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ZOOLOGY > STRUCTURAL ORGANISATION IN ANIMALS > Flashcards

STRUCTURAL ORGANISATION IN ANIMALS Flashcards

1
Q

NAME THE DIFFERENT PHYLUM IN WHICH MULTICELLULAR ORGANISM ARE CLASSIFIED IN?

A
  1. PORIFERA
  2. CNIDERIA
  3. CTENOPHORA
  4. PLATYHELMINTHES
  5. ASHELMINTHES
  6. ANNELIDA
  7. ARTHROPODA
  8. MULLOSCA
  9. ECHINODERMATA
  10. HEMICHORDATA
  11. CHORDATA
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2
Q

WHICH IS THE SMALLEST PHYLUM?

A

CTENOPHORA

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3
Q

WHICH IS THE LARGEST PHYLUM?

A

ARTHROPODA

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4
Q

NAME THE PHYLA THAT CONTAINS ONLY MARINE MEMBERS?

A

CTENOPHORA, ECHINODERMATA, HEMICHORDATA.

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5
Q

WHICH OF THE FOLLOWING GIVEN TAXON HAS FRESHWATER AS WELL AS MARINE MEMBERS?
(a) HEMICHORDATA
(b) CTENOPHORA
(c) CNIDERIA
(d) ECHINODERMATA

A

(c) CNIDERIA

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6
Q

WHAT IS MATRIX IN TISSUE?

A

INTERCELLULAR CONTENT DISCHARGED BY THE SAME CELL, EXCEPT FLUID CONNECTIVE TISSUE.

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7
Q

Who coined the term tissue?

A

Bischat

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8
Q

What is a tissue?

A

The tissue can be defined as a group of cells having similar structure, function as well as origin.

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9
Q

The matrix of a tissue is living in nature. True or false.

A

False the matrix of a tissue is non living in nature.

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10
Q

What is the function of a matrix in the tissue.

A

It acts as exchange medium for the Cell of tissue.

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11
Q

All type of tissue have the same chemical composition and amount of matrix. true or false.

A

False, chemical composition and amount of matrix is variable.

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12
Q

Are all ECF (extra cellular fluid) matrix.

A

No e c f is not always matrix rather than it may be tissue fluid.

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13
Q

Tissue grade level organisation’s for the first time appeared in which of the following phylum?
A. Porifera
B. Arthropods
C. Cnideria
D. Annelida

A

C. Cnideria

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14
Q

Division of labour’s started in which phylum?

A

Cnideria

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15
Q

What is the another name of epithelial tissue?Also state the origin of epithelial tissue.

A

Covering and lining tissue.
Origin: ectodermal, mesodermal, endodermal.

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16
Q

What is the another name of connective tissue?Also estate the origin of connective tissue.

A

The another name of connective tissue is connecting and supporting tissue.
Origin is misodermal.

17
Q

What is the another name of muscular tissue?Also state the origin of muscular tissue.

A

The another name of muscle tissue is contractial tissue.
Mostly mesodermal EXCEPT, IRIS AND CILLIARY MUSCLE. THEY ARE ECTODERMAL.

18
Q

What is the another name of neural tissue?Also a state it’s origin.

A

Conducting and responding tissue.
Mostly ectodermal EXCEPT MICROGLIOCYTE. IT IS MESODERMAL.

19
Q

What is epithelial tissue?

A

Epi- upon
Thelio- to grow.
This tissue appears as body covering in the lining of body cavity and places inside body wear absorption, diffusion, filtration, friction as well as well as secretion occurs.

20
Q

How are cells arranged in epithelial tissue?

A

Cells remain compactly arranged.

21
Q

Tissue matrix is present in epithelial tissue, true or false?

A

False matrix is either little or absent in epithelial tissue.

22
Q

Which epithelial tissue does not rest on a basement membrane?

A

Transitional epithelial.

23
Q

Basement membrane is non cellular, true or false.

A

True, basement membrane is non cellular or acellular.

24
Q

What is basement membrane formed by?

A

Basement membrane is formed by same epithelial and underlying tissue.
Same epithelial- Basel lamina (mucopolysacride, glycoprotien)

Underlying tissue- fibrous lamina (protein)

25
Q

What is the function of basement membrane?

A

It allows the movement of material between epithelium and underlying tissue.

26
Q

What are the different types of junctions through which epithelial cells remain connected?

A

A. Tight junction- prevents the leaking of material across the cell membrane.
B. Gap junction
C. Adhering junction- provides Anchorage function.

27
Q

What is gap Junction?

A

It allows the movement of materials like ions, small molecules and sometimes big molecules between adjacent cell.

28
Q

Which of the following is uncommon to epithelial:
A. Cells
B. Metabolism
C. Capillary
D. Growth

A

C. Capillary because epithelial doesn’t contain blood vessels EXCEPT INNER EAR EPITHELIAL.

29
Q

In which type of epithelial tissue cells are arranged in one layer?

A

Simple epithelial

30
Q

What is the location of simple epithelial tissue?

A

In the coelom (body cavity) and places where diffusion, filtration, friction, absorption, etc. occur.

ZOOLOGY (9 decks)

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