Table 1.1 Types of permanent tissues and their functions

Which type of tissue layer the outermost surface of stems, leaves, and roots of young plants?

• Epidermal tissues

• Ground tissues

• Vascular tissues

• Parenchyma tissues

What is the function of the cuticle in epidermal tissues?

• Produce starch

• Increase water loss

• Absorb mineral salts

• Protect from mechanical injuries

Which type of cells control the opening of the stoma?

• Collenchyma cells

• Root hair cells

• Guard cells

• Parenchyma cells

What is the main function of parenchyma tissues?

• Transport water and nutrients

• Provide mechanical support

• Maintain plant shape

• Store starch and sugar

Which type of tissues provide mechanical support and elasticity to plants?

• Xylem tissues

• Sclerenchyma tissues

• Collenchyma tissues

• Parenchyma tissues

What is the main function of sclerenchyma tissues in mature plants?

• Help in gaseous exchange

• Transport water and nutrients

• Provide mechanical strength

• Store starch and sugar

Which component of xylem enables the transport of water and mineral salt in plants?

• Lignin

• Cytoplasm

• Nucleus

• Ribosome

What is the main function of sieve tubes in phloem tissues?

• Increase surface area

• Transport sugars

• Provide mechanical support

• Control stoma opening

Which part of the plant do phloems transport sugars to?

• Leaves

• Stems

• Fruits

• Roots

What is the main function of phloems in plants?

• Store starch

• Transport sugars

• Transport minerals

• Transport water