biology

how many types does meristematic tissue have?

• 3

• 4

• 1

• 2

What are the types of simple tissues ?

• parenchyma

• collenchyma

• sclerenchyma

• all of these

What are the elements of xylem

• trachieds and vessels

• sieve tubes and companion cells

• simple tissue

• none

Who is the fluid connective tissue

• water

• blood

• juice

• all of these

What is the non living basic substance of the connective tissue

• tendons

• ligament

• matrix

• bone

What is the outermost layer of human skin? 

• epithlial tissue

• connective tissue

• muscular tissue

• nervous tissue

Xylem and phloem are also called?

• conducting tissue

• vascular tissue

• both

• none of these

Arenchyma is a type of

squamous epithelium

what is the lifespan of red blood cells?

• 120 days

• 1 year

• 2 year

• 230 days