Tissues

The apoplast and symplast are two regions of the plant that serve as pathways for water and solute transport over both short and long distances These pathways are represented by the arrows in the diagram below, which shows three adjacent cells in a leaf or root. Sort each statement into the appropriate bin.

Which of the following cells are phloem cells?a. guard cellsb. companion cellsc. vesselse. tracheids

The outermost cell layer of plants is thea. root hairb. endodermisc. vascular cylinderd. epidermis

Cork is formed froma. cork cambium b. vascular cambiumc. phloemd. xylem

Cork cambium and vascular cambium area. parts of secondary xylem and phloemb. parts of pericyclec. lateral meristemd. apical meristem

Which is correct about transport of conduction of substances?a. organic food moves up through phloemb. organic food moves up through xylemc. inorganic food moves upwardly and downwardly through xylemd. organic food moves upwardly and downwardly through phloem

Pericycle of roots producesa. mechanical supportb. vascular bundlesc. lateral rootsd. adventitious roots

Which of the following plant cells will show totipotencya. sieve tubesb. xylem vesselsc. meristemd. cork cells

Which of the following is not true about ‘sclereids’?a. these are groups of living cellsb. these are found in nut shells, guava pulp, pearc. these are also called stone cellsd. these are a form of sclerenchyma with fibres

At maturity, which of the following is non- nucleated?a. palisade cellb. cortical cellc. sieve celld. companion cell

What types of cells make up the photosynthetic tissue in leaves? How are they arranged in most leaves?

What are the four main tissue types?

Phloem, one of the two types of vascular tissues, is composed of cells thatA. function when deadB. function when aliveC. conduct water and mineralsD. support the plantE. lose their end walls