Identify the incorrect statement regarding Rana tigrina:
1. Forebrain includes olfactory lobes.
2. Midbrain includes optic lobes.
3. Hindbrain consists of cerebellum and medulla oblongata.
4. There are twelve pairs of cranial nerves.
 

Subtopic:  Frogs: Anatomy (Nervous System) |
 81%
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Assertion (A): The biceps and triceps are antagonistic in nature.
Reason (R): Biceps flexes the arm whereas triceps straightens it.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false
Subtopic:  Animal Tissue: Muscle Types & Skeletal Muscles |
 74%
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Assertion (A): Bone possess a very hard matrix but cartilage has pliable matrix.
Reason (R): Bone matric contain calcium salts but cartilage contain chondroitin salts.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false 
Subtopic:  Connective Tissue |
 79%
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Assertion (A): Connective tissues link and support other tissues of the body.
Reason (R): The name of the connective tissue is after its functions.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Connective Tissue |
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Assertion (A): Earthworms make the soil porous and increase the fertility of the soil.
Reason (R): They are known as friends of farmers.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Earthworm |
 57%
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Assertion (A): Frogs have smaller alimentary canal.
Reason (R): They are carnivores.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Frogs: Anatomy (Digestive System) |
 86%
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Assertion (A): Frogs have a short alimentary canal.
Reason (R): They are carnivores.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.
Subtopic:  Frogs |
 88%
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Assertion (A): In frogs, external fertilization takes place.
Reason (R): Frog is an aquatic amphibian.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Frogs | Frogs: Anatomy (Male Reproductive System) |
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The type of epithelium shown in the given figure is not found in the lining of:
 
1. Blood capillaries
2. Loop of Henle
3. Fallopian tubes
4. Alveoli
Subtopic:  Simple Epithelium |
 65%
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Identify the incorrectly matched pair regarding the morphology of Periplaneta americana:
1. Tegmina Forewings
2. Tergites Ventral sclerites
3. Labrum Upper lip
4. Hypopharynx Tongue
Subtopic:  Cockroach: Intro & External Morphology |
 81%
From NCERT
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