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Q. No.Assertion (A): Blood in cockroach is colourless with no respiratory pigment.
Reason (R): Respiration occurs through diffusion in hemolymph.
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: Cockroach: Circulatory System |
53%
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Assertion (A): The young one of cockroach does not look like adult cockroach.
Reason (R): The mouthparts of young cockroach are not well developed like adult cockroach.
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.
Reason (R): The mouthparts of young cockroach are not well developed like adult cockroach.
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: Cockroach: Intro & External Morphology |
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Assertion (A): Cockroaches show sexual dimorphism.
Reason (R): Male and female cockroaches can be distinguished based on morphology.
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.
Reason (R): Male and female cockroaches can be distinguished based on morphology.
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: Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
83%
From NCERT
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Assertion (A) : Eggs of cockroaches are encased in oothecae.
Reason (R) : Ootheca is formed by the collaterial gland of female cockroach.
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.
Reason (R) : Ootheca is formed by the collaterial gland of female cockroach.
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: Cockroach: Female Reproductive System |
66%
From NCERT
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Which portion of alimentary canal of cockroach is not internally lined by cuticle?
1. Mesenteron
2. Gizzard
3. hind gut
4. Crop
1. Mesenteron
2. Gizzard
3. hind gut
4. Crop
Subtopic: Cockroach: Digestive System |
From NCERT
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Choose the correct order of polymers in the walking leg of the cockroach:
1. Coxa → Tibia → Tronchanter → Femur → Tarsus
2. Coxa → Trochanter → Femur → Tibia → Tarsus
3. Coxa → Femur → Trochanter → Tibia → Tarsus
4. Coxa → Tarsus → Tibia → Trochanter → Femur
1. Coxa → Tibia → Tronchanter → Femur → Tarsus
2. Coxa → Trochanter → Femur → Tibia → Tarsus
3. Coxa → Femur → Trochanter → Tibia → Tarsus
4. Coxa → Tarsus → Tibia → Trochanter → Femur
Subtopic: Cockroach: Intro & External Morphology |
60%
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Assertion (A): The vision of cockroaches is called mosaic vision.
Reason (R): They have several ommatidia.
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.
Reason (R): They have several ommatidia.
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: Cockroach: Compound Eye |
From NCERT
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Assertion (A): Cockroaches are treated as pests.
Reason (R): They spoil food and contaminate it with their smelly excreta.
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.
Reason (R): They spoil food and contaminate it with their smelly excreta.
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: Cockroach: Excretory System |
89%
From NCERT
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Which of the following is the characteristic
feature of cockroach regarding sexual dimorphism?
1. Presence of anal cerci
2. Dark brown body colour and anal cerci
3. Presence of anal styles
4. Presence of sclerites
feature of cockroach regarding sexual dimorphism?
1. Presence of anal cerci
2. Dark brown body colour and anal cerci
3. Presence of anal styles
4. Presence of sclerites
Subtopic: Cockroach:Male Reproductive System |
75%
From NCERT
NEET - 2023
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In cockroach, excretion is brought about by:
Choose the correct answer from the options given below:
| A. | Phallic gland |
| B. | Urecose gland |
| C. | Nephrocytes |
| D. | Fat body |
| E. | Collaterial glands |
Choose the correct answer from the options given below:
| 1. | B and D only | 2. | A and E only |
| 3. | A, B and E only | 4. | B, C and D only |
Subtopic: Cockroach: Excretory System |
74%
From NCERT
NEET - 2023
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NEET 2026 - Target Batch - Vital
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