Which of the following statements is not correct with respect to the epithelial tissue?

(1) It covers the external surface of the body and internal surface of many organs.

(2) The neighbouring cells are held together by cell junctions and there is very little extra cellular material.

(3) The epithelial cells rest on a cellular basement membrane that separates it from underlaying connective tissue.

(4) There is no blood vessel supplying the nutrients to the epithelial cells.

Concept Questions :-

Simple Epithelium
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When secretary granules leave cell by exocytosis with no loss of other cellular material, the glands are called

(1) Holocrine

(2) Merocrine

(3) Apocrine

(4) Autocrine

Concept Questions :-

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

(1) Macrophages

(2) Mast cells

(3) Fibroblasts

(4) Adipocytes

Concept Questions :-

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

(1) Basophils

(2) Mast cells

(3) Eosinophils

(4) Neutrophils

Concept Questions :-

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

(1) Prothoracic glands of male

(2) Prothoracic glands of female

(3) Colleterial glands of male

(4) Colleterial glands of female

Concept Questions :-

Cockroach: Female reproductive System
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Bipolar neurons are found in humans in:

(1) Brain

(2) Spinal cord

(3) Embryonic stages

(4) Olfactory epithelium

 

Concept Questions :-

Nervous Tissue
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Identify the incorrect statement:

(1) In both male and female cockroach, 8th and 9th tergites are mostly covered by the 7th

(2) Ventrally, the abdomen in cockroach has only 9 sternites  in males and 7 in females

(3) In female cockroach, the 7th sternite along with 8th and 9th forms gynatrium

(4) the anterior most part of the gynatrium is called the oothecal chamber

 

Concept Questions :-

Cockroach: Female reproductive System
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What is incorrect regarding Periplaneta americana?

(1) Excretion by malpighian tubules

(2) Hemolymph delivering oxygen to tissues

(3) Paurometabolous development

(4) Mosaic vision

Concept Questions :-

Cockroach: Circulatory System
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The type of caartilage present in the epiglottis, pinna and tip of the nose is:

(1) Elastic

(2) Hyaline

(3) Fibrous

(4) Calcified

Concept Questions :-

Connective Tissue
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Which of the following does not help in excretion in Periplaneta americana

1. Fat body

2. Urecose glands

3. Nephrocytes

4. None of these

Concept Questions :-

Cockroach: Excretory System
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