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Q. No.What is ‘X’ in the given diagram?
1.
Collateral Gland
2.
Phallic Gland
3.
Mushroom Gland
4.
Corpora Allata
Subtopic: Cockroach: Female Reproductive System |
68%
From NCERT
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In 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: | On average, females produce 9 to 10 oothecae, each containing 14 to 16 eggs. |
| II: | The nymph grows by moulting about 13 times to reach adult form. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Female Reproductive System |
89%
From NCERT
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Identify the correct statements regarding connective tissue?
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | Collagen and Elastin fibres are secreted by cells of all connective tissues |
| II: | Matrix (ground substance) is predominantly polysaccharides |
| III: | Connective tissues link or support other tissues/ organs of the body |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Connective Tissue |
61%
From NCERT
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Subtopic: Cockroach:Male Reproductive System |
70%
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Regarding the neural 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: | It is located on the ventral side of the body. |
| II: | There are three thoracic ganglia and six abdominal ganglia. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Nervous System |
71%
From NCERT
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Regarding the respiratory system of cockroach:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | It consists of a network of trachea that open through 12 pairs of spiracles present on ventral side of the body. |
| II: | The opening of spiracles is regulated by sphincters. |
| III: | Exchange of gases takes place at the tracheoles by diffusion. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cockroach: Respiratory System |
54%
From NCERT
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In 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: | The haemolymph is composed of colourless plasma and haemocytes. |
| II: | The heart lies along mid ventral line of thorax and abdomen. |
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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In 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: | The entire foregut is lined by cuticle. |
| II: | The hind gut is broader than midgut and is differentiated into ileum, colon and rectum. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Digestive System |
76%
From NCERT
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In 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: | Gastric or hepatic caeca are 6 to 8 in number and present at the junction of mid gut and hind gut. |
| II: | Malpighian tubules are 100 to 150 in number and present at the junction of fore gut and mid gut. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Cockroach: Digestive System |
67%
From NCERT
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In cockroach:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | The abdomen in both males and females has ten segments. |
| II: | In females, the seventh sternum is boat shaped and together with eighth and ninth sterna forms a brood or genital pouch. |
| III: | In males, genital pouch of chamber is bounded dorsally by ninth and tenth terga and ventrally by ninth sternum. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Cockroach: Intro & External Morphology |
From NCERT
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