Biology Amazing Quiz 8th Grade

What is Xylem?

(a)  

What are the 4 types of cells found in Phloem?

• Sieve Tubes

• Phloem Parenchyma

• Companion Cells

• Tracheids

• Phloem Fibres

What are Tracheids?

• Elongated dead cells

• Elongated dead cells with tapering ends

• Tube-like structures

• Tube-like structures open at both ends

The rings seen in the trunk of an old tree which has been cut transversely are the _____________. The ____ of a tree can be determined by counting the number of rings.

(a)  

What does Phloem transport?

• Sugar

• Water

• Food

• Minerals

• Light

What is the difference between Xylem and Phloem?

• Xylem - Conducting cells (vessels and tracheids) are alive

  Phloem - Conducting cells (sieve tubes) are living

• Xylem - Conducting cells (vessels and tracheids) are dead

  Phloem - Conducting cells (sieve tubes) are dead

• Xylem - Conducting cells (vessels and tracheids) are dead

  Phloem - Conducting cells (sieve tubes) are living

• Xylem - Conduction is unidirectional

  Phloem - Conduction is bidirectional

• Xylem - Conduction does not require any expenditure of energy

  Phloem - Conduction requires expenditure of energy.

What is the function of Phloem Parenchyma and Phloem Sclerenchyma?

• Parenchyma - Transports food, Sclerenchyma - Storage of food

• Parenchyma - Helps in storage of food, Fibres - Provide mechanical support to humans.

• Parenchyma - Helps in storage of food, Fibres - Provide mechanical support to plants.

What is 'Transportation in Plants'

(a)  

Give 1 specialty of root hair.

(a)  

What is Transpiration?

(a)