Simple tissues

Question 1

Types of simple permanent tissue

Answer 1

Parenchyma, collenchyma and sclerenchyma

Question 2

__________tissue forms the major component within organs

Answer 2

Parenchyma

Question 3

Shape of parenchyma cell

Answer 3

generally isodiametric

There are many shapes but most of them are isodiametric

They may be
* spherical
* oval
* round
* polygonal
* elongated in shape

Question 4

Cell wall of parenchyma cells made up of

Answer 4

Cellulose

There wall are thin and made up of cellulose

Their wall are thin and made up of cellulose
they may either be closely packed or have small intercellular space

Question 5

Function of parenchyma cells

Answer 5

Photosynthesis , storage and secretion

Question 6

The ________occurs in layer below the eperdermis in most od the dicotyledonous plants.

Answer 6

Collenchyma

Question 7

In what condition collenchyma cells are found

Answer 7

They found as a homogeneous layer or in patches

Question 8

Why collenchyma cells are thick at the corners

Answer 8

hemicellulose , cellulose and pectin

Collenchyma cells are thick at the corners due to hcp

Collenchyma cells are thick at the corners due to hcp
* hemicellulose
* cellulose
* pectin

Question 9

Collenchyma cell have chloroplast?

Answer 9

Often contain chloroplast

Question 10

Shape of collenchyma cells

Answer 10

may be oval spherical or polygonal

Question 11

In which condition collenchyma cells assimilate food

Answer 11

When collenchyma cells have chloroplast

Question 12

In which tissues cell didn’t have intercellular space

Answer 12

collenchyma

Question 13

Function of collenchyma cells

Answer 13

They provide mechanical support

They provide mechanical support to the growing part of the plant sunch as young stem and a petiole of a leaf

Question 14

Which tissue’s cells are useually dead and without protoplast

Answer 14

Sclerenchyma

Question 15

Which tissue’s cells have numerous pits

Answer 15

sclernchyma

Question 16

Sclerenchyma consist of _____ of cells

Answer 16

Long and narrow cells with thich and lignified cell walls

Long and narrow cells with thich and lignified cell walls having few mumerous pits

Question 17

On which basis

Sclerenchyma may be either fibers or sclereids

Answer 17

On the basis of variation in form , structure , orgin and development .

On the basis of variation in form , structure , orgin and development Sclerenchyma may be either fibers or sclereids.

Question 18

Fibres sclerenchyma cells

Answer 18

The fibers are thick walled elongated and pointed cells , generally occur in groups , in various part of the plants

Question 19

The sclerids Sclernchyma simple permanent tissue

Answer 19

They are spherical ,oval or cylindrical, highly thickened with narrow cavities (lumen)

Question 20

Sclereids are found

Answer 20

In the fruit walls of nut , pulp of fruits like guava and sapota : coats of legumes and leaves

Question 21

Function of sclernchyma

Answer 21

Provide mechanical support to organ

Question 22

Which one is more thicker

Fiber or sclereid

Answer 22

sclereid

Question 23

Found below the epidermis

Answer 23

Collenchyma

Question 24

Legnied but dead

Answer 24

Sclerenchyma