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Q. No.Unlike humans, frogs have a:
I: Hepatic portal system
II: Renal portal system
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: Hepatic portal system
II: Renal portal system
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: Frogs: Anatomy (Digestive System) | Frogs: Anatomy (Excretory System) |
From NCERT
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Subtopic: Frogs: Anatomy (Excretory System) |
81%
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The excretory system of frog consists of all the following except:
| 1. | a pair of kidneys | 2. | a pair of urethra |
| 3. | a single median cloaca | 4. | urinary bladder |
Subtopic: Frogs: Anatomy (Excretory System) |
78%
From NCERT
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How many of the given statements regarding the anatomy of frogs are correct?
| A: | Kidneys are situated a little posteriorly in the body cavity on both sides of the vertebral column. |
| B: | Each kidney is composed of several structural and functional units called uriniferous tubules or nephrons. |
| C: | Two ureters emerge from the kidneys in male frogs, where the ureters act as urinogenital ducts that open into the cloaca. |
| D: | In females, the ureters and oviduct open separately in the cloaca. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Frogs: Anatomy (Excretory System) |
80%
From NCERT
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The thin-walled urinary bladder in frog is present:
1. ventral to the rectum which does not open in the cloaca.
2. ventral to the rectum which also opens in the cloaca.
3. dorsal to the rectum which does not open in the cloaca.
4. dorsal to the rectum which also opens in the cloaca.
1. ventral to the rectum which does not open in the cloaca.
2. ventral to the rectum which also opens in the cloaca.
3. dorsal to the rectum which does not open in the cloaca.
4. dorsal to the rectum which also opens in the cloaca.
Subtopic: Frogs: Anatomy (Excretory System) |
85%
From NCERT
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The cloaca in a frog is a small, median chamber that is used to pass:
1. only faecal matter to the exterior.
2. only faecal matter and urine but not sperms to the exterior.
3. faecal matter, urine and sperms to the exterior.
4. faecal matter and sperms but not urine to the exterior.
Subtopic: Frogs: Anatomy (Excretory System) |
96%
From NCERT
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