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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 |
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Which of the following is false about the frog?
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
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%
From NCERT
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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
1. Sweat and mucous
2. Sweat and mammary
3. Sweat and sebaceous
4. Mucous and poisonous
Subtopic: Frogs: Morphology |
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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) |
88%
From NCERT
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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%
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In frog, digestion of fats occurs mostly in -
1. Rectum
2. Stomach
3. Duodenum
4. Small intestine
1. Rectum
2. Stomach
3. Duodenum
4. Small intestine
Subtopic: Frogs: Anatomy (Digestive System) |
57%
From NCERT
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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%
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) |
59%
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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%
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) |
87%
From NCERT
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