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Q. No.Consider the given two statements:
Assertion (A):
Cardiac muscle cells can contract as a unit.
Reason (R):
Cardiac muscle tissue is a contractile tissue present only in the heart.
1.
Both (A) and (R) are True and (R) correctly explains (A).
2.
Both (A) and (R) are True but (R) does not correctly explain (A).
3.
(A) is True; (R) is False
4.
Both (A) and (R) are False
Subtopic: Cardiac Muscle & Smooth Muscle |
56%
From NCERT
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Identify the correct statements:
1. Only I
2. Only III
3. Only I and II
4. I, II and III
| I: | Skeletal muscle is striated and voluntary. |
| II: | Smooth muscle is striated and involuntary. |
| III: | Cardiac muscle is non-straited and involuntary. |
2. Only III
3. Only I and II
4. I, II and III
Subtopic: Animal Tissue: Muscle Types & Skeletal Muscles | Cardiac Muscle & Smooth Muscle |
88%
From NCERT
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Consider the given two statements:
| Statement I: | Stratified squamous epithelium lines the alveoli. |
| Statement II: | Simple columnar epithelium lines the proximal convoluted tubules of nephron. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement I is incorrect; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is correct |
Subtopic: Simple Epithelium |
53%
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The mouth part of Cockroach shown in the given figure:
1. is paired
2. acts as the tongue
3. forms the upper lip
4. forms the lower lip
1. is paired
2. acts as the tongue
3. forms the upper lip
4. forms the lower lip
Subtopic: Cockroach: Head & Mouth Parts |
51%
From NCERT
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Consider the given two statements:
| Assertion (A): | The development of Periplaneta americana is holometabolous. |
| Reason (R): | The development in Periplaneta americana is ‘complete’ and not ‘partial’. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Cockroach: Female Reproductive System |
78%
From NCERT
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Blood vascular system of cockroach:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is closed type. |
| II: | is involved in the exchange of gases with tissues. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Circulatory System |
From NCERT
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Regarding cockroach:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Gizzard helps in grinding the food particles. |
| II: | A ring of 6-8 blind tubules called hepatic or gastric caeca is present at the junction of foregut and midgut, which secretes digestive juice. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Digestive System |
91%
From NCERT
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A liquid extracellular matrix makes which of the following connective tissues a specialised tissue?
1. Adipose tissue
2. Areolar connective tissue
3. Blood
4. Dense irregular connective tissue
1. Adipose tissue
2. Areolar connective tissue
3. Blood
4. Dense irregular connective tissue
Subtopic: Connective Tissue |
90%
From NCERT
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The inner walls of blood vessels and alveoli are lined with:
1. Cuboidal epithelium
2. Columnar epithelium
3. Squamous epithelium
4. Stratified epithelium
1. Cuboidal epithelium
2. Columnar epithelium
3. Squamous epithelium
4. Stratified epithelium
Subtopic: Simple Epithelium |
91%
From NCERT
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Intercalated discs (ICDs) are highly organized structures that connect:
| 1. | Cardiac muscle cells to each other |
| 2. | Smooth muscle cells to each other |
| 3. | Skeletal muscle cells to each other |
| 4. | Tendons of two muscle |
Subtopic: Cardiac Muscle & Smooth Muscle |
88%
From NCERT
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