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Q. No.Frogs belonging to class ___________ of phylum chordata are ___________ animals and show hibernation in ___________ and aestivation in ___________ .
1. Hemichordata, poikilothermic, winter, summer
2. Amphibia, poikilothermic, summer, rainy season
3. Amphibia, poikilothermic, winter, summer
4. Amphibia, warmblooded, winter, summer
Subtopic: Frogs | Frogs: Morphology |
90%
From NCERT
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The frogs have the ability to change to hide them from enemies (camouflage). This protective coloration is called -
1. Mimicry
2. Antagonism
3. Burrowing
4. Symbiosis
1. Mimicry
2. Antagonism
3. Burrowing
4. Symbiosis
Subtopic: Frogs |
96%
From NCERT
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The body of frog is divisible into -
1. Head and trunk
2. Head, neck, trunk and tail
3. Head, neck, thorax, abdomen and tail
4. Head, trunk and tail
1. Head and trunk
2. Head, neck, trunk and tail
3. Head, neck, thorax, abdomen and tail
4. Head, trunk and tail
Subtopic: Frogs: Morphology |
93%
From NCERT
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Neck is absent in frog. This helps in -
1. Respiration
2. Catching prey
3. Jumping on ground
4. Swimming in water
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) |
89%
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) |
67%
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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) |
59%
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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