Q. No.Which of the following statements is correct regarding Cockroach?
1. Compound eye is also called as ocellus
2. Spiracle helps in excretion
3. Phallomere is present in female Cockroach
4. Ventral nerve cord
1. Compound eye is also called as ocellus
2. Spiracle helps in excretion
3. Phallomere is present in female Cockroach
4. Ventral nerve cord
Which of the following statements is INCORRECT?
| 1. | Cockroaches exhibit mosaic vision with less sensitivity and more resolution |
| 2. | A mushroom-shaped gland is present in the 6th-7th abdominal segments of male |
| 3. | A pair of spermatheca is present in the 6th segment of female cockroach |
| 4. | Female cockroach possesses sixteen ovarioles in the ovaries |
Identify correctly matched (a), (b), (c):
1. Colon, Mesentron, Crop
2. Ileum, Mesentron, Gizzard
3. Ileum, Mesentron, Crop
4. Colon, Mesentron, Gizzard
Tick mark of the false statement with respect to Periplaneta, Americana.
| 1. | Mandible help in incising and grinding. |
| 2. | Malpighian tubules are present at the junction of midgut and ileum. |
| 3. | Hepatic caeca are present at the junction of crop and gizzard. |
| 4. | Mushroom gland is present in 6-7th abdominal segments and functions as an accessory reproductive gland in males. |
Identify the incorrect statement regarding the blood vascular system of cockroach:
| 1. | Blood vessels are poorly developed and open into hemocoel |
| 2. | The hemolymph is composed of colourless plasma and hemocytes |
| 3. | Heart lies along the mid-ventral line of thorax and abdomen |
| 4. | Blood from sinuses enter heart through ostia |
Which of the following statements is wrong?
(1) Spiracles are regulated by sphincters in Cockroach.
(2) Tracheoles is the place for gaseous exchange
(3) There will be 10 pairs of spiracles
(4) Tracheoles divide into tracheal tubes
Male cockroach and female cockroach can be
differentiated by :
1. Ocelli
2. Anal cerci
3. Anal styles
4. Male rabbit
Which of the following statement is incorrect with respect to cockroach?
1. The exoskeleton of each segment consists of four plate-like pieces called sclerites
2. Labium bears tactile and gustatory sensory setae
3. In cockroach, malpighian tubules, fat bodies, nephrocytes, cuticle, and uricose glands (in some species) Helps in excretion
4. Internally mesenteron is lined by cuticle and covered by a very thin and transparent peritrophic membrane
Anal cerci are paired, jointed outgrowth found in cockroach. These arise from
1. sternum
2. tergum
3. tergum
4. tergum
Which of the following is correct with respect to cockroach?
a. Internally mesenteron is lined with cuticle
b. In abdomen eight pair of spiracles are present
c. All sperms of seminal vesicle are glued together into spermatophore
d. Malphigian tubules are present at the junction of midgut and hindgut
1. a, b & c
2. a & b
3. b & d
4. b, c & d
© 2024 GoodEd Technologies Pvt. Ltd.