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Q. No.How many of the given statements are correct regarding cockroach?
I:
10 pairs of small holes called spiracles are present on the lateral side of the body.
II:
Excretion is performed by malpighian tubules.
III:
In the head region, the brain is represented by supra-oesophageal ganglion.
IV:
Each compound eye consists of about 20 rectangular ommatidia.
1. 1
2. 2
3. 3
4. 4
Subtopic: Cockroach: Excretory System | Cockroach: Nervous System | Cockroach: Compound Eye |
84%
From NCERT
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What structures are used for excretion and osmoregulation in Periplaneta americana?
| 1. | Protonephridia | 2. | Nephridia |
| 3. | Malpighian tubules | 4. | Antennal glands |
Subtopic: Cockroach: Excretory System |
89%
From NCERT
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Subtopic: Glandular Epithelium & Cell Junction |
89%
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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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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Identify the correct statement:
| 1. | Fallopian tubes are lined with brush-bordered epithelium. |
| 2. | Proximal convoluted tubule of the nephron is lined by ciliated epithelium. |
| 3. | Areolar tissue is a dense, regular connective tissue. |
| 4. | Skin has dense irregular connective tissue. |
Subtopic: Connective Tissue |
67%
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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Where is ciliated epithelium commonly located in the human body?
1. Outer skin
2. Lining of the small intestine
3. Lining of the respiratory tract
4. Lining of the blood vessels
1. Outer skin
2. Lining of the small intestine
3. Lining of the respiratory tract
4. Lining of the blood vessels
Subtopic: Simple Epithelium |
83%
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:
| 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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