Class 9th

The dead element present in the phloem is

• Companion cells

• Phloem fibres

• Phloem parenchyma

• Sieve tubes

Which cell does not have perforated cell wall

• Tracheids

• Companion cells

• Sieve tubes

• Vessels

Parenchyma cells are

• Relatively unspecified and thin walled

• Thick walled and specialised

• Lignified

• None of these

Meristematic tissues in plants are

• Localised and permanent

• Unlimited to certain regions

• Localised and dividing cells

• Growing in volume

Component of xylem helps in lateral conduction of water

• Tracheids

• Vessels or tracheids

• Xylem parenchyma

• Xylem fibres

Collenchyma is considered as living tissue because it cells contains

• Cell wall

• Protoplasm

• Angular thickenings

• Vacuoles

Which is the not a function of epidermis

• Conduction of water

• Protection from adverse condition

• Gaseous exchange

• Transpiration

Girthof stem increases due to

• Apical Meristem

• Intercalary Meristem

• Lateral Meristem

• Vertical Meristem

Find out incorrect sentence

• Parenchymatous tissues have intercellular spaces

• Collenchyma tissue are irregularly thickened at corners

• Apical and intercalary Meristem are permanent tissues

• Meristematic tissues in early-stage lack vacuoles

The flexibility in plants due to tissue called

• Chlorenchyma

• Parenchyma

• Collenchyma

• Sclerenchyma