Match column-I with column-II with respect to Periplaneta and select the correct option 
Column-I Column-II
a. Crop (i) Removal of excretory products
b. Hepatic caeca (ii) Storage of food 
c. Gizzard (iii) Secrete digestive juice
d.  Malpighian tubules (iv) Grinding of food particles 

1. a(ii), b(iii), c(iv), d(i)
2. a(iii), b(ii), c(iv), d(i)
3. a(ii), b(iii), c(i), d(iv)
4. a(iv), b(i), c(ii), d(iii)

Subtopic:  Cockroach: Digestive System (OLD NCERT) | Cockroach: Excretory System (OLD NCERT) |
 87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Read the given statements and select the correct option 
Statement-A: If the head of the cockroach is removed, it will still live for as long as one week because the nervous system of the cockroach is present in the head region.
Statement-B: Each Malpighian tubule in Periplaneta is lined by glandular and ciliated cells.
1. Both statements A and B are incorrect.
2. Both statements A and B are correct.
3. Only statement A is correct.
4. Only statement B is correct.
Subtopic:  Cockroach: Nervous System (OLD NCERT) |
 67%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match column I with column II with respect to cockroach and select the correct option 
Column I Column II
A. Labium (i) Tongue
B. Labrum (ii) Lower lip
C. Hypopharynx (iii) Upper lip 
 
A B C
1. (ii) (iii) (i)
2. (ii) (i) (iii)
3. (iii) (ii) (i)
4. (i) (ii) (iii)
Subtopic:  Cockroach: Digestive System (OLD NCERT) |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Match the following columns with respect to the reproductive system of cockroach:
Column I Column II
(a) Testis (i) 2nd , 6th abdominal segment 
(b) Ovaries (ii) 4th , 6th abdominal segment
(c) Mushroom gland  (iii) 6th abdominal segment
(d) Spermatheca (iv) 6th , 7th abdominal segment 
Select the correct option: 
1. (a)-(ii), (b)-(i), (c)-(iv), d(iii)
2. (a)-(i), (b)-(ii), (c)-(iii), d(iv)
3. (a)-(ii), (b)-(i), (c)-(iii), d(iv)
4. (a)-(i), (b)-(iii), (c)-(iv), d(ii) 
Subtopic:  Cockroach:Male Reproductive System (OLD NCERT) |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

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 (OLD NCERT) | Cockroach: Excretory System (OLD NCERT) |
 76%
From NCERT
NEET - 2013
Please attempt this question first.
Hints
Please attempt this question first.

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
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

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 (OLD NCERT) |
 69%
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.
Subtopic:  Cockroach: Circulatory System (OLD NCERT) |
 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.
Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
Please attempt this question first.
Hints

advertisementadvertisement

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.
 
Subtopic:  Cockroach:Male Reproductive System (OLD NCERT) | Cockroach: Female Reproductive System (OLD NCERT) |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.