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Question-1
Out of diffuse porous and ring porous woods, which is correct
(A)
ring porous wood, carries more water for short period
(B)
diffuse porous wood carries more water
(C)
ring porous wood carries more water when need is higher
(D)
diffuse porous wood is less specialised but conducts water rapidly throughout.
Question-2
Sieve tubes are suited for translocation of food because they possess
(A)
bordered pits
(B)
no ends walls
(C)
broader lumen and perforated cross walls
(D)
no protoplasm.
Question-3
Tunica corpus theory is connected with
(A)
root apex
(B)
root cap
(C)
shoot apex
(D)
secondary growth.
Question-4
A bicollateral vascular bundle is characterised by
(A)
phloem being sandwiched between xylem
(B)
transverse splitting of vascular bundle
(C)
longitudinal splitting of vascular bundle
(D)
xylem being sandwiched between phloem
Question-5
Which is correct about transport of conduction of substances
(A)
organic food moves up through phloem
(B)
organic food moves up through xylem
(C)
inorganic food moves upwardly and downwardly through xylem
(D)
organic food moves upwardly and downwardly through phloem
Question-6
Death of protoplasm is a pre-requisite for a vital function like.
(A)
transport of sap
(B)
transport of food
(C)
absorption of water
(D)
gaseous exchange.
Question-7
What is true about a monocot leaf
(A)
reticulate venation
(B)
absence of bulliform cells from epidermis
(C)
mesophyll not differentiated into palisade and spongy tissues
(D)
well differentiated mesophyll.
Question-8
Organisation of stem apex into corpus and tunica is determined mainly by
(A)
planes of cell division
(B)
regions of meristematic activity
(C)
rate of cell growth
(D)
rate of shoot tip growth.
Question-9
Collenchyma occurs is
(A)
herbaceous climbers
(B)
woody climbers
(C)
climbing stems
(D)
water plants
Question-10
Pericycle of roots produces
(A)
mechanical support
(B)
lateral roots
(C)
vascular bundles
(D)
adventitious buds
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Plus 2 Biology Science
CBSE
Practice in Related Chapters
Plant Reproduction
Animal Tissue
Kingdom Monera
Plant Kingdom
Biological Classification
General Biology
Respiratory System
Digestive System And Nutrition
Circulatory System and Immunity
Plant Morphology
Plant Anatomy
Cell Reproduction
Human Genetics & Genetic Disorders
Mendelian & Postmendelian Genetics
Genes & Chromosomes
Biomolecules
Enzymes
Cell Respiration
Cell Respiration
Kingdom Fungi
Aging And Death
Common Human Diseases
Evolution
Drug And Addiction
Reproduction And Embryonic Development
Endocrine System
Excretion And Osmoregulation
Nervous System & Sense Organs
Musculo-Skeletal System
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