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Q. No.Subtopic: Frogs: Morphology |
89%
Level 1: 80%+
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The biological adaptation that allows frogs to obtain water for their survival during conditions of water scarcity is the
| 1. | presence of a modified tongue that acts like a sponge to suck water from damp soils. |
| 2. | presence of water channels in the skin by which they absorb water from their surroundings. |
| 3. | presence of ciliated esophagus that helps in separating water from ingested particulate matter. |
| 4. | selective feeding on plants with a large amount of water that would fulfill the water requirement. |
Subtopic: Frogs | Frogs: Morphology |
86%
Level 1: 80%+
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Which of the following is incorrect statement about frog?
1. Body is divisible into head and trunk
2. The skin is moist without scales
3. A tympanum represents the ear
4. Fore limbs have four digits with webs and hind limbs have five digits without webs
Subtopic: Frogs: Morphology |
85%
Level 1: 80%+
Hints
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
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 |
91%
Level 1: 80%+
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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 |
94%
Level 1: 80%+
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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 |
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 |
80%
Level 1: 80%+
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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 |
Level 4: Below 35%
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Identify A, B and C respectively -
1. Trunk, Tympanum, Web
2. Neck, Brown eye spot, Web
3. Trunk, Tympanum, Hind limb
4. Neck, Tympanum, Hindlimb
1. Trunk, Tympanum, Web
2. Neck, Brown eye spot, Web
3. Trunk, Tympanum, Hind limb
4. Neck, Tympanum, Hindlimb
Subtopic: Frogs: Morphology |
53%
Level 3: 35%-60%
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The skin of frog:
1. Is smooth and slippery due to the presence of mucus
2. In the dorsal side is usually pale yellow
3. In the ventral side is usually olive green with dark irregular spots
4. Is related to all the above statements
1. Is smooth and slippery due to the presence of mucus
2. In the dorsal side is usually pale yellow
3. In the ventral side is usually olive green with dark irregular spots
4. Is related to all the above statements
Subtopic: Frogs: Morphology |
83%
Level 1: 80%+
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