Y7 Bio BT 7_2 Vascular System Collenchyma & Sclerenchyma01

Difference between a tissue and an organ:

A tissue consists of a group of cells

An organ consists of several tissues

Difference between a tissue and an organ:

A ​ (a)   consists of a ​ (b)   of ​ (c)   ​

An organ consists of several tissues

• tissue
• cells
• group

Difference between a tissue and an organ:

A tissue consists of a group of cells

An ​ (a)   consists of ​ (b)   ​ (c)  

• organ
• several
• tissues

What constitutes组成 the vascular system植物维管系统

xylem and phloem constitute the vascular system of the plant.

They are made up of more than a single type of cell,

They perform a common function.

Answer explanation

xylem and phloem constitute the vascular system of the plant.

They are made up of more than a single type of cell,

They perform a common function

What constitutes组成 the vascular system植物维管系统

xylem and ​ (a)   constitute the vascular system of the plant.

• phloem
• chloroplast
• stomata

Answer explanation

xylem and phloem constitute the vascular system of the plant.

They are made up of more than a single type of cell,

They perform a common function

What constitutes组成 the vascular system植物维管系统

​ (a)   and phloem constitute the ​ (b)   of the ​ (c)   .

• xylem
• vascular system
• plant

Answer explanation

xylem and phloem constitute the vascular system of the plant.

They are made up of more than a single type of cell,

They perform a common function

Collenchyma:

What are the Characteristics:

• absent intercellular spaces • cellulose thickening at corners • living cells

Answer explanation

Characteristics: • absent intercellular spaces • cellulose thickening at corners • living cells

Collenchyma:

What are the Characteristics:

• absent ​ (a)   • ​ (b)   thickening at corners • living ​ (c)  

• intercellular spaces
• cellulose
• cells

Answer explanation

Characteristics: • absent intercellular spaces • cellulose thickening at corners • living cells

Collenchyma:

Where is the Location found:

• petioles of leaves, stems

Answer explanation

Location found: • petioles of leaves, stems

Collenchyma:

Where is the Location found:

• ​ (a)   of ​ (b)   , ​ (c)   of plants

• petioles
• leaves
• stems

Answer explanation

Location found: • petioles of leaves, stems