Select Chapter Topics:
Q. No.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.
Subtopic: Cockroach: Circulatory System |
68%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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%
Please attempt this question first.
Hints
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 |
Please attempt this question first.
Hints
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 |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
65%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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 |
51%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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%
Please attempt this question first.
Hints
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
Please attempt this question first.
Hints
Please attempt this question first.
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
Please attempt this question first.
Hints
Please attempt this question first.
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 |
73%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.