Q. No.Match each item in Column I with one item in Column II regarding anatomy of cockroach and choose your answer from the codes given below :
|
|
Column I |
|
Column II |
|
I. |
Testes |
1. |
2nd to 6th |
|
II. |
Ovaries |
2. |
4th to 6th |
|
III. |
Spermatheca |
3. |
6th |
|
IV. |
Mushroom gland |
4. |
6th-7th |
|
|
I |
II |
III |
IV |
|
1. |
1 |
2 |
3 |
4 |
|
2. |
2 |
1 |
4 |
3 |
|
3. |
2 |
1 |
3 |
4 |
|
4. |
1 |
2 |
4 |
3 |
What external changes are visible after the last moult of a cockroach nymph?
1. Mandible become harder
2. Anal cerci develop
3. Both fore wings and hind wings develop
4. Labium develops
How many molting will be observed in the case of female cockroaches for 20 eggs thinking that all will be converted in adults?
(1) 260
(2) 120
(3) 130
(4) 660
Vestibulum is a part of
(1) Genital chamber of female cockroach
(2) Genital pouch of female cockroach
(3) Both a and b
(4) Rudimentary part of female circulatory system in cockroach
The number of correct statements, regarding cockroaches, among the given statements is:
| I. | Dorsal sclerites are called sternites and ventral sclerites are called tergites. |
| II. | While the labrum is the upper lip and the labium is the lower lip, the hypopharynx acts as the tongue. |
| III. | Anal cerci are seen in both sexes but anal styles are found in male cockroaches only. |
| IV. | Each thoracic segment bears a pair of walking legs. |
| V. | Forewings called tegmina are used in flight while the hind wings are opaque, dark, and leathery. |
1. 2
2. 3
3. 4
4. 5
Match each item in Column I with one in Column II and choose your answer from the codes given below:
| Cockroach anatomy | Features | ||
| A. | Tests | a. | 6th - 7th abdominal segments |
| B. | Mushroom gland | b. | 4th - 6th abdominal segments |
| C. | Ovaries | c. | 2nd - 6th abdominal segments |
| D. | Spermathecae | d. | 6th abdominal segment |
| A | B | C | D | |
| 1. | c | a | b | d |
| 2. | c | b | a | d |
| 3. | b | a | c | d |
| 4. | d | b | a | c |
2. Both fore wings and hind wings develop
3. Labium develops
4. Mandibles become harder
Which of the following correctly describes the location of some body parts in the earthworm Pheretima?
| 1. | Two pairs of accessory glands in 16-18 segments |
| 2. | Four pairs of spermathecae in 4-7 segments |
| 3. | One pair of ovaries attached at intersegmental septum of 14th and 15th segments |
| 4. | Two pairs of tests in 10th and 11th segments |
On an average female cockroach produce ________ oothecae, each containing ________ eggs.
(1) 9-10, 14-16
(2) 14-16, 9-10
(3) 2-4, 10-12
(4) 6-8, 8-10
Consider the following statements A, B, C & D with certain blanks. Find the option which correctly fills up these blanks
A. The ootheca of cockroach is about __(i)____ long.
B. The development of P americana is ___(ii)___, meaning there is development through ___(iii)____ stage.
C. In the head region of cockroach, the brain is represented by ___(iv)___ ganglion, which supplies nerves to antennae and ____(v)___.
D. The respiratory system of cockroach consists of a network of trachea, that opens through ____(vi)____ of small holes called spiracles present on the ____(vii)____ side of the body.
(1) A - (i) 3 mm
B - (ii) Paurometabolous
(iii) Nymphal
C - (iv) Supra-oesophageal
(v) compound eyes
(2) B-(ii) Paurometabolous
C-(iv) Supra-oesophageal
(v) wings
D -(vi) 10 pairs
(vii) Lateral
(3) A - (i) 8 mm
C - (iv) Sub-oesophageal
(v) Compound eyes
D - (vi) 10 pairs
(vii) Dorsal
(4) A - (i) 8 mm
B - (ii) Paurometabolous
(iii) Nymphal
C - (iv) Supra-oesophageal
(v) compound eyes
D - (vi) 10 pairs
(vii) Lateral
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