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Q. No.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 | Cockroach: Excretory System |
89%
Level 1: 80%+
Hints
Read the given statements and select the correct option
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.
| 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 |
69%
Level 2: 60%+
Hints
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 |
78%
Level 2: 60%+
Hints
Match the following columns with respect to the reproductive system of cockroach:
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)
| 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 |
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 |
76%
Level 2: 60%+
Hints
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 |
73%
Level 2: 60%+
NEET - 2013
Hints
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%
Level 2: 60%+
NEET - 2013
Hints
| 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 |
67%
Level 2: 60%+
Hints
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%
Level 3: 35%-60%
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 |
Level 3: 35%-60%
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. |
Subtopic: Cockroach:Male Reproductive System | Cockroach: Female Reproductive System |
84%
Level 1: 80%+
Hints
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