Tissues - Plant tissues

The size of the stem increases in width due to ___________.

• primary meristem

• apical meristem

• intercalary meristem

• lateral meristem

Sieve tubes and companion cells are present in _____________.

• xylem

• phloem

• cork

• cambium

Sieve tubes and companion cells are present in _____________.

• xylem

• phloem

• cork

• cambium

A twig of white-coloured flowers is placed in a beaker containing coloured water. After some time, the white petals become coloured. Which tissue is responsible for this?

• Xylem

• Phloem

• cork

• cambium

Which of the following is not a function of epidermal tissue?

• Protection

• Absorption of water

• Transport of water

• Gaseous exchange

The flexibility in plants is due to a tissue called ___________.

• chlorenchyma

• parenchyma

• sclerenchyma

• collenchyma

A permanent tissue is described as complex tissue when it has ___________.

• one type of cells, performing two or more different functions

• more than one type of cells, performing different functions

• one type of cells, performing one function

• more than one type of cells, performing one common function

A mango tree can grow up to a height of 40 metres. This growth is brought about by

• apical meristem

• lateral meristem

• intercalary meristem

• vertical meristem

Permanent tissues are made up of cells that ______________.

• have lost the power of division

• may be living or dead

• both a and b

• none of the above

A leaf tendril is flexible and strong due to the presence of _______________.

• thickenings at corners of parenchyma tissue

• intercellular spaces in parenchyma tissue

• intercellular spaces in collenchyma tissue

• thickenings at corners of collenchyma tissue