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Q. No.Testes in frogs:
1.
Are attached to the lower part of kidney by mesorchium
2.
Are compact mass of highly coiled seminiferous tubules
3.
Both (1) and (2)
4.
Are triangular shaped
Subtopic: Frogs: Anatomy (Excretory System) |
Level 3: 35%-60%
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Vasa efferentia in frogs:
| 1. | Are 30-40 in number connecting tests to the kidneys |
| 2. | Run transversely through the mesorchium and opens into Bidder's canal |
| 3. | Do not connect to Bidder's canal |
| 4. | Has no role in sperm transport |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
84%
Level 1: 80%+
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Choose the correct statement for female reproductive system of frogs:
| 1. | Ovaries have no functional or internal connections with the kidneys |
| 2. | Possess Bidder's canal |
| 3. | The posterior ends of oviduct are broad called ovisacs which open dorsally into cloaca |
| 4. | More than one option is correct |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
59%
Level 3: 35%-60%
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Read the following statements for frogs:
How many of the above statements are correct?
| (i) | A mature female can lay 2500 to 3000 ova at a time |
| (ii) | Fertilization is external and occurs in water |
| (iii) | Development is indirect |
| (iv) | Tadpoles are herbivores |
| (v) | Tadpoles possess external gills which later gets replaced by internal gills after metamorphosis |
How many of the above statements are correct?
| 1. | Two | 2. | Four |
| 3. | Three | 4. | Five |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
Level 3: 35%-60%
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Identify A, B, C and D for frogs:
| A | B | C | D | |
| 1. | Ovisac | Ovary | Cloaca | Ureter |
| 2. | Oviduct | Ovary | Urinogenital tract | Cloaca |
| 3. | Ovisac | Cloaca | Oviduct | Anus |
| 4. | Oviduct | Ovary | Ureter | Cloaca |
Subtopic: Frogs: Anatomy (Female Reproductive System) |
80%
Level 1: 80%+
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The terms for ‘summer sleep’ and ‘winter sleep’ seen in frogs respectively are:
1. Aestivation and Hibernation
2. Hibernation and Aestivation
3. Diapause and Cryptobiosis
4. Cryptobiosis and Diapause
1. Aestivation and Hibernation
2. Hibernation and Aestivation
3. Diapause and Cryptobiosis
4. Cryptobiosis and Diapause
Subtopic: Frogs |
94%
Level 1: 80%+
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Frog, when on land, uses which of the following as its respiratory organs?
| I: The buccal cavity | II: Skin | III: Lungs |
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Frogs |
74%
Level 2: 60%+
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Subtopic: Frogs |
85%
Level 1: 80%+
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Select the correct statement for frogs:
| 1. | Ear acts as organ for hearing but not balancing |
| 2. | External ear is absent and only tympanum can be seen externally |
| 3. | These possess compound eyes |
| 4. | All of the above |
Subtopic: Frogs: Anatomy (Nervous System) |
79%
Level 2: 60%+
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Match the columns:
1. A - (i), B - (iii), C - (ii)
2. A - (ii), B - (i), C - (iii)
3. A - (iii), B - (i), C - (ii)
4. A - (i), B - (ii), C - (iii)
| Column-I | Column-II | ||
| A. | Fore-brain | (i) | A pair of optic lobes |
| B. | Mid-brain | (ii) | Cerebellum and medulla oblongata |
| C. | Hind-brain | (iii) | Olfactory lobe, paired cerebral hemisphere, unpaired diencephalon |
2. A - (ii), B - (i), C - (iii)
3. A - (iii), B - (i), C - (ii)
4. A - (i), B - (ii), C - (iii)
Subtopic: Frogs: Anatomy (Nervous System) |
89%
Level 1: 80%+
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