9th Standard Syllabus & Materials
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Published on: 12/10/2019
Organization of Tissues
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Questions + Answers key
Take MCQ Science Test1.
Name the tissue present in the brain.
2.
Name the connective tissue with a fluid matrix.
3.
Name the tissue that connects muscle to bone in humans.
4.
Give two types of Sclerenchyma.
5.
Give the sequence of the events occurring during prophase of mitosis.
6.
Which tissue is called middleman between tissue cells and blood? Why?
7.
What are the fibres present in the matrix of loose connective tissue?
8.
Differentiate fibres from sclereids.
9.
List out the differences between mitosis and meiosis.
10.
Which are not true cells in the blood? Why?
11.
Trachieds
12.
Companion cell
13.
Simple tissue
14.
Chloroplast
15.
Sclereids
16.
Tendon connects
cartilage with muscles
bone with muscles
ligament with muscles
bone with bone
17.
Smooth muscles occur in
uterus
artery
vein
all of the above
18.
Unstriated muscles are found in
blood vessels
gastrointestinal tract
urinary bladder
all of these
19.
Aerenchyma is found in
epiphytes
hydrophytes
halophytes
xerophytes
20.
The tissue composed of living thin walled polyhedral cell is
Parenchyma
Collenchyma
Sclerenchyma
None of above
21.
Humans have 46 chromosomes. Their sperms and eggs will have ____________chromosomes each.
22.
The two types of skeletal connective tissues are_______and_______
23.
Epithelial cells with cilia are found in __________of our body
24.
Parenchyma, collenchyma, sclerenchyma are_______type of tissue
25.
The___________ tissues are made up of more than one type of cells and these wok together as a unit
26.
Glandular epithelium gives a stratified appearance.
27.
Movement of food in alimentary canal is because of cardiac muscles.
28.
Vessels are found in collenchyma.
29.
Striated and non- striated tissues are types of epithelial tissues.
30.
Epithelial tissue is protective tissue in animal body
1.
Nervous tissue
2.
Blood and lymph
3.
Tendons join skeletal muscles to bones in our body
4.
Sclerenchyma cells are grouped into (a) fibres and (b) sclereids.
5.
(i) During this stage chromosomes become short and thick and are clearly visible inside the nucleus.
(ii) Centrosome splits into two daughter centrioles, they move apart and occupy opposite poles of the cell.
(iii) Each centriole is surrounded by radiating rays, termed as aster rays. Spindle fibres appear between the two centrioles.
(iv) Nuclear membrane and nucleolus disappear gradually
6.
Lymph is a colourless fluid filtered out of the blood capillaries. It consists of plasma and white blood cells. It mainly helps in the exchange of materials between blood and tissue fluids. Therefore it is called as middle man between tissue cells and blood.
7.
Loose connective tissue includes the areolar tissue and adipose tissue. The matrix consists of collagen fibres, elastin fibres and fibroblast cells.
8.
| Sclereids | Fibres |
| Usually broad | Elongated narrow thread like |
| End walls blunt | End walls tapering |
| Occur singly | Occur in bundles |
| Deep pits | Narrow pits |
9.
| Mitosis | Meiosis |
| Occurs in somatic cells. | Occurs in reproductive cells. |
| Involved in growth and occurs continuously throughout life. | Involved in gamete formation only during the reproductively active age. |
| Consists of single division. | Consists of two divisions. |
| Two diploid daughter cells are formed. | Four haploid daughter cells are formed. |
| The chromosome number in the daughter cell is similar to the parent cell (2n). | The chromosome number in the daughter cell is just half (n) of the parent cell. |
| Identical daughter cells are formed. | Daughter cells are not similar to the parent cell and are randomly assorted. |
10.
Red blood cell and platelets are not true cells in the blood, because they lack of nucleus.
11.
Xylem
12.
Phloem
13.
Collenchyma
14.
Chlorenchyma
15.
Sclerenchyma
16.
(b)
bone with muscles
17.
(d)
all of the above
18.
(d)
all of these
19.
(b)
hydrophytes
20.
(a)
Parenchyma
21.
( )
23
22.
( )
Bone, Cartilage
23.
( )
trachea or wind pipe
24.
( )
simple
25.
( )
complex
26.
(b)
27.
(b)
28.
(b)
29.
(b)
30.
(a)
9th Standard Syllabus & Materials
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Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
