Structural Organisation in Animals - Zoom Session

1.

Specialised junctions between epithelial cells which help to stop substances from leaking across the tissue is

1.	Tight junction	2.	Interdigitations
3.	Gap junctions	4.	Desmosomes

2.

Anal cerci are paired, jointed outgrowth found in cockroach. These arise from
1. $9^{t h}$ sternum
2. $10^{t h}$ tergum
3. $9^{t h}$ tergum
4. $8^{t h}$ tergum

3.

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

4.

Mark the incorrect statement with respect to head of cockroach

1.	Head is triangular in shape and lies anteriorly at right angle to the longitudinal body axis
2.	Formed by fusion by six segments and shown great mobility in all directions due to flexible neck
3.	First basal podomere of antennae is smallest and is called pedicel which articulates with antennae socket
4.	On each lateral side it bears a large and blackish compound eye

5.

On an average female cockroach produce ________ oothecae, each containing ________ eggs.

1.	9-10, 14-16	2.	14-16, 9-10
3.	2-4, 10-12	4.	6-8, 8-10

6.

Tegmina arises from

1.	Prothorax
2.	Mesothorax
3.	Metathorax
4.	Neck region between head and thorax

7.

Dense irregular connective tissue with fibroblasts and many fibres (mostly collagen) that are oriented irregularly are found in
1. Tendon
2. Ligament
3. Dermis of skin
4. Blood

8.

Which of the following statement is correct with reference to the cockroach eye?
1. Both eyes together consist of about 2000 hexagonal ommatidia
2. Its vision has more sensitivity but less resolution
3. Mosaic vision is not found due to diurnal habit
4. Compound eyes are situated at the vertex region of the head

9.

Which of the following is incorrect?
1. White adipose tissue - Adipocytes with single large fat droplet
2. Areolar tissue - Loose connective tissue
3. Fibroblasts cell - Synthesis of collagen
4. Dense connective tissue - Bone, cartilage, lymph

10.

Which of the following statement is incorrect with respect to cockroach?

1.	Head of cockroach is hypognathous and is formed by the fusion of six segments
2.	A pair of wings which arise from mesothorax are thick and leathery
3.	Body of cockroach is covered with a thick, hard, chitinous cuticle
4.	The $9^{t h}$ segment of male and female cockroach bear anal style

11.

The epithelium shown in the following figure is ___________. They are mainly present in the inner surface of hollow organs like ___________

1. Ciliated cuboidal, neck of nephron
2. Ciliated columnar, trachea, loop of Henle
3. Ciliated columnar, bronchioles and fallopian tubes
4. Pseudostratified trachea columnar, trachea and large bronchi

12.

Which of the following statement is not true with respect to Periplaneta?

1.	The gizzard part of alimentary canal has an outer layer of thick longitudinal muscles and inner thin cuticle forming six highly chitinous plates called teeth
2.	The hindgut is broader than midgut and is differentiated into ileum, colon and rectum
3.	If the head of cockroach is cut off, it will still live for as long as one week
4.	Each Malpighian tubule is lined by glandular and ciliated cells. These are located at the junction between midgut and hindgut

13.

Loose connective tissue has cells and fibres loosely arranged in a semifluid ground substance. Which of the following can be taken as an example of it?

1.	Areolar tissue	2.	Cartilage
3.	Adipose tissue	4.	Both (1) and (3)

14.

Mark the connective tissue which is without fibres and matrix is not secreted by its cellular component
1. Areolar tissue
2. Adipose tissue
3. Blood
4. Cartilage

15.

Select the correct match

Column-I	Column-II
a. Ciliated epithelium	(i) Protection
b. Compound epithelium	(ii) Secretion and absorption
c. Columnar epithelium	(iii) To maintain a flow of mucus or liquid in one direction

(1) a(ii), b(iii), c(i)
(2) a(ii), b(i), c(iii)
(3) a(i), b(iii), c(ii)
(4) a(iii), b(i), c(ii)

16.

Areolar tissue contains secretory cells which secrete the fibres and other components of matrix. Such cells are

1.	Fibroblasts	2.	Macrophages
3.	Mast cells	4.	Fibrocytes

17.

Neuroglia makes more than _________ of the volume of neural tissue in our body.
1. 10%
2. 50%
3. 25%
4. 20%

18.

Which of the following epithelium covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and of pancreatic ducts?
1. Pseudostratified epithelium
2. Simple cuboidal epithelium
3. Compound epithelium
4. Transitional epithelium

19.

Which of the following is an example of loose connective tissues having cells and fibres loosely arranged in a semifluid ground substance and present beneath skin, often serving as support framework for epithelium?

1.	Fibrous connective tissue
2.	Areolar connective tissue
3.	Adipose connective tissue
4.	Mucoid connective tissue

20.

In male cockroach, anal styles arise from

1.	7^th abdominal segment
2.	9^th abdominal segment
3.	10^th abdominal segment
4.	4^th & 5^th abdominal segment

21.

Mark the statement that is incorrect for central nervous system of cockroach

1.	In the head region, the brain is represented by Supraesophageal ganglia which supply nerves to antennae and compound eyes
2.	If the head of the cockroach is cut off, it will die immediately as the head holds a large part of the nervous system
3.	The sub oesophageal ganglion supplies nerves to labium, maxilla and mandibles
4.	Double ventral nerve cord of cockroach contains three thoracic and six abdominal ganglia

22.

Match the following

	Column - I		Column - II
a.	Squamous epithelium	(i)	Protection against chemical and mechanical stresses
b.	Cuboidal epithelium	(ii)	Movement of particle in a specific direction
c.	Compound epithelium	(iii)	Formation of diffusion boundary
d.	Ciliated epithelium	(iv)	Secretion and absorption

1. a(i), b(iv), c(ii), d(iii)
2. a(iii), b(iv), c(i), d(ii)
3. a(ii), b(i), c(iii), d(iv)
4. a(iv), b(i), c(iii), d(ii)

23.

Digestive system of cockroach is not characterised by

1.	A muscular gizzard provided with six cuticular teeth in armarium
2.	Presence of twenty blind glandular hepatic caeca at posterior end of mesenteron
3.	Presence of six rectal papillae helping in absorption of water and salts
4.	Presence of cuticular lining in foregut and hind gut

24.

Following are four statements A to D. Choose the option which includes a set of correct statements

A.	In Periplaneta, males bear a pair of short, thread like anal styles which are absent in females
B.	In both sexes of Periplaneta, the 10th segment bears a pair of jointed filamentous structures called anal cerci
C.	In cockroach mesothoracic wings (fore wings) are transparent, membranous and are used in flight
D.	In female cockroach, there is a pair of mushroom glands

Options:
1. A & C
2. B & C
3. A & B
4. C & D

25.

Which of the following provides structural and functional link between the individual cells in epithelial tissues?

1.	Extracellular fluid which binds the various cells in the tissue together
2.	Cell junctions
3.	Connective tissue
4.	Basement membrane

26.

Which of the following is mismatched?

1.	Squamous epithelium: Walls of blood capillaries and alveoli of lungs
2.	Cuboidal epithelium: Tubular part of nephrons
3.	Ciliated epithelium: Bronchioles, fallopian tubes
4.	Columnar epithelium: Walls of blood vessels

27.

The following diagram shows blood vascular system of cockroach with certain labelled parts a, b & c. Which of the following statements is/are incorrect regarding this system?

A.	The blood vascular system of cockroach is of open type with well developed blood vessels which open into space (haemocoel).
B.	The haemolymph is composed of colourless plasma and haemocytes.
C.	The labelled part 'a' represents anterior aorta emerging from first chamber of heart bearing ostia on either side.

1. C only
2. B & C
3. A only
4. All of the above statements are correct

28.

Consider the following statements A, B, C & D with certain blanks. Find the option which correctly fills up these blanks

A.	The ootheca of cockroach is about __(i)____ long.
B.	The development of P americana is ___(ii)___, meaning there is development through ___(iii)____ stage.
C.	In the head region of cockroach, the brain is represented by ___(iv)___ ganglion, which supplies nerves to antennae and ____(v)___.
D.	The respiratory system of cockroach consists of a network of trachea, that opens through ____(vi)____ of small holes called spiracles present on the ____(vii)____ side of the body.

1. A - (i) 3 mm

B - (ii) Paurometabolous
(iii) Nymphal
C - (iv) Supra-oesophageal
(v) compound eyes
2. B-(ii) Paurometabolous
C-(iv) Supra-oesophageal
(v) wings
D -(vi) 10 pairs
(vii) Lateral
3. A - (i) 8 mm
C - (iv) Sub-oesophageal
(v) Compound eyes
D - (vi) 10 pairs
(vii) Dorsal
4. A - (i) 8 mm
B - (ii) Paurometabolous
(iii) Nymphal
C - (iv) Supra-oesophageal
(v) compound eyes
D - (vi) 10 pairs
(vii) Lateral

29.

Given below is a diagrammatic representation of a glandular tissue

Identify the structure labelled as 'A' and choose the correct option with respect to its example.

1.	Gastric gland	2.	Goblet cells
3.	Oxyntic cells	4.	Sebaceous gland

30.

Which of the following is not a correct statement for neuroglial cell?

1.	Neuroglial cells make up more than one half the volume of neural tissue in our body
2.	It protects and supports the neurons
3.	When this cell is suitably stimulated, an electrical disturbance is generated which swiftly travels along its plasma membrane
4.	All the above options are correct

31.

Given below is a diagrammatic representation of alimentary canal of cockroach.
Choose the option which is not correct with respect to the function of labelled structure A, B, C and D

1.	Oesophagus opens into a sac like structure labelled as A used for storing of food.
2.	B helps in grinding of food because it have an outer thick cuticular layer and inner muscular layer.
3.	C is present at the junction of foregut and midgut and secretes digestive juice.
4.	D helps in removal of excretory product from haemolymph.

32.

Brush bordered cuboidal epithelium is present in
1. Proximal convoluted tubules
2. Small intestine
3. Lining of stomach
4. Smaller ducts of pancreas

33.

Which of the following statements is incorrect w.rt. cockroach?

1.	In both sexes, the 10th segment of abdomen bears a pair of jointed filamentous structures called anal cerci.
2.	Hind wings are transparent and are used in flight.
3.	Gizzard has inner layer of thick circular muscles and thick outer layer of cuticle which forms six chitinous plates called teeth.
4.	Haemolymph is composed of colourless plasma and haemocytes.

34.

This epithelial tissue is found in ducts of glands and tubular parts of nephrons in kidneys. Its main functions are secretion and absorption. choose the correct option

1.	simple epithelium
2.	Simple cuboidal epithelium
3.	Simple columnar epithelium
4.	Ciliated epithelium

35.

Following is the diagram of mouth parts of cockroach

Which of the following labelled structures will help in grinding and chewing of food?

1.	A & D	2.	B & C
3.	A & C	4.	D & E

36.

Following is the diagram of different types of muscle tissue

Select the option which is correct identification of muscle tissue and its location

	A	B	C
1.	Cardiac muscle in heart	Smooth muscle in wall of blood vessels	Skeletal muscle in arm
2.	Skeletal muscle in arm	Smooth muscle in thigh	Cardiac muscle in heart
3.	Skeletal muscle in thigh	Smooth muscle in wall of stomach	Cardiac muscle in heart
4.	Cardiac muscle in heart	Smooth muscle in thigh	Skeletal muscle in arm

37.

Which of the following structures are also associated with excretion in cockroach?

1.	Fat bodies	2.	Urecose glands
3.	Nephrocytes	4.	All of these

38.

Choose the correct option with respect to the location of this tissue

1.	In ducts of glands
2.	In tubular part of kidney
3.	In the inner surface of hollow organs like bronchioles and fallopian tubes
4.	In the walls of blood vessels and air sacs of lung

39.

ln the given diagram a, b, c and correctly represented as

1.	Macrophage, fibroblast, collagen fibres, mast cells
2.	Adipocytes, fibroblast, collagen fibres, mast cells
3.	Marcophage, fibroblast, collagen fibres, plasma cells
4.	Plasma cells, fibroblast, collagen fibres, mast cells

40.

Mark the correct statement with respect to cockroach

1.	Haemolymph is composed of colourless plasma and erythrocytes
2.	All the spiracles are always open in cockroach
3.	Haemolymph enters heart through ostia and is pumped from posterior to anterior direction
4.	Haemolymph has no role in transportation of nutrients and metabolic wastes

41.

Following is diagrammatic representation of female
reproductive system of cockroach.

Find the right marking and function performed by
that part
1. A $-$ Conglobate gland $-$ Converting of sperm
B $-$ Spermatheca $-$ Storage of sperm
2. A $-$ Phallomere $-$ Covering around egg
B $-$ Titillator $-$ Opening of spermatophore
3. A $-$ Vestibule $-$ Place to store fertilized eggs
B $-$ Spermatophore $-$ Storage of sperms
4. A $-$ Collaterial gland $-$ From the wall of ootheca
B $-$ Spermatheca $-$ Storage of sperms in female

42.

Match the following with respect to cockroach

	Column l		Column lI
a.	Ovaries	(i)	4^th - 6^th segment
b.	Mushroom gland	(ii)	2^nd - 6^th segment
c.	Testis	(iii)	14^th- 16^th segment
d.	Ootheca number	(iv)	6^th - 7^th segment
		(v)	9 - 10

1. a(ii), b(iv), c(i), d(v)
2. a(ii), b(iv), c(i), d(iii)
3. a(i), b(iii), c(ii), d(v)
4. a(iii), b(ii), c(i), d(iv)

43.

Brood or genital pouch in female cockroach is
made by
1. $8^{th}, 9^{th} and 10^{th}$ tergum
2. $7^{th}$ saternum only
3. $7^{th}$ , $8^{th} and 9^{th}$ sternum
4. $7^{th}$ sternum, $8^{th} and 9^{th}$ tergum

44.

The epithelium that covers the dry surface of skin,
the moist surface of buccal cavity, pharynx, inner
lining of large ducts of salivary glands and of
pancreatic ducts is

1.	More stretchable
2.	Involved in formation of a diffusion barrier
3.	Found in the walls of blood vessels also
4.	To provide protection against chemical also mechanical stresses

45.

Visual units that compose the compound eyes of
insects are called

1.	Osphradia	2.	Ommatidia
3.	Onchospheres	4.	Odontophore

46.

Choose the correct option, pairing the principal cell with the tissue

1.	Mast cell	-	Adipose tissue
2.	Fibroblasts	-	Areolar tissue
3.	Macrophages	-	Tendon
4.	Chondroclasts	-	Bone

47.

The following are excretory structures in cockroach, except

1.	Nephrocytes	2.	Urecose glands
3.	Fat body	4.	Conglobate gland

48.

Following is the diagrammatic representation of dense connective tissue, with irregular arrangement of fibres

Mark the option in which this category does not exist?
1. skin
2. Perichondrium
3. Tendons
4. Periosteum

Fill OMR Sheet*

*If above link doesn't work, please go to test link from where you got the pdf and fill OMR from there

CLICK HERE to get FREE ACCESS for 2 days of ANY NEETprep course

Please be patient as the PDF generation may take up to a minute.

Fill OMR Sheet*