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Q. No.Select the correct option with respect to Cockroaches:
1.
Malpighian tubules convert nitrogenous wastes into urea
2.
Males bear short and styles not present in females
3.
Nervous system comprises a dorsal nerve cord and ten pairs of ganglion
4.
The fore wings are tegmina which are used in flight
Subtopic: Cockroach: Structure of Thorax | Cockroach: Excretory System |
75%
From NCERT
NEET - 2013
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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 |
64%
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 |
68%
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 |
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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