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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
cycas stem showsmanoxylic wood
aerenchyma is found inparenchyma
endodermis is a part ofcortex
lateral root in higher plants arise frompericycle
cambiam of root is part ofsecondary meristem
enucleate at maturitysieve tube cells
porous wood containsvessels
fascicular cambium is the cambium of vascular bundle ofdicot stem
mesophyll is usually differentiated indorsiventral leaf
the quiescent center in root meristem serves as areserve for replenishment of damaged cells of the meristem
companion cell in plants are associated withseive elements
cork cambium results in the formation of cork which becomes impermeable to water due to the accumulation ofsuberin
in which of the following would you expect to find glyoxysomesendosperm of castor
grafting is successful in dicots but not in monocots because the dicots havecambium for secondary growth
in the sieve elements, which one of the following is the most likely function of P-protiensdeposition of callose on sieve plates
in stems, the protoplam lies towards the ____ and the metaxylem lies towards the ____ of the organcentre, periphery
Tracheids differ from vessels in having :-Imperforated end wall
(I) Mature sieve tube element is living but enucleated. (II) Xylem bundle and phloem bundle are collectively termed as a vascular bundle (III) First formed xylem element and phloem element are called metaxylem and metaphloem, respectively (IV) Phloem fibres are generally absent in primary phloem (V) Phloem parenchyma is absent in most of the monocots Which of the above statement is/are wrong ?only III
Read given statements I & II carefully. I. Peripheral region of the secondary xylem is lighter in colour and is known as heart wood. II. Peripheral region of the secondary xylem is involved in the conduction of water and minerals from root to leaf. Select the correct option with respect to woody dicot stem :I is incorrect, but II is correct
Dicot root can be distinguished from monocot root by :-Shape of vessels