PLANT TISSUES – GENERAL QUESTIONS

• Actively dividing plant tissue which contributes to growth is:

Answer:  meristematic

• The group of cells that have lost their capability to divide are:

Answer:  permanent tissue

• Collenchyma, parenchyma and sclerenchyma; are found in:

Answer:  ground tissue

• When meristematic tissue grow and mature, they become permanent tissues:

Answer:  True

• Dermal tissue is permanent tissue:

Answer:  True

• Fundamental tissue are of ___ kinds.

Answer:  3

• Fundamental tissues are also called as:

Answer:  ground tissue

• Xylem and phloem are:

Answer:  vascular tissue

• Function of vascular tissue is :

Answer:  transportation

• The tissue responsible for protection is:

Answer:  dermal tissue

• Which of the following is not a function of ground tissue?

Answer:  transportation

• There are ___ types of meristematic tissue:

Answer: 3

• Meristematic tissues are divided into subcategories based on:

Answer:  where they are present

• The tissues which are also called as cambium are:

Answer:  lateral meristem

• What forms the vascular bundle?

Answer:  xylem and phloem

• A light brown substance obtained from the outer layer of the bark of tree is:

Answer:  cork

• Secondary xylem and phloem develop from:

Answer:  fascicular cambium

• Basic principle for categorising plant cells into permanent and meristematic is:

Answer:  ability to divide cells

MERISTEMATIC TISSUES

• These tissues are continuously dividing:

Answer:  meristematic tissue

• These tissues contain thin cell wall:

Answer:  meristematic tissue

• These tissues are found at the tip of root, stem or leaves:

Answer:  meristematic tissue

• Meristematic tissue have few minute vacuoles; because:

Answer:  they are constantly dividing

• If meristematic tissues of a plant are destroyed, the plant:

Answer:  will survive

• If meristematic tissues of a plant are destroyed:

Answer:  the growth will be stunted

• The cells of meristematic tissues are small and thin because:

Answer:  later they differentiate into other cells

• Plants generally grow where ____ tissues are present:

Answer:  meristematic

• Which among the following is the growth tissue:

Answer:  meristematic tissue

• The ____ tissues differentiate into other tissues:

Answer:  meristematic

• Which is incorrect about the meristematic tissues?

Answer:  they have large vacuoles

• Which is incorrect about the meristematic tissues?

Answer:  they are thick walled

• What is correct about meristematic tissues?

Answer:  they do not store food

• Meristematic tissues are classified based on:

Answer:  their position in plant body

• The meristem that occurs at the apices of root, stem and leaves is known as:

Answer:  apical meristem

• Apical meristems are responsible for:

Answer:  elongation(increase in height)

• The meristem responsible for increasing the length of an organ is:

Answer:  intercalary meristem

• The meristem placed between two permanent; tissues is:

Answer:  intercalary meristem

• The meristem responsible for increase in thickness is:

Answer:  intercalary meristem

• Cork cambium and fascicular cambium are examples of:

Answer:  intercalary meristem

• Meristems have dense cytoplasm with prominent nuclei and thin cell wall but lack:

Answer:  Vacuole

• Chlorenchyma and aerenchyma both are a type of:

Answer:  Parenchyma

• Tissues in tendrils of a climber plant and leaf stalk of a plant are examples of:

Answer:  Collenchyma

PERMANENT TISSUE

• The process by which meristematic tissue takes up specific role is called:

Answer:  differentiation

• There are ___ types of permanent tissue:

Answer:  3

• Ground tissue with isodiametric cells is:

Answer:  parenchyma

• Parenchyma with choloroplast is called:

Answer:  chlorenchyma

• Plants become buoyant due to:

Answer:  aerenchyma

• Large air cavities are formed in between cells of these issues:

Answer:  aerenchyma

• Main function of parenchyma is:

Answer:  storage of food

• The cells which die when they mature are:

Answer:  sclerenchyma

• The tissue that resists bending and pulling action of wind is:

Answer:  collenchyma

• The tissue that provides flexibility is:

Answer:  collenchyma

• The cell wall of collenchyma are thickened at edges due to:

Answer:  pectin

• Ground tissue with intercellular spaces:

Answer:  parenchyma

• Permanent tissue with thin wall cells:

Answer:  parenchyma

• Tissue forming long flexible but strong strands in leaf stalks is:

Answer:  Collenchyma

• Flesh of a fruit is mostly made of:

Answer:  Parenchyma

• Sclerenchyma is a dead tissue:

Answer:  true

• Husk of coconut is made of:

Answer:  sclerenchyma

• Parenchyma is a type of:

Answer:  simple tissue

DERMAL TISSUE

• Cellular layer covering plant organs is.

Answer:  Epidermis

• Protective layer of tissue on plant body is:

Answer:  dermal tissue

• Plant parts that become woody, no longer have dermal tissue.

Answer:  True

• Epidermis consists of only one layer of cells.

Answer:  True

• Epidermis forms boundary between plant and external environment.

Answer:  true

• Which is not a function of epidermis?

Answer:  it stores food

• Which is the function of epidermis:

Answer:  secreting metabolic compounds

• Waxy coating on the leaves is called:

Answer:  cuticle

• Function of cuticle is to:

Answer:  prevent water loss

• Stomatal pores are surrounded by bean shaped cells called:

Answer:  guard cells

• Function of stomata is:

Answer:  exchange of gases and transpiration

• Trichosomes are the hairy outgrowth of epidermal layers:

Answer:  True

• Which is not a function of trichosome?

Answer:  provide mechanical support

• What insulates the plants from excess heat or cold?

Answer:  trichocomes

• Trichosomes are ____ tissues.

Answer:  dermal

• Pores present on young stem and leaves:

Answer:  stomata

• Hairy outgrowths of the epidermal layer are called:

Answer:  trichosomes

• Process of formation of permanent tissue is:

Answer:  differentiation

• Tissues that form boundary between plants and external environment are:

Answer:  epidermis

• Function of guard cells is to:

Answer:  control the size of stomata