Class 9 Tissues

Which of the following tissues has dead cells?

• Parenchyma

• Sclerenchyma

• Collenchyma

• Epithelial tissue

Find out incorrect sentence

• Parenchymatous tissues have intercellular spaces

• Collenchymatous tissues are irregularly thickened at corners

• Apical and intercalary meristems are permanent tissues

• Meristematic tissues, in its early stage, lack vacuoles

Girth of stem increases due to

• apical meristem

• lateral meristem

• intercalary meristem

• vertical meristem

Which cell does not have perforated cell wall?

• Tracheids

• Companion cells

• Sieve tubes

• Vessels

Intestine absorb the digested food materials. What type of epithelial cells are responsible for that?

• Stratified squamous epithelium

• Columnar epithelium

• Spindle fibres

• Cuboidal epithelium

A person met with an accident in which two long bones of hand were dislocated. Which among the following may be the possible reason?

• Tendon break

• Break of skeletal muscle

• Ligament break

• Areolar tissue break

While doing work and running, you move your organs like hands, legs etc. Which among the following is correct?

• Smooth muscles contract and pull the ligament to move the bones

• Smooth muscles contract and pull the tendons to move the bones

• Skeletal muscles contract and pull the ligament to move the bones

• Skeletal muscles contract and pull the tendon to move the bones

Which muscles act involuntarily? (i) Striated muscles (ii) Smooth muscles (iii) Cardiac muscles (iv) Skeletal muslces

• (i) and (ii)

• (ii) and (iii)

• (iii) and (iv)

• (i) and (iv)

Meristematic tissues in plants are

• localised and permanent

• not limited to certain regions

• localised and dividing cells

• growing in volume

Which is not a function of epidermis ?

• Protection from adverse condition

• Gaseous exchange

• Conduction of water

• Transpiration