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Q. No.Neck is absent in frog. This helps in -
1.
Respiration
2.
Catching prey
3.
Jumping on ground
4.
Swimming in water
Subtopic: Frogs: Morphology |
Level 3: 35%-60%
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Which of the following is false about the frog?
1. Only I and VI
2. Only III
3. Only IV and V
4. None
| I. | Eyes are bulged out and covered by a nictitating membrane that protects them while in water |
| II. | On either side of the eyes a membranous tympanum (ear) receives sound signals |
| III. | The forelimbs and hind limbs help in swimming, walking, leaping and burrowing |
| IV. | The hind limbs end in five digits and they are larger and muscular than fore limbs that end in four digits |
| V. | Feet have webbed digits that help in swimming |
| VI. | Frogs exhibit sexual dimorphism |
1. Only I and VI
2. Only III
3. Only IV and V
4. None
Subtopic: Frogs: Morphology |
79%
Level 2: 60%+
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The glands present in the skin of frogs are -
| 1. | Sweat and mucous | 2. | Sweat and mammary |
| 3. | Sweat and sebaceous | 4. | Mucous and poisonous |
Subtopic: Frogs: Morphology |
Level 4: Below 35%
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One of the main function of frog's skin is-
1. Diffusion of respiratory gases
2. Absorption of ultraviolet rays to produce vitamin D
3. Storage of excess food in the form of subcutaneous fat
4. Excretion of nitrogenous waste in the form of uric acid
1. Diffusion of respiratory gases
2. Absorption of ultraviolet rays to produce vitamin D
3. Storage of excess food in the form of subcutaneous fat
4. Excretion of nitrogenous waste in the form of uric acid
Subtopic: Frogs: Anatomy (Respiratory System) |
89%
Level 1: 80%+
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The structure present in man but absent in frog is-
1. Pancreas
2. Salvinary gland
3. Thyroid gland
4. Adrenal gland
1. Pancreas
2. Salvinary gland
3. Thyroid gland
4. Adrenal gland
Subtopic: Frogs: Anatomy (Digestive System) |
68%
Level 2: 60%+
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In frog, digestion of fats occurs mostly in -
| 1. | Rectum | 2. | Stomach |
| 3. | Duodenum | 4. | Small intestine |
Subtopic: Frogs: Anatomy (Digestive System) |
60%
Level 2: 60%+
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In frog, undigested solid wastes pass out through -
1. Anus
2. Cloaca
3. Kidney
4. Genital pore
1. Anus
2. Cloaca
3. Kidney
4. Genital pore
Subtopic: Frogs: Anatomy (Digestive System) |
93%
Level 1: 80%+
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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 |
Subtopic: Frogs: Anatomy (Digestive System) |
57%
Level 3: 35%-60%
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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) |
91%
Level 1: 80%+
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Which one is correct about the respiration of frog?
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. |
2. I, II, III
3. III
4. None
Subtopic: Frogs: Anatomy (Respiratory System) |
89%
Level 1: 80%+
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