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Q. No.Renal portal vein in frogs:
1. Carry oxygenated blood
2. Carry blood from lower part of the body to kidney
3. Both (1) and (2) are correct
4. May bypass kidney and directly enter heart
Subtopic: Frogs: Anatomy (Circulatory System) |
58%
From NCERT
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Read the following statements w.r.t. venous system of frogs:
(i) Hepatic portal vein carries blood of alimentary canal and its glands to the liver
(ii) Pulmonary veins carry deoxygenated blood from lungs to left auricle
(iii) Vena Cava carry deoxygenated blood from body parts to the heart
(iv) Renal portal vein carry blood from hind limbs and gonads to the kidney
(v) Special venous connections between liver and intestine as well as kidney and lower parts are present
How many of the above statements are correct?
1. One
2. Four
3. Five
4. Three
(i) Hepatic portal vein carries blood of alimentary canal and its glands to the liver
(ii) Pulmonary veins carry deoxygenated blood from lungs to left auricle
(iii) Vena Cava carry deoxygenated blood from body parts to the heart
(iv) Renal portal vein carry blood from hind limbs and gonads to the kidney
(v) Special venous connections between liver and intestine as well as kidney and lower parts are present
How many of the above statements are correct?
1. One
2. Four
3. Five
4. Three
Subtopic: Frogs: Anatomy (Circulatory System) |
From NCERT
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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
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) |
57%
From NCERT
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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
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) |
53%
From NCERT
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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
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) |
64%
From NCERT
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Read the following statements for frog:
(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
(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) |
64%
From NCERT
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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) |
90%
From NCERT
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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
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%
From NCERT
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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
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) |
From NCERT
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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
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) |
83%
From NCERT
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