Tissues

Girth of stem increases due to

• apical meristem

• lateral meristem

• intercalary meristem

• vertical meristem

Guard cells are present in

• cork

• cortex

• stomata

• vascular bundle

Husk of coconut is made of

• sclerenchymatous tissue

• sclerenchymatous tissue

• collenchyma

• chlorenchyma

Which one of the following tissue gives mechanical support to young dicotyledonous stem?

• parenchyma

• collenchyma

• sclerenchyma

• chlorenchyma

Grass stems elongates by the activity of

• primary meristem

• secondary meristem

• intercalary meristem

• apical meristem

Phloem in the plants performs the function of

• conduction of food

• conduction of water

• providing support

• photosynthesis

Lignified elongated dead cells are

• parenchyma

• collenchyma

• sclerenchyma

• none of the above

Whose living cells provide tensile and mechanical strength?

• collenchyma

• sclerenchyma

• phloem

• sclereids

Simple tissues are these

• parenchyma, xylem and collenchyma

• parenchyma, collenchyma and sclerenchyma

• parenchyma, xylem and sclerenchyma

• parenchyma, xylem and phloem

The most common type of ground tissue is

• epidermis

• collenchyma

• sclerenchyma

• parenchyma