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Index
»
anatomy of flowering plants
»
Chapter 1
»
Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
cycas stem shows
manoxylic wood
aerenchyma is found in
parenchyma
endodermis is a part of
cortex
lateral root in higher plants arise from
pericycle
cambiam of root is part of
secondary meristem
enucleate at maturity
sieve tube cells
porous wood contains
vessels
fascicular cambium is the cambium of vascular bundle of
dicot stem
mesophyll is usually differentiated in
dorsiventral leaf
the quiescent center in root meristem serves as a
reserve for replenishment of damaged cells of the meristem
companion cell in plants are associated with
seive elements
cork cambium results in the formation of cork which becomes impermeable to water due to the accumulation of
suberin
in which of the following would you expect to find glyoxysomes
endosperm of castor
grafting is successful in dicots but not in monocots because the dicots have
cambium for secondary growth
in the sieve elements, which one of the following is the most likely function of P-protiens
deposition of callose on sieve plates
in stems, the protoplam lies towards the ____ and the metaxylem lies towards the ____ of the organ
centre, 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