Histamine in blood is released by

  • Mast cells

  • Macrophages

  • Eosinophils

  • Basophils

Storage of fats is done by which type of cell in our body?

  • Loose connective tissue

  • Dense irregular connective tissue

  • Areolar tissue

  • Dense regular connective tissue

The heart receives blood from the sinuses through

  • Haemocoel

  • Alary muscles

  • Ostia

  • Aorta

Alary muscles play an important role in

  • Circulation of blood

  • Respiration

  • Body movement

  • Peristalsis

The most abundant and widely distributed tissue in the bodies of complex animals is:

  • Epithelium

  • Connective

  • Muscular

  • Neural

Large amoeboid cells, that are a part of our innate immune system, found in the areolar tissue are called as:

  • Macrophages

  • Mast cells

  • Fibroblasts

  • Adipocytes

The cells that release heparin and histamines in the blood are:

  • Basophils

  • Mast cells

  • Eosinophils

  • Neutrophils

In cockroach, the formation of ootheca is by the secretions of:

  • Prothoracic glands of male

  • Prothoracic glands of female

  • Colleterial glands of male

  • Colleterial glands of female

Bipolar neurons are found in humans in:

 

  • Brain

  • Spinal cord

  • Embryonic stages

  • Olfactory epithelium

What is incorrect regarding Periplaneta americana?

  • Excretion by malpighian tubules

  • Hemolymph delivering oxygen to tissues

  • Paurometabolous development

  • Mosaic vision

The type of cartilage present in the epiglottis, pinna and tip of the nose is:

  • Elastic

  • Hyaline

  • Fibrous

  • Calcified

Which of the following does not help in excretion in Periplaneta Americana?

  • Fat body

  • Urecose glands

  • Nephrocytes

  • None of these

Dense irregular connective tissue is present in:

  • Tendons

  • Ligaments

  • Skin

  • Cartilage

Epithelial cells are connected to basement membrane by

  • Tight junctions

  • Adherens Junctions

  • Desmosomes

  • Hemidesmosomes

The mouth part of cockroach shown in the given diagram acts as a/an:

  • Upper lip

  • Tongue

  • Lower lip

  • Uvula

Which type of animal tissue changes the diameter of a blood vessel?

  • Epithelium

  • Connective

  • Muscle

  • Neural

Match each item in Column I with one item in Column II regarding anatomy of cockroach and choose your answer from the codes given below :

 

Column I
(structure)

 

Column II
(abdominal segment)

I.

Testes

1.

2nd to 6th

II.

Ovaries

2.

4th to 6th

III.

Spermatheca

3.

6th

IV.

Mushroom gland

4.

6th-7th

 

 

I

II

III

IV

1.

1

2

3

4

2.

2

1

4

3

3.

2

1

3

4

4.

1

2

4

3

 
  • 1
  • 2
  • 3
  • 4

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of

  • ammonia

  • potassium urate

  • urea

  • calcium carbonate

Select the correct route for the passage of sperms in the male frogs.

  • Testis → Bidder's canal → Kidney → Vasa efferentia → Urinogenital duct → Cloaca

  • Testis → Vasa efferentia → Kidney → Seminal Vesicle → Urinogenital duct → Cloaca

  • Test → Vasa efferentia → Bidder's canal → Ureter → Cloaca

  • Testis → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca

Frog's heart when taken out of the body continues to beat for sometime.

Select the best option from the following statements.

I. Frog is a poikilotherm.

II. Frog does not have any coronary circulation.

III. Heart is "myogenic" in nature.

IV. Heart is autoexcitable.

  • Only III

  • Only IV

  • I and II

  • III and IV

In male cockroaches,  sperms are stored in which part of the reproductive system?

  • Seminal vesicles

  • Mushroom glands

  • Testes

  • Vas deferens

Smooth muscles are 

  • involuntary, fusiform, non-striated

  • voluntary, multinucleate, cylindrical

  • involuntary, cylindrical, striated

  • voluntary, spindle-shaped, uninucleate

Which of the following features is not present in Periplaneta americana?

  • Indeterminate and radial cleavage during embryonic development

  • Exoskeleton composed of N-acetylglucosamine

  • Metamerically segmented body

  • Schizocoelom as body cavity

The function of the gap junction is to 

  • performing cementing to keep neighbouring cells together

  • faciliate communication between adjoining cells by connecting the cytoplasm for rapid transfer of ions, small molecules and some large molecules

  • seperate two cells from each other

  • stop substance from leaking across a tissue

The terga sterna and pleura of cockroach body are joined by

  • arthrodial membrane

  • cementing glue

  • muscular issue

  • cartilage

Choose the corectly matched pair.

  • Tendon-Specialised connective tissue

  • Adipose tissue-Dense connective tissue

  • Areolar tissue-Loose connective tissue

  • Cartilage-Loose connective tissue

What external changes are visible after the last moult of a cockroach nymph?

  •   Mandible become harder

  •   Anal cerci develop

  •   Both fore wings and hind wings develop

  •   Labium develops

Select the correct statement from the ones given below with respect to Periplaneta americana.

 

  • Nervous system dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

  • Males bear a pair of short thread like anal styles

  • There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

  • Grinding of food is carried out only by the mouth parts

Which of the following is correctly states as it happens in the common cockroach?

  • Oxygen is transported by haemoglobin in blood

  • Nitrogenous excretory product is urea

  • The food is ground by mandibles and gizzard

  • malpighian tubules are excretory organs projecting out from tthe colon

The kind of epithelium which forms the inner walls of blood vessels is 

  • cuboidal epithelium

  • columnar epithelium

  • celiated columnar epithelium

  • squamous epithelium

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Practice Zoology Quiz Questions and Answers