1st Unit

Question 1

What is a tissue

Answer 1

A group of cells with a common origin that has been modified to perform
particular functions in the body is known as a tissue.

Question 2

What are the two types of tissues

Answer 2

1. Plant tissues
2. Animal tissues

Question 3

what are the two types of plant tissues

Answer 3

1. Meristematic tissues
2. Permanent tissues

Question 4

What are known as meristematic tissue

Answer 4

The tissues with the cells that divide actively by mitosis to produce new cells are called Meristematic tissues.

Question 5

Name three features of meristematic tissues

Answer 5

1. No inter cellular spaces
2. Tissue consists of small living cells
3. A large number of mitochondria are present

Question 6

What are the 3 types of meristematic tissues

Answer 6

1. Apical
2. Lateral
3. Intercalary

Question 7

Location of apical meristem

Answer 7

Tip of shoot system, root system and axillary buds

Question 8

what is a permanent tissue

Answer 8

A tissue that lost its ability to divide and specialized to perform a particular function
is known as a permanent tissue.

Question 9

what are the two types of permanent tissues

Answer 9

Simplex and complex

Question 10

What are simplex permanent tissues

Answer 10

One type of cells collected together

Question 11

What are complex permanent tissues

Answer 11

Different types of cells collected together

Question 12

What are the three types of permanent tissues

Answer 12

1. Parenchyma
2. Collenchyma
3. Schlerenchyma

Question 13

oooooooooooooooo What is this permanent tissue

Answer 13

Parenchyma

Question 14

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Answer 14

Collenchyma

Question 15

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Answer 15

Schlerenchyma

Question 16

What are Parenchyma tissues

Answer 16

The tissue that forms the soft parts of the plant body is the parenchyma tissue.

Question 17

Features of parenchyma

Answer 17

Parenchyma tissue consists of living cells.
² Cells are isodiametric (spherical) with a large central vacuole.
² Nucleus is present peripherally in the cytoplasm.
² The cell wall is thin and made up of cellulose.
² Intercellular spaces are
present

Question 18

Locations of parenchyma tissues

Answer 18

Cortex and pith of plant stem
Fleshy parts of fruits
Leaves (mesophylls)
Pith and cortex of roots
Seeds (endosperm)

Question 19

Location of lateral meristem

Answer 19

Stem and roots of the plants

Question 19

Location of the intercalary meristem

Answer 19

At nodes