Which of the following are true

  • A. Vessels re multicellular with narrow lumen

  • B. Tracheids are multicellular with narrow lumen

  • C. Vessels are uniellular with wider lumen

  • D. Tracheis are unicellular with narrow lumen

Which of the following is not true about Sclereids?

  • A. These re parenchyma cells with thick lignified walls

  • B. These are&nsp;are spherical, oval or cylindrical, highly thickened dead cells 

  • C. These are ommonly found in shells of nuts and in pulp of guava, pear, etc

  • D. These are also calle stone cells

Vessels are found in

  • A. All ngiosperms and some gymnosperms

  • B. Most of angiosperms and few gymnosperms

  • C. All angiosperms, all gymnosperms and some pteridophyta

  • D. All pteriophyta

Meristematic cells are

  • Static

  • Permanent

  • Dividing

  • Dead Cells

Region of active cell division in plant is called

  • Axillary

  • Meristems

  • Vascular

  • Myometrium

During the formation of leaves and elongation of stem, some cells left behind from shoot apical meristem constitute _____________

  • Axillary bud

  • Lateral bud

  • Apical bud

  • Protoderm

Axillary buds are capable of forming

  • Branch or flower

  • Root and shoot

  • Apical shoot and fruit

  • None

. Both apical meristem and intercalary meristem are

  • Important for root formation

  • Primary meristem

  • Secondary meristem

  • None

Which of the following are example of lateral meristem?

  • Fascicular vascular cambium

  • Interfascicular cambium

  • Cork cambium

  • All

. Permanent plant tissue having all cells similar in structure and function are called

  • Simple tissue

  • Complex tissue

  • Meristematic tissue

  • Fascicular tissue

Permanent plant tissue having many different type of cells are called

  • Apical differentiating tissue

  • Simple apical tissue

  • Complex tissue

  • Meristematic tissue

. Simple tissue in plant includes

  • Parenchyma and collenchyma

  • Xylem and phloem

  • Root and shoot

  • Sclerenchyma and phloem

The cells of parenchyma are usually

  • Diametric

  • Isodiametric

  • Pentagonal

  • Orthorhombic

Parenchymal cells have ________ walls and are made up of _____________.

  • Thick, cellulose

  • Thin, cellulose

  • Thick, hemicellulose

  • Thin, hemicellulose

Parenchyma performs various functions like

  • Photosynthesis, storage and secretion

  • Photosynthesis, transportation and storage

  • Photosynthesis, transpiration and secretion

  • Excretion, transpiration and photophosphorylation

Collenchyma occurs in layer below

  • Parenchyma

  • Sclerenchyma

  • Epidermis

  • Endodermis

Collenchymatous cells are thickened due to deposition of

  • Cellulose

  • Hemicellulose

  • Pectin

  • All

The mechanical support to growing parts of plant such as young stem and petiole of leaf is provided by

  • Collenchyma

  • Parenchyma

  • Bark

  • Sieve tube

Lignified cell wall is characteristic feature of

  • Parenchyma

  • Collenchyma

  • Sclerenchyma

  • None

  _________ are commonly found in the fruit walls of nut.

  • Parenchyma

  • Collenchyma

  • Sclerenchyma

  • Complex tissue

Complex tissue in plants have

  • Xylem

  • Sclerenchyma

  • Phloem

  • Both A and C

Tracheids, vessels, xylem fibres and xylem parenchyma are components of

  • Simple tissue

  • Xylem

  • Sclereids

  • Pith

Elongated cells with thick and lignified walls and tapering ends is a characteristic feature of

  • Xylem parenchyma

  • Xylem fibres

  • Tracheids

  • Vessels

Dead cell without protoplasm is ___________.

  • Sclerenchyma

  • Tracheids

  • Parenchyma

  • Both A and B

In flowering plants which of the following are main water transporting element

  • Tracheids

  • Vessels

  • Both A and B

  • None of the above

Central cavity is found in

  • Vessels

  • Tracheids

  • Both (1) and (2)

  • None

The presence of _________ is characteristic feature of angiosperms.

  • Vessels

  • Tracheids

  • Tracheid pore

  • Vessel pore

Xylem parenchyma cells are made up of

  • . Cellulose

  • . Hemicellulose

  • . Both A and B

  • . None of the above

Xylem parenchyma store food in the form of

  • A. Strch

  • B. Fat

  • C. Tannins

  • D. All of the above

Plant tissues have been divided into meristematic and permanent tissue based on

  • differentiation capability

  • division capability

  • symmetry

  • plane of division

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