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Q. No.The frog's blood:
1.
Is composed of corpuscles but lack plasma
2.
Contains RBCs, WBCs and platelets or thrombocytes and plasma
3.
Contains RBCs which are oval, biconvex and nucleated
4.
Is related to more than one option mentioned above
Subtopic: Frogs: Anatomy (Circulatory System) |
55%
Level 3: 35%-60%
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Which of the following is incorrect for lymphatic system of frogs?
| 1. | Lymph is without RBCs and contain few proteins only |
| 2. | Lymph is colourless |
| 3. | Lymph is continuously produced from filtering of blood through capillaries into intercellular spaces |
| 4. | Lymph hearts are absent |
Subtopic: Frogs: Anatomy (Circulatory System) |
55%
Level 3: 35%-60%
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Which of the following is true for the excretory system of frogs?
| 1. | Two ureters emerge from the kidneys of male frogs which act as urinogenital duct that opens into cloaca |
| 2. | In female frogs ureters and oviduct forms the urinogenital duct that opens into cloaca |
| 3. | Both (1) and (2) |
| 4. | Urinary bladder is present dorsal to the rectum which open into the cloaca |
Subtopic: Frogs: Anatomy (Excretory System) |
66%
Level 2: 60%+
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Read the following statements for frog:
How many of the above statements are correct?
| (i) | They possess both neural and endocrine system |
| (ii) | They possess a central nervous system (Brain and spinal cord) and a peripheral nervous system (cranial and spinal nerves) |
| (iii) | They lack an autonomic nervous system |
| (iv) | They possess 10 pairs of cranial nerves arising from the brain |
| (v) | Stomach contains oxyntic glands, gastric glands, hepatic caeca, calciferous glands as well as collaterial glands |
How many of the above statements are correct?
| 1. | Two | 2. | Three |
| 3. | Four | 4. | Five |
Subtopic: Frogs: Anatomy (Nervous System) |
65%
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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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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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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