11/01/2026 Cockroach and frog
Corporate Office : AESL, 3rd Floor, Incuspaze Campus-2, Plot No. 13, Sector-18,
Udyog Vihar, Gurugram, Haryana - 122015, Ph.+91-1244168300
MM : 0 Cockroach and frog Time : 60 Min.
Cockroach and frog
1. In cockroach, brain is represented by 7. Grinding and incising region are associated with ____ of
Periplaneta.
(A) Supra-pharyngeal ganglion
Select the option that fills the blanks correctly.
(B) Supra-oesophageal ganglion (A) Labium
(C) Sub-oesophageal ganglion
(B) Labrum
(D) Sub-pharyngeal ganglion
(C) Maxilla
2. From head to the tip of abdomen, the sequence of thoracic (D) Mandible
segments in cockroach is
8. Select the odd one w.r.t. Rana tigrina.
(A) Metathorax, prothorax, mesothorax
(A) RBCs are nucleated
(B) Mesothorax, metathorax, prothorax
Circulatory system closed with complete double
(C) Prothorax, metathorax, mesothorax (B)
circulation
(D) Prothorax, mesothorax, metathorax
(C) Body divisible into head and trunk
3. During aestivation and hibernation, gaseous exchange (D) Tongue is bilobed at the tip
takes place through _______ in frogs.
Select the correct option to fill in the blank. 9. Choose the odd one w.r.t. paired structures in cockroach.
(A) Buccal cavity (A) Alary muscles
(B) Skin (B) Anal cerci
(C) Lungs (C) Spiracles
(D) Gills (D) Hypopharynx
4. Select the odd one w.r.t. excretory structures of frogs. 10. A pair of elongated, pink coloured sac-like structures
present in the upper part of trunk region/thorax of adult
(A) Ureters
frogs is
(B) Kidneys
(A) Liver
(C) Nephrons
(B) Lungs
(D) Anus
(C) Cloaca
5. Complete the analogy by selecting the option which fills (D) Gills
the blank correctly w.r.t. abdominal segments of
cockroach. 11. Consider the following statements w.r.t. circulatory system
Testes : 4th to 6th : : Ovary : _______ of frog and select the statement which is incorrect?
Special venous connections exist between liver and
(A) 6th to 7th
(A) intestine as well as the kidneys and lower parts of
body of the frog.
(B) 2nd to 6th
Blood of the frog contains plasma, non nucleated
(C) 7th to 9th (B)
RBCs and WBCs.
(D) 2nd to 8th (C)
Lymph also acts as a circulating fluid in frog but it lacks
RBCs.
6. The head of cockroach is formed by the fusion of
A triangular sinus venosus joins the right atrium of
segments and it shows great mobility in all directions due (D)
frog's heart.
to a flexible neck. The neck is a short extension of
(A) Head 12. Cockroaches are called pests because
(B) Prothorax (A) They are of no economic importance
(C) Mesothorax (B) They contaminate food with their smelly excreta
(D) Metathorax (C) They never act as vectors for any disease
(D) They eat insects and microbes
, 13. Chitinous plates that make up the exoskeleton of 19. The largest part of cockroach foregut is
cockroach can be called
(A) Gizzard
a. Sclerites
b. Terga (B) Oesophagus
c. Sterna
d. Pleura (C) Crop
(A) a only (D) Hepatic caecae
(B) a and b only 20. Grinding and incising region are associated with which
mouth part of Periplaneta?
(C) a, b and c only
(A) Maxilla
(D) a, b, c and d
(B) Labium
14. Brood pouch in male cockroach is bounded by
(C) Mandible
(A) 9th and 10th terga dorsally and 9th sternum ventrally
(D) Hypopharynx
(B) 9th tergum dorsally and 9th and 10th sterna ventrally 21. The structures that are present at junction of foregut and
midgut in cockroach are named
(C) 7th, 8th and 9th sterna
(A) Malpighian tubules
th th th th
(D) 7 tergum dorsally and 7 , 8 and 9 sterna (B) Crop
ventrally
(C) Gastric caecae
15. Which of the following animals contain colourless
haemolymph with haemocytes without respiratory (D) Proventriculus
pigment?
22. Consider the following statements w.r.t cockroach
(A) Earthworm a. Potassium urate is the principal nitrogenous waste in
haemolymph.
(B) Cockroach b. Vas deferens opens into seminal vesicle through
(C) Frog ejaculatory duct in males
c. Three pairs of chitinous phallomeres surround the male
(D) Pigeon gonopore
16. Arrange the following structures of male frogs in correct d. Both ovaries contain a total of 8 ovarian tubules in
sequence based on the passage of sperms females
Choose the option that represents correct statement(s)
(A) Cloaca
only.
(B) Bidders canal
(C) Testes (A) a only
(D) Urinogenital duct
(E) Vasa efferentia (B) a and b only
Choose the correct option. (C) a, b and c only
(A) E – C – A – B – D (D) a, b, c and d
(B) A – C – D – B – E 23. The lymphatic system of frogs consists of
(C) E – C – D – B – A (a) Lymph
(b) Lymph channels
(D) C – E – B – D – A (c) Lymph nodes
17. Read the following statements carefully w.r.t. cockroach. Select the option with correct set.
a. The first pair of wings arises from prothorax and the (A) (a) and (b) only
second pair from mesothorax.
b. The hind wings are transparent and membranous. (B) (a) and (c) only
c. Tegmina are opaque, dark and leathery. (C) (a) only
d. Forewings are used in flight.
e. Anal styles are present only in males. (D) (a), (b) and (c)
Select the option with correct statements only.
24. Structures associated with alimentary canal but
(A) a and b responsible for removal of excretory products from
hemolymph in Periplaneta is/are
(B) b, c and d
(A) Hepatic caeca
(C) b, c and e
(B) Malpighian tubules
(D) a, d and e
(C) Gizzard
18. The development of Periplaneta americana is through
nymphal stages. Such type of development is called (D) Nephridia
(A) Holometabolous 25. In cockroach, which structure has an outer layer of thick
circular muscles and thick inner cuticle forming six highly
(B) Paurometabolous chitinous plate called teeth?
(C) Ametabolous
(A) Hepatic caeca
(D) Hemimetabolous
(B) Proventriculus
(C) Malpighian tubule
(D) Salivary gland
Corporate Office : AESL, 3rd Floor, Incuspaze Campus-2, Plot No. 13, Sector-18,
Udyog Vihar, Gurugram, Haryana - 122015, Ph.+91-1244168300
MM : 0 Cockroach and frog Time : 60 Min.
Cockroach and frog
1. In cockroach, brain is represented by 7. Grinding and incising region are associated with ____ of
Periplaneta.
(A) Supra-pharyngeal ganglion
Select the option that fills the blanks correctly.
(B) Supra-oesophageal ganglion (A) Labium
(C) Sub-oesophageal ganglion
(B) Labrum
(D) Sub-pharyngeal ganglion
(C) Maxilla
2. From head to the tip of abdomen, the sequence of thoracic (D) Mandible
segments in cockroach is
8. Select the odd one w.r.t. Rana tigrina.
(A) Metathorax, prothorax, mesothorax
(A) RBCs are nucleated
(B) Mesothorax, metathorax, prothorax
Circulatory system closed with complete double
(C) Prothorax, metathorax, mesothorax (B)
circulation
(D) Prothorax, mesothorax, metathorax
(C) Body divisible into head and trunk
3. During aestivation and hibernation, gaseous exchange (D) Tongue is bilobed at the tip
takes place through _______ in frogs.
Select the correct option to fill in the blank. 9. Choose the odd one w.r.t. paired structures in cockroach.
(A) Buccal cavity (A) Alary muscles
(B) Skin (B) Anal cerci
(C) Lungs (C) Spiracles
(D) Gills (D) Hypopharynx
4. Select the odd one w.r.t. excretory structures of frogs. 10. A pair of elongated, pink coloured sac-like structures
present in the upper part of trunk region/thorax of adult
(A) Ureters
frogs is
(B) Kidneys
(A) Liver
(C) Nephrons
(B) Lungs
(D) Anus
(C) Cloaca
5. Complete the analogy by selecting the option which fills (D) Gills
the blank correctly w.r.t. abdominal segments of
cockroach. 11. Consider the following statements w.r.t. circulatory system
Testes : 4th to 6th : : Ovary : _______ of frog and select the statement which is incorrect?
Special venous connections exist between liver and
(A) 6th to 7th
(A) intestine as well as the kidneys and lower parts of
body of the frog.
(B) 2nd to 6th
Blood of the frog contains plasma, non nucleated
(C) 7th to 9th (B)
RBCs and WBCs.
(D) 2nd to 8th (C)
Lymph also acts as a circulating fluid in frog but it lacks
RBCs.
6. The head of cockroach is formed by the fusion of
A triangular sinus venosus joins the right atrium of
segments and it shows great mobility in all directions due (D)
frog's heart.
to a flexible neck. The neck is a short extension of
(A) Head 12. Cockroaches are called pests because
(B) Prothorax (A) They are of no economic importance
(C) Mesothorax (B) They contaminate food with their smelly excreta
(D) Metathorax (C) They never act as vectors for any disease
(D) They eat insects and microbes
, 13. Chitinous plates that make up the exoskeleton of 19. The largest part of cockroach foregut is
cockroach can be called
(A) Gizzard
a. Sclerites
b. Terga (B) Oesophagus
c. Sterna
d. Pleura (C) Crop
(A) a only (D) Hepatic caecae
(B) a and b only 20. Grinding and incising region are associated with which
mouth part of Periplaneta?
(C) a, b and c only
(A) Maxilla
(D) a, b, c and d
(B) Labium
14. Brood pouch in male cockroach is bounded by
(C) Mandible
(A) 9th and 10th terga dorsally and 9th sternum ventrally
(D) Hypopharynx
(B) 9th tergum dorsally and 9th and 10th sterna ventrally 21. The structures that are present at junction of foregut and
midgut in cockroach are named
(C) 7th, 8th and 9th sterna
(A) Malpighian tubules
th th th th
(D) 7 tergum dorsally and 7 , 8 and 9 sterna (B) Crop
ventrally
(C) Gastric caecae
15. Which of the following animals contain colourless
haemolymph with haemocytes without respiratory (D) Proventriculus
pigment?
22. Consider the following statements w.r.t cockroach
(A) Earthworm a. Potassium urate is the principal nitrogenous waste in
haemolymph.
(B) Cockroach b. Vas deferens opens into seminal vesicle through
(C) Frog ejaculatory duct in males
c. Three pairs of chitinous phallomeres surround the male
(D) Pigeon gonopore
16. Arrange the following structures of male frogs in correct d. Both ovaries contain a total of 8 ovarian tubules in
sequence based on the passage of sperms females
Choose the option that represents correct statement(s)
(A) Cloaca
only.
(B) Bidders canal
(C) Testes (A) a only
(D) Urinogenital duct
(E) Vasa efferentia (B) a and b only
Choose the correct option. (C) a, b and c only
(A) E – C – A – B – D (D) a, b, c and d
(B) A – C – D – B – E 23. The lymphatic system of frogs consists of
(C) E – C – D – B – A (a) Lymph
(b) Lymph channels
(D) C – E – B – D – A (c) Lymph nodes
17. Read the following statements carefully w.r.t. cockroach. Select the option with correct set.
a. The first pair of wings arises from prothorax and the (A) (a) and (b) only
second pair from mesothorax.
b. The hind wings are transparent and membranous. (B) (a) and (c) only
c. Tegmina are opaque, dark and leathery. (C) (a) only
d. Forewings are used in flight.
e. Anal styles are present only in males. (D) (a), (b) and (c)
Select the option with correct statements only.
24. Structures associated with alimentary canal but
(A) a and b responsible for removal of excretory products from
hemolymph in Periplaneta is/are
(B) b, c and d
(A) Hepatic caeca
(C) b, c and e
(B) Malpighian tubules
(D) a, d and e
(C) Gizzard
18. The development of Periplaneta americana is through
nymphal stages. Such type of development is called (D) Nephridia
(A) Holometabolous 25. In cockroach, which structure has an outer layer of thick
circular muscles and thick inner cuticle forming six highly
(B) Paurometabolous chitinous plate called teeth?
(C) Ametabolous
(A) Hepatic caeca
(D) Hemimetabolous
(B) Proventriculus
(C) Malpighian tubule
(D) Salivary gland
