Mark the Incorrect statement
(1) Malpighian tubules of cockroach help in excretion
(2) Fat bodies of cockroach do not help in excretion
(3) Nephrocytes help in excretion
(4) Cockroach has 13 chambered tubular and dorsal heart
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
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
In male cockroach, anal styles arise from
(1) 7th abdominal segment
(2) 9th abdominal segment
(3) 10th abdominal segment
(4) 4th & 5th abdominal segment
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
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)
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
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 |
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 |
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