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Q. No.Which anatomical feature in Rana tigrina distinguishes the hind limbs from the forelimbs in terms of digit count and musculature?
1.
Hind limbs end in four digits, forelimbs in five digits
2.
Hind limbs end in five digits, forelimbs in four digits
3.
Hind limbs are smaller and less muscular than forelimbs
4.
Forelimbs end in five digits, hind limbs in four digits
Subtopic: Frogs |
84%
From NCERT
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Feature, specifically present in male frogs that aids in their vocal communication and reproductive activities, is:
1. Nictitating membrane
2. Webbed digits
3. Tympanum
4. Vocal sacs and copulatory pad
1. Nictitating membrane
2. Webbed digits
3. Tympanum
4. Vocal sacs and copulatory pad
Subtopic: Frogs: Anatomy (Male Reproductive System) |
94%
From NCERT
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Frogs exhibit a special venous connection between the liver and intestine as well as the kidney and lower parts of the body. What is the system connecting the liver and intestine called?
1. Renal portal system
2. Arterial system
3. Hepatic portal system
4. Lymphatic system
1. Renal portal system
2. Arterial system
3. Hepatic portal system
4. Lymphatic system
Subtopic: Frogs: Anatomy (Circulatory System) |
87%
From NCERT
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Which of the following sequences correctly represents the path of food through the alimentary canal starting from the mouth in Rana tigrina?
| 1. | Mouth → Pharynx → Oesophagus → Stomach → Intestine → Rectum → Cloaca |
| 2. | Mouth → Oesophagus → Pharynx → Stomach → Intestine → Cloaca → Rectum |
| 3. | Mouth → Pharynx → Oesophagus → Intestine → Stomach → Rectum → Cloaca |
| 4. | Mouth → Stomach → Oesophagus → Pharynx → Intestine → Rectum → Cloaca |
Subtopic: Frogs: Anatomy (Digestive System) |
84%
From NCERT
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In male frogs, the ureters act as urinogenital ducts. Where do these ducts open into?
1. Gall bladder
2. Cloaca
3. Small intestine
4. Exterior
1. Gall bladder
2. Cloaca
3. Small intestine
4. Exterior
Subtopic: Frogs: Anatomy (Excretory System) |
93%
From NCERT
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The alimentary canal of frogs is short because they are carnivores and hence the length of the intestine is reduced. |
| II: | The liver secretes bile which is stored in the pancreas. |
| III: | Food is captured by the bilobed tongue in frogs. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs: Anatomy (Digestive System) |
69%
From NCERT
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Which of the following respiratory methods is used by frogs when they are in water?
1. Pulmonary respiration
2. Tracheal respiration
3. Branchial respiration
4. Cutaneous respiration
1. Pulmonary respiration
2. Tracheal respiration
3. Branchial respiration
4. Cutaneous respiration
Subtopic: Frogs: Anatomy (Respiratory System) |
83%
From NCERT
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The heart of a frog has three chambers, two atria and one ventricle. |
| II: | The blood from the heart is carried to all parts of the body by the veins (venous system). |
| III: | The lymphatic system in frogs consists of lymph, lymph channels, and lymph nodes. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs: Anatomy (Circulatory System) |
54%
From NCERT
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Consider the given statements:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The control and coordination system in frogs includes both neural system and endocrine glands. |
| II: | The prominent endocrine glands in frogs include pituitary, thyroid, thymus, pineal body, pancreatic islets, adrenals and gonads. |
| III: | The brain is divided into fore-brain, mid-brain, and hind-brain. |
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Frogs: Anatomy (Nervous System) |
83%
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What is the name of the double fold of peritoneum in frogs that adheres the testes to the upper part of the kidneys?
1. Mesovarium
2. Mesentery
3. Mesorchium
4. Mesonephros
1. Mesovarium
2. Mesentery
3. Mesorchium
4. Mesonephros
Subtopic: Frogs: Anatomy (Excretory System) |
85%
From NCERT
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