Q. No.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
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 correctly matched (a), (b), (c):
1. Colon, Mesentron, Crop
2. Ileum, Mesentron, Gizzard
3. Ileum, Mesentron, Crop
4. Colon, Mesentron, Gizzard
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 |
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
Frogs differ from humans in possessing
1. paired cerebral hemispheres
2. hepatic portal system
3. nucleated red blood cells
4. thyroid as well as parathyroid
Male reproductive system of cockroach consist of
| 1. | Testis, Vas-deferens, Ejaculatory duct, Seminal Vesicle and Mushroom-shaped gland. |
| 2. | Testis, Vas-deferens, Phallomere, Ejaculatory duct and Collateral gland. |
| 3. | Testis, Phallic gland, Vestibulum, Pseudopenis and Titillator. |
| 4. | Testis, Anal cercus, caudal style, Spermatheca and gonapophysis. |
Mark the incorrect statement regarding the Malpighian tubule in cockroach:
1. It is present at the junction of the midgut and hindgut.
2. It is lined by glandular and ciliated cells.
3. It absorbs uric acid from the hemolymph.
4. It is about 100-150 in number and is a thin yellow filamentous tubule.
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
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