Structure of Roots

Which of the following is NOT a job of the roots?

• anchor plants in soil
• absorb water and nutrients
• store food
• undergo photosynthesis

The outermost layer of the plant root tissue is...

• epidermis
• cortex
• vascular cylinder/stele
• none of the above

The innermost layer of the plant root tissue is...

• epidermis
• cortex
• vascular cylinder/stele
• none of the above

Which of the following is true?

• Root types make root systems
• Root systems make root types

A carrot is an example of a

• taproot system
• fibrous root system

this system has one main prominent root

• taproot system
• fibrous root system

this system is an extensive mass of smaller, widely spread roots

• taproot system
• fibrous root system

These roots extend horizontally from taproots

• taproots
• lateral roots
• adventitious roots
• fibrous roots

These roots form from shoot tissues above the soil and used in cloning plants.

• taproot
• lateral root
• fibrous root
• adventitious root

which two are primary roots?

• taproot and lateral root
• taproot and fibrous root
• fibrous root and adventitious root
• lateral root and adventitious root