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Q. No.Which one of the following is one of the paths followed by air/O2 during respiration in an adult male Periplaneta americana as it enters the animal body?
1.
Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells
2.
Mouth, bronchial tube, trachea, oxygen enters cells
3.
Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells
4.
Hypopharynx, mouth, pharynx, trachea, tissues
Subtopic: Cockroach: Respiratory System (OLD NCERT) |
62%
From NCERT
NEET - 2013
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Assertion (A): Circulatory system of cockroach does not contain any aorta, vein or capillary.
Reason (R): Blood of cockroach does not contain any respiratory pigment.
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): Blood of cockroach does not contain any respiratory pigment.
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 (OLD NCERT) |
69%
From NCERT
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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.
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 (OLD NCERT) |
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 (OLD NCERT) |
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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 (OLD NCERT) | Cockroach: Female Reproductive System (OLD NCERT) |
81%
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 (OLD NCERT) |
65%
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 (OLD NCERT) |
51%
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 (OLD NCERT) |
59%
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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 (OLD NCERT) |
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 (OLD NCERT) |
89%
From NCERT
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