#1 The living tissue that provides support to the growing parts of the plant, is
#2 With reference to bark, which one of the following statements is false?
#3 Major part of wood of old dicot stem is filled with tannins, resins and gums. This part is called
#4 In the stelar evolution, the type of stele that is highly evolved is
#5 The major function of sieve tubes in plants, is
#6 Both phloem sieve tubes and xylem vessels are derived from same kind of precursor cell, but at maturity they are very different. What feature is unique to phloem sieve tubes?
#7 Which combination of characterstics of a vessel element are most important for water movement in the xylem?
#8 Pericycle of roots is the site of origin of
#9 The living and non-lignified component of vascular bundles are
#10 Cell division typically occurs only in the meristematic regions of plants. In which region would cell division not occur?
#11 The vascular cambium normally gives rise to:
#12 Root hairs develop from the region of:
#13 The balloon shaped structures called tyloses
#14 Cortex is the region found between
#15 Tell the correct order of the components with reference to their arrangement from the outer side to inner side in a woody dicot stem (i) secondary cortex (ii) wood (iii) secondary phloem (iv) phellem The correct order is
#16 Vascular bundles in monocotyledons are considered closed because
#17 A major characteristic of the monocot root is the presence of
#18 You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
#19 Interfascicular cambium develops from the cells of
#20 Match the following and choose the correct option from below A. Cuticle i. guard cells B. Bulliform cells ii. single layer C. Stomata iii. waxy layer D. Epidermis iv. empty colourless cell Correct answer is
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Also read: vascular tissue system
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