Tissues

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

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

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

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