b) along the latero-oesophageal hearts in segments 12 and 13
34%
c) both (a) and (b)
17%
d) behind the pharyngeal mass in segments 4, 5 and 6
Q.2.
If the head of cockroach is removed, it may live for few days because [ NEET 2020]
50%
a) the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
25%
b) the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body.
21%
c) the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.
4%
d) the cockroach does not have nervous system.
Q.3.
Which of the following features is used to identify a male cockroach from a female cockroach ? [NEET 2018]
19%
a) Forewings with darker tegmina
31%
b) Presence of caudal styles
19%
c) Presence of a boat shaped sternum on the 9th abdominal segment
31%
d) Presence of anal cerci
Q.4.
Locomotion occurs in earthworm through:
11%
a) Setae.
47%
b) Parapodia.
21%
c) Setae and circular muscles.
21%
d) Setae, circular and longitudinal muscles.
Q.5.
Clitellum of Pheretima is thick girdle that is:
7%
a) Non glandular around 14th – 16th segments.
43%
b) Glandular around 14th – 16th segments.
50%
c) Glandular around 16th – 18th segments.
0%
d) Non glandular around 16th – 18th segments.
Q.6.
Which of the following is incorrect regarding the morphology of earthworm?
13%
a) Spermatheca – 6th to 9th segment.
27%
b) Lateral oesophageal heart – 12th to 13th segment.
27%
c) Intestine – 20th to last segment.
33%
d) Blood glands – 4th, 5th and 6th segments.
Q.7.
Find the correct statement regarding Periplanata.
21%
a) Each ovary has 9 ovarioles.
0%
b) Collateral glands help in forming spermatophores.
64%
c) A pair of spermatheca stores sperm in female cockroach.
14%
d) Phallomeres are asymmetrical Chitinous plates present inside the brood pouch.
Q.8.
Find the correct statement regarding Periplanata.
7%
a) Part of Phallomeres, help in reproduction
0%
b) Each ovary has 9 ovarioles.
86%
c) A pair of spermatheca stores sperm in female cockroach.
7%
d) Collateral glands help in forming spermatophores.
Q.9.
Pronotum of Periplanata is:
54%
a) A pair of chitin and plates around anus
8%
b) Sclerite of prothorax.
15%
c) Ovipositor of female cockroach.
23%
d) Part of Phallomeres, help in reproduction.
Q.10.
When alary muscles of cockroach relax:
31%
a) Blood enters from heart to pericardial sinus.
8%
b) Blood enters from pericardial sinus to heart.
46%
c) Blood enters from perivisceral sinus to pericardial sinus
15%
d) Blood enters from pericardial sinus to perivisceral sinus.
Q.11.
Intestinal Caecum of Pheretima is seen in:
0%
a) 26th to 35th segment.
33%
b) 15th to 35th segment.
44%
c) 9th to 14th segments.
22%
d) 26th segment.
Q.12.
Which of the following Nephridia excretion is exonephric in Pheretima?
22%
a) Pharyngeal Nephridia.
11%
b) Septal Nephridia.
56%
c) Integumentary Nephridia.
11%
d) Integumentary and pharyngeal Nephridia.
Q.13.
In earthworm, the dorsal wall of the intestine from 26th segment to 95th segment forms a median internal fold called:
10%
a) Trocophore.
40%
b) Typhlosole.
40%
c) Trachea.
10%
d) Clitellum
Q.14.
Which one of the following statements is true for Periplanata?
22%
a) The larval stage is called caterpillar.
11%
b) They are ureotelic.
67%
c) Anal styles are absent in females.
0%
d) The number of ovarioles in each ovary are 10.
Q.15.
Which one of the following correctly describes the location of some body parts in the earthworm ( Pheretima)?
33%
a) Four pairs of spermathecae in4-7 segments
0%
b) One pair of ovaries attached at inter-segmental septum of 14th and 15th segemnts
67%
c) Two pairs of testes in 10th and 11the segments
0%
d) Two pairs of accessory glands in 16-18th segments
Q.16.
Refer the given figure of digestive system of earthworm and identify the part labelled X
50%
a) Intestinal caecae
0%
b) Typhlosole
33%
c) Gizzard
17%
d) Pharynx
Q.17.
What is common between earthworm and Periplaneta
43%
a) Both have red coloured blood
0%
b) Both possess anal styles
14%
c) Both have malpighian tubules
43%
d) Both have segmented body
Q.18.
In the following diagram of leg of cockroach parts have been indicated aby alphabets. Choose the answer in which these alphabets have been correctly matched with the parts which they indicate
83%
a) A= Coxa , B =Tibia, C = Tarsus, D = Femur, E = Trochanter
0%
b) A = Coxa, B = Femur, C = Trochanter, D = Tarsus, E= Tibia