- 1(current)
Q. No.Which of the following statement is incorrect regarding a frog?
1. Digestive system without salivary gland
2. Respiratory system without intercostal muscles
3. Circulatory system without SA node.
4. Reproductive system without copulatory organs.
Subtopic: Â Frogs: Anatomy (Circulatory System) |
From NCERT
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Unlike RBCs in humans, the RBCs of frog:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | are nucleated |
| II: | contain haemoglobin |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Frogs: Anatomy (Circulatory System) |
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: Â Frogs: Anatomy (Circulatory System) |
 56%
From NCERT
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Sinus venosus in the heart of a frog:
| I: | joins the left atrium |
| II: | pumps blood into the major arteries |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Frogs: Anatomy (Circulatory System) |
 54%
From NCERT
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- 1(current)
Q. No.
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