Match the following cell structure with its characteristic feature :

a. Tight junctions               (i) Cement neighbouring cells together to form sheet

b. Adhering junctions         (ii) Transmit information through chemicals to another cells

c. Gap junctions                (iii) Establish a barrier to prevent leakage of fluid across epithelial cells

d. Synaptic junctions         (iv) Cytoplasmic channels to facilitate communication between adjacent cells

Select correct option from the following :
  •  (a)-(ii), (b)-(iv), (c)-(i), (d)-(iii)
  •  (a)-(iv), (b )-(ii), (c)-(i), (d)-(iii)
  • (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
  •  (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

Which of the following statements is INCORRECT ?

  •  Cockroaches exhibit mosaic vision with less sensitivity and more resolution

  • A mushroom-shaped gland is present in the 6th-7th abdominal segments of male

  •  A pair of spermatheca is present in the 6th segment of female cockroach

  •  Female cockroach possesses sixteen ovarioles in the ovaries.

Cuboidal epithelium with brush border of microvilli is found in :

  • Ducts of salivary glands

  •  Proximal convoluted tubule of nephron 

  • Eustachian tube

  • Lining of intestine

Goblet cells of alimentary canal are modified from:

  • Columnar epithelial cells

  • Chondrocytes

  • Compound epithelial cells

  • Squamous epithelial cells

If the head of cockroach is removed, it may live for few days because:

  • The cockroach does not have nervous system

  • The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body

  • The head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body

  • The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

The most abundant type of loose connective tissue is

  • Areolar tissue

  • Cartilage

  • Tendon

  • Bone

Match the column I and column II w.r.t. types of epithelial tissue and their function.

            Column-I                                      Column-II

a. Glandular epithelium                      (i) Secretes hormones and milk

b. Squamous                                   (ii) Forms a diffusion epithelium boundary

c. Columnar epithelium                      (iii) Helps in secretion and absorption

d. Ciliated epithelium                         (iv) Responsible for movement of ova and mucus

Choose the correct option.

  • a(i), b(ii), c(iii), d(iv)

  • a(ii), b(iii), c(iv), d(i)

  • a(iii), b(iv), c(i), d(ii)

  • a(iv), b(i), c(ii), d(iii)

Exoskeleton of each segment in cockroach consists 

  • Dorsal tergum and a ventral sternum

  • Dorsal sternum and a ventral tergum

  • Sternum only

  • Tergum only

Which of the following mouth part act as tongue in cockraoch?

  • Labium

  • Hypopharynx

  • Maxillae

  • Labrum

Hind wings in cockroach arises from

  • Prothorax

  • Mesothorax

  • Metathorax

  • Pronotum

Fore wings in cockroach arises from

  • Hypopharynx

  • Metathorax

  • Mesothorax

  • Prothorax

In cockroach, foregut comprises of

  • Pharynx, oesophagus, crop and gizzard

  • Mesenteron, crop and gizzard

  • lleum, colon and rectum

  • Pharynx, oesophagus and rectum

Hepatic caecae are found at the junction of

  • Midgut and hindgut

  • Crop and gizzard

  • Midgut and gizzard

  • Midgut and ileum

In cockroach, spiracles are present on the

  • Dorsal side of the body

  • Ventral side of the body

  • Lateral side of the body

  • Anterior region of body

Thin tubes that carry oxygen from the air to all the parts in cockroach constitute

  • Tracheal system

  • Haemolymph

  • Lungs

  • Gills

In cockroach, eye consists of visual units called

  • Ostia

  • Ommatidia

  • Gonapophyses

  • Spiracles

External genitalia in cockroach consist of small Irregular chitinous plates known as

  • Seminal vesicles

  • Collaterial gland

  • Phallomeres

  • Abdominal sclerites

Number of pairs of spiracles in Periplaneta americana is

  • Ten

  • Twenty

  • Eight

  • Six

Number of eggs contained in an ootheca of cockroach is

  • 8

  • 16

  • 32

  • 4

In cockroach, food is crushed into fine particles inside

  • Midgut

  • Colon

  • Gizzard

  • Pharynx

In cockroach, oesophagus continues into the

  • Gizzard

  • Crop

  • lleum

  • Mesenteron

Which of the foliowing structure is present only in male cockroach?

  • Anal cerci, Pair of jointed filamentous structure which arise from 10th segment

  • A pair of short thread like anal styles

  • Arthrodial membrane

  • Chitinous exoskeleton

In cockroach the wings that help in flying are

  • Fore wings

  • Mesothoracic wings

  • The hind wings which are transparent and membranous

  • Tegmina

Mark the false statement w.r.t. the reproductive system of female cockroach (Periplaneta americana)

  • Pair of spermatheca present in the 6 th segment

  • Two large ovaries lying laterally in the 2nd - 6th abdominal segments

  • Each ootheca contains 9-10 eggs

  • The nymph grows by moulting about 13 times to reach the adult form

Which mouth part of cockroach acts as upper lip?

  • Labium

  • Labrum

  • First maxilla

  • Hypopharynx

The central nervous system of cockroach includes

  • Brain and ganglionated dorsal nerve cord

  • Brain and ganglionated ventral nerve cord

  • Brain and hollow nerve cord

  • Dorsal solid nerve cord only

Sense organs of cockroach include

  • Compound eyes

  • Johnston's organ

  • Osphradium

  • Spiracles

Which one of the following is the true description about an animal concerned?
  •   Cockroach – 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
  •   Earthworm – The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
  •   Frog – Body divisible into three regions -head, neck and trunk
  •   Rat – Left kidney is slightly higher in position than the right one

In cockroach, identify the parts of the foregut in correct sequence:-

  • Mouth → Oesophagus → Pharynx → Crop → Gizzard

  • Mouth → Crop → Pharynx → Oesophagus → Gizzard

  • Mouth → Gizzard → Crop → Pharynx → Oesophagus

  • Mouth → Pharynx → Oesophagus → Crop → Gizzard

Match the following columns with reference to cockroach and select the correct option :

        Column - I            Column - II

(a) Grinding of            (i) Hepatic caeca the food particles

(b) Secrete gastric      (ii) 10th segment juice

(c) 10 pairs                (iii) Proventriculus

(d) Anal cerci             (iv) Spiracles

                                (v) Alary muscles

  • (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

  • (a)-(iv), (b)-(iii), (c)-(v), (d)-(ii)

  • (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)

  • (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

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Practice Zoology Quiz Questions and Answers