
67%
From NCERT
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In frog, a triangular structure called ________ joins the right ________ -
1. Conus arteriosus, ventricle
2. Conus arteriosus, auricle
3. Sinus venosus, auricle
4. Sinus venosus, ventricle
1. Conus arteriosus, ventricle
2. Conus arteriosus, auricle
3. Sinus venosus, auricle
4. Sinus venosus, ventricle
Subtopic: Frogs: Anatomy (Circulatory System) |
78%
From NCERT
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Which of the following special venous system is present in frog?
1. Hepatic portal system
2. Renal portal system
3. Both (1) and (2)
4. Neither hepatic nor renal portal system is present
1. Hepatic portal system
2. Renal portal system
3. Both (1) and (2)
4. Neither hepatic nor renal portal system is present
Subtopic: Frogs: Anatomy (Circulatory System) |
89%
From NCERT
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Which of the following is incorrect about the portal venous system?
1. Hepatic portal vein exists between liver and intestine
2. Hepatic vein exists between both the lobes of liver
3. Renal portal occurs between the kidney and lower parts of body
4. All
1. Hepatic portal vein exists between liver and intestine
2. Hepatic vein exists between both the lobes of liver
3. Renal portal occurs between the kidney and lower parts of body
4. All
Subtopic: Frogs: Anatomy (Circulatory System) |
60%
From NCERT
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