The chloroplast containing parenchymatous cells which are formed towards the innerside by cork cambium are called as
(1)secondary cortex
(2)phelloderm
(3)phellem
(4)Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one is true for phellogen
(1)thick layer cells
(2)narrow, thin walled and nearly rectangular cells
(3)gives rise to phellem and phelloderm
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIncorrect match is
(1)Phellogen = cork cambium
(2)Phellem = Cork
(3)Phelloderm=cortex
(4)Phelloderm=Secondary cortex
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn plants the replacement of the outer cortical and epidermal layers when they are broken are because of the
(1)Cork cambium
(2)vascular cambium
(3)Phellogen
(4)Both A and C
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe cork is impervious to ______due to __________deposition in the cell wall.
(1)water, suberin
(2)water, lignin
(3)water, wax
(4)water, cellulose
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBark non-technically refers to tissues which lies
(1)exterior to vascular cambium
(2)exterior to cork cambium
(3)exterior to primary phloem
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyHow many of the followings constitute the bark?
( secondary phloem, secondary cortex, cork cambium, complimentary cells, epidermis, periderm )
(1)6
(2)5
(3)4
(4)3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is true for lenticels
(1)lens shaped opening
(2) occur in most woody trees
(3)permit exchange of gases
(4)All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe function of lenticels are
(1)exchange of gases
(2)helps in transpiration
(3)helps in vegetative reproduction
(4)Both a and b
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn dicot root the complete ring of vascular bundle is formed by
(1)conjunctive tissue
(2)pericycle
(3)Endodermis
(4)Both A and B
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology