Bull frog of India is
1. Rana tigerina
2. Rana sylvatica
3. Rana ecutedbeiana
4. Rana esculenta
Subtopic: Â Summary - Structural Organisation in Animals |
 95%
Level 1: 80%+
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In frogs:
| 1. | The dentition is homodont and the upper jaw is toothless. |
| 2. | The dentition is heterodont and the upper jaw is toothless. |
| 3. | The dentition is homodont and the lower jaw is toothless. |
| 4. | The dentition is heterodont and the lower jaw is toothless. |
Subtopic: Â Frogs: Anatomy (Digestive System) |
Level 3: 35%-60%
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Subtopic: Â Frogs |
 60%
Level 2: 60%+
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Which of the following is not seen in the brain of the frog?
| 1. | Olfactory lobes | 2. | Corpus callosum |
| 3. | Corpora striata | 4. | Anterior choroid plexus |
Subtopic: Â Frogs: Anatomy (Nervous System) |
Level 3: 35%-60%
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Tadpoles will undergo metamorphosis if they are:
| 1. | fed on frog eggs |
| 2. | provided with high temperature |
| 3. | injected thyroxine |
| 4. | injected gonadotropic hormones |
Subtopic: Â Frogs: Anatomy (Female Reproductive System) |
 75%
Level 2: 60%+
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The pituitary gland is crushed and injected in a frog. The frog will:
| 1. | start laying eggs almost immediately |
| 2. | change color |
| 3. | undergo metamorphosis |
| 4. | die |
Subtopic: Â Frogs: Anatomy (Nervous System) |
Level 4: Below 35%
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Cuboidal epithelium with brush border of microvilli is found in :
1. Ducts of salivary glands
2. Proximal convoluted tubule of nephron
3. Eustachian tube
4. Lining of intestine
Subtopic: Â Simple Epithelium |
 79%
Level 2: 60%+
NEET - 2020
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Goblet cells of alimentary canal are modified from:
| 1. | Columnar epithelial cells | 2. | Chondrocytes |
| 3. | Compound epithelial cells | 4. | Squamous epithelial cells |
Subtopic: Â Simple Epithelium |
 69%
Level 2: 60%+
NEET - 2020
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If the head of the cockroach is removed, it may live for a few days because:
| 1. | The cockroach does not have a nervous system |
| 2. | The head holds a small proportion of the nervous system while the rest is situated along the ventral part of its body |
| 3. | The head holds 1/3rd of the nervous system while the rest is situated along the dorsal part of its body |
| 4. | The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen |
Subtopic: Â Cockroach: Nervous System |
 69%
Level 2: 60%+
NEET - 2020
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Buccopharyngeal respiration in frog
| 1. | is increased when nostrils are closed |
| 2. | Stops when there is pulmonary respiration |
| 3. | is increased when it is catching fly |
| 4. | stops when mouth is opened. |
Subtopic: Â Frogs: Anatomy (Respiratory System) |
Level 3: 35%-60%
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