Target DPP Test Contact Number: 9667591930 / 8527521718

1. Excretion in cockroach takes place by 7. Malpighian tubules have which type of cells?
(1) nephridium
(2) parotid gland (1) Glandular and ciliated
(3) coxal glands (2) Only Glandular
(4) malphighian tubules (3) Only ciliated
(4) Keratinised cells
2. Malpighian tubules of cockroach are lined by
which of the following cells ?
(1) Epithelial cells
(2) Ciliated cells 8. Alongwith Malpighian tubules which organs
(3) Ciliated and glandular cells help in excretion in Cockroach?
(4) Epithelial and glandular cells
(1) Fat body, Nephrocytes, gastric caeca
(2) Nephrocytes, Urecose gland
3. Due to the type of excretion performed by
(3) Fat body, Nephrocytes, Urecose gland
malpighian tubules, cockroach is :
(4) Urecose gland and fat body
(1) Ammonotelic
(2) Uricotelic
(3) Usually ammonotelic but uricotelic in
unfavourable conditions 9. Mark the incorrect match related to the
(4) Ureotelic cockroach:
1. Gizzard → Grinding the food particle.
4. Which among the following is not involved in
Absorb uric acid from
excretion in cockroach ? Malpighian
2. → haemolymph and excreted
(1) Malpighian tubules tubule
out through the hindgut.
(2) Fat bodies
(3) Nephrocytes and urecose glands Opaque, dark and leathery
(4) Non- ciliated columnar cells of Malpighian 3. Tegmina → structure and cover the
tubules hind wing when at rest.
Formation of ootheca after
Collateral
5. Malpighian tubules in cockroach absorb 4. → fertilization in the female
gland
nitrogenous waste products and convert them genital pouch.
into _________ which is excreted out through the
___________.
A and B in above statement respectively are : 10. Which of the following does not help in
(1) Ammonia, hindgut excretion in Periplaneta americana
(2) Ammonia, midgut 1. Fat body
(3) Uric acid, midgut 2. Uricose glands
(4) Uric acid, hindgut 3. Nephrocytes
4. None of these
6. Malpighian tubules of cockroach is
11. Hindgut in cockroach is
(1) At the junction of midgut and hindgut 1. Broder than midgut
(2) Thin filamentous 2. Has two parts ileum and rectum
(3) Another ring of 200-250 3. Rectum opens into blind sac
(4) Not all but any two are correct 4. More than one option is correct

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 Target DPP Test Contact Number: 9667591930 / 8527521718

12. Mark the incorrect statement regarding the 18. Identify the incorrectly matched pair:
Malpighian tubule in cockroach: Structure in cockroach Number
1. It is present at the junction of the midgut and 1. Hepatic caeca 6-8
hindgut. 2. Malpighian tubules 100-150
2. It is lined by glandular and ciliated cells. 3. Ommatidia in one compound About
3. It absorbs uric acid from the hemolymph. eye 2000
4. It is about 100-150 in number and is a thin 4. Spiracles 12 pairs
yellow filamentous tubule.

13. Which of the following is correct with

respect to cockroach? 19. In cockroach:
a. Internally mesenteron is lined with cuticle I. The entire midgut is lined by cuticle.
b. In abdomen eight pair of spiracles are II. Malpighian tubule is lined by glandular
present and ciliated cells.
c. All sperms of seminal vesicle are glued 1. Only I is correct
together into spermatophore 2. Only II is correct
d. Malphigian tubules are present at the 3. Both I and II are correct
junction of midgut and hindgut 4. Both I and II are incorrect
1. a, b & c
2. a & b
3. b & d 20. In cockroach:
4. b, c & d I. the entire foregut is lined by cuticle
II. haemolymph is composed of colourless
14. Which of the following structures are also plasma and haemocytes
associated with excretion in cockroach? III. opening of spiracles is regulated by the
(1) Fat bodies sphincters
(2) Urecose glands IV. fat body, nephrocyte and urecose glands
(3) Nephrocytes help in excretion
(4) All of these 1. Only I and II are correct
2. Only II, III and IV are correct
15. Malpighian tubule are lined by 3. Only II and III are correct
1. Glandular epithelium with ciliated cells 4. I, II, III and IV are correct
2. Simple epithelium and non-ciliated cells
3. Cutinised epithelium
4. Simple squamous epithelium 21. Which of the following structures in
Cockroach is not correctly matched with its
16. Select the correct option with respect to function/description?
cockroaches Malpighian Excretion and
1. The fore wings are tegmina which are used 1. tubules osmoregulation
in flight Blood vascular Delivery of oxygen to the
2. Malpighian tubules convert nitrogenous 2. system tissues
wastes into urea
3. Crop Stores food
3. Males bear short anal styles not present in
females Grinding of the food
4. Gizzard
4. Nervous system comprises of a dorsal nerve particles
cord and ten pairs of ganglion

17. Nitrogenous wastes are absorbed and

converted to uric acid in cockroach by:
1. Nephridia 2. Malpighian tubules
3. Fat body 4. Mushroom gland

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 Target DPP Test Contact Number: 9667591930 / 8527521718

22. In cockroach: 26. Assertion (A): Cockroaches are treated as

Malpighian tubules are lined by glandular pests.
I: Reason (R): They spoil food and contaminate it
and ciliated cells.
Uric acid is the nitrogenous metabolic with their smelly excreta.
II: 1. Both (A) and (R) are true and (R) is the
excretory product.
correct explanation of (A).
Fat body, nephrocytes and urecose glands
III: 2. Both (A) and (R) are true, but (R) is not the
also help in excretion.
correct explanation of (A).
3. (A) is true, but (R) is false.
1. Only II is correct 4. (A) is false, but (R) is true.
2. Only I and II are correct
3. Only II and III are correct 27. Malpighian tubules in cockroaches:
4. I, II and III are correct are a ring of 6-8 blind tubules
Statement I: present at the junction of foregut
and midgut.
23. Match List-I with List-II regarding the play an important role in
organs of cockroach: Statement II: excretion but no role in
List I List II osmoregulation.
grinding the food
(a) Crop (i)
particles Statement I is incorrect; Statement II is
1.
secretion of digestive incorrect
(b) Proventriculus (ii)
juice Statement I is incorrect; Statement II is
2.
removal of correct
(c) Hepatic caecae (iii)
nitrogenous waste Statement I is correct; Statement II is
3.
Malpighian correct
(d) (iv) storage of food
tubules Statement I is correct; Statement II is
4.
Choose the correct answer from the options incorrect
given below:
(a) (b) (c) (d)
1. (iv) (i) (ii) (iii) 28. In cockroach, excretion is brought about by:
2. (iii) (ii) (i) (iv) A. Phallic gland
3. (ii) (iv) (i) (iii) B. Urecose gland
4. (i) (iv) (iii) (ii) C. Nephrocytes
D. Fat body
E. Collaterial glands
24. Excretion in cockroach is performed by all,
EXCEPT : Choose the correct answer from the options
1. Uricose glands given below:
2. Malpighian tubules 1. B and D only 2. A and E only
3. Fat body 3. A, B and E only 4. B, C and D only
4. Hepatic caeca

25. Malpighian tubules in cockroach are

present at the junction of ___A_____ and
____B______ and are ____C______ in number.
Choose the option that correctly fills the blanks.
(A) (B) (C)
1. Foregut Midgut 6-8
2. Midgut Hindgut 100-150
3. Foregut Midgut 100-150
4. Foregut Hindgut 6-8

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 Target DPP Test Contact Number: 9667591930 / 8527521718

29. How many of the given statements are

correct regarding cockroach?
10 pairs of small holes called spiracles are
I:
present on the lateral side of the body.
Excretion is performed by malpighian
II:
tubules.
In the head region, the brain is represented
III:
by supra-oesophageal ganglion.
Each compound eye consists of about 20
IV:
rectangular ommatidia.
1. 1
2. 2
3. 3
4. 4

30. What structures are used for excretion and

osmoregulation in Periplaneta americana?
1. Protonephridia 2. Nephridia
3. Malpighian tubules 4. Antennal glands

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