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Q. No.Mesorchium in frogs:
1.
is a double fold of peritoneum that adheres testes to kidney.
2.
is a double fold of peritoneum that adheres ovaries to kidney.
3.
is the outer cortical part of testes.
4.
is the outer cortical part of ovaries.
Subtopic: Frogs: Anatomy (Male Reproductive System) |
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Consider the two statements:
| Statement I: | In male frogs, the testes are found adhered to the upper part of the kidneys and have a functional connection with the kidneys. |
| Statement II: | In female frogs, the ovaries are situated near the kidneys and there is no functional connection with the kidneys. |
| 1. | Statement I is correct, Statement II is correct |
| 2. | Statement I is incorrect, Statement II is correct |
| 3. | Statement I is correct, Statement II is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
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A pair of oviducts arising from the ovaries in female frogs:
| 1. | join to form a single median duct that opens into the cloaca. |
| 2. | opens into the cloaca separately. |
| 3. | opens separately to the exterior through the skin. |
| 4. | join to form a single median duct that opens into Bidder’s canal. |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
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In frog:
| 1. | Fertilisation is external, takes place in water while development involves a larval stage called tadpole that undergoes metamorphosis to form the adult. |
| 2. | Fertilisation is internal, takes place inside the female body while development involves a larval stage called tadpole that undergoes metamorphosis to form the adult. |
| 3. | Fertilisation is external, takes place in water while development involves a larval stage called instar that undergoes paurometabolous metamorphosis to form the adult. |
| 4. | Fertilisation is internal, takes place inside the female body while development involves a larval stage called instar that moults 13 times to form the adult. |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
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The number of ova that can be laid by a mature female frog at a time varies between:
| 1. | 100 to 200 | 2. | 750 to 1250 |
| 3. | 2500 to 3000 | 4. | 8000 to 10000 |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
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Frogs are beneficial for mankind because:
| 1. | they are an important source of food all over the world. |
| 2. | toxins derived from them can cure many human ailments. |
| 3. | while burrowing, they loosen soil in arid environments making the soil highly fertile. |
| 4. | they eat insects and protect the crop. |
Subtopic: Frogs | How Frogs are Beneficial for Mankind? |
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In the given diagrammatic representation of internal organs of a frog showing the complete digestive system, identify I, II, III, IV:
| I | II | III | IV | |
| 1. | Oesophagus | Liver | Gall bladder | Fat bodies |
| 2. | Pharynx | Liver | Gall bladder | Uricose glands |
| 3. | Buccal cavity | Gall bladder | Liver | Antennal glands |
| 4. | Oesophagus | Gall bladder | Liver | Fat bodies |
Subtopic: Frogs: Anatomy (Digestive System) |
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In the given diagrammatic representation of internal organs of a frog showing complete digestive system, identify V, VI, VII, VIII:
| V | VI | VII | VIII | |
| 1. | Uterus | Urinary bladder | Rectum | Cloaca |
| 2. | Ureter | Urinary bladder | Rectum | Cloaca |
| 3. | Ureter | Urinary bladder | Cloaca | Rectum |
| 4. | Urethra | Urinary bladder | Cloaca | Rectum |
Subtopic: Frogs: Anatomy (Digestive System) |
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The figure shows the female reproductive system of a frog. Identify A, B, C and D:
| A | B | C | D | |
| 1. | Ova | Ovary | Ureter | Urinary bladder |
| 2. | Ovary | Oviduct | Ureter | Urinary bladder |
| 3. | Ova | Oviduct | Urethra | Urinary bladder |
| 4. | Ova | Oviduct | Ureter | Cloaca |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
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The figure shows the male reproductive system of a frog. Identify A, B, C, and D:
| A | B | C | D | |
| 1. | Testis | Vas deferens | Fat bodies | Pituitary gland |
| 2. | Fat bodies | Vasa efferentia | Testis | Adrenal gland |
| 3. | Testis | Vas deferens | Fat bodies | Adrenal gland |
| 4. | Testis | Vasa efferentia | Fat bodies | Adrenal gland |
Subtopic: Frogs: Anatomy (Male Reproductive System) |
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