Anatomy Of Flowering Plants QUESTION BANK

ANATOMY OF FLOWERING PLANTS QUESTION BANK FOR NEET AND AIIMS. PREVIOUS YEAR QUESTION(AIPMT, NEET), LAST 18 YEARS, QUESTION BOOK FOR MCQ PRACTICE

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MCQ:-

Q1) Root hairs develop from the region of (NEET 2017)

Maturation
Elongation
Root cap
Meristematic activity

Answer- Meristematic activity

Q2) Identify the wrong statement in context of heartwood. (NEET 2017)

Organic compounds are deposited in it
It is highly durable
It conducts water & minerals efficiently
It comprises dead elements with highly lignified walls

Answer-It conducts water & minerals efficiently

Q3) Which of the following is made up of dead cells? (NEET 2017)

Xylem parenchyma
Collenchyma
Phellem
Phloem

Answer- Phellem

Q4) The vascular cambium normal gives rise to (NEET 2017)

Phelloderm
Primary phloem
Secondary xylem
Periderm

Answer- Secondary xylem

Q5) Specialised epidermal cells surrounding the guard cells are called (NEET 2016, PHASE I)

Subsidiary cells
Bulliform cells
Lenticels
Complementary cells

Answer- Subsidiary cells

Q6) The balloon-shaped structures called tyloses (NEET 2016, PHASE II)

Originate in the lumen of vessels
Characterise the sapwood
Are extensions of xylem parenchyma cells into vessels
Are linked to the ascent of sap through xylem vessels

Answer- Are extensions of xylem parenchyma cells into vessels

Q7) Cortex is the region found between (NEET 2016, PHASE II)

Epidermis & stele
Pericycle & endodermis
Endodermis & pith
Endodermis & vascular bundle

Answer- Epidermis & stele

Q8) Read the different components from I-IV in the list given below & tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem.

I) Secondary cortex II) Wood

III) Secondary phloem IV) Phellem

The correct order is (CBSE AIPMT 2015)

III,IV,II, I
I,II,IV,III
IV,I,III,II
IV,III,I,II

Answer- IV,I,III,II

Q9) You are given a fairly old piece of dicot stem & a dicot root. Which of the following anatomical structures will you use to distinguish between the two?  (CBSE AIPMT 2014)

Secondary xylem
Secondary phloem
Protoxylem
Cortical cells

Answer- Protoxylem

Q10) Tracheids differ from other trachery elements in (CBSE AIPMT 2014)

Having casparian strips
Being imperforate
Lacking nucleus
Being lignified

Answer- Being imperforate

Q11) Interfascicular cambium develops from the cells of (NEET 2013)

Medullary rays
Xylem parenchyma
Endodermis
Pericycle

Answer- Medullary rays

Q12) Age of a tree can be estimated by (NEET 2013)

Its height & girth
Biomass
Number of annual rings
A diameter of its heartwood

Answer- Number of annual rings

Q13) The common bottle cork is a product of (CBSE AIPMT 2012)

Dermatogen
Phellogen
Xylem
Vascular cambium

Answer- Phellogen

Q14) Companion cells are closely associated with (CBSE AIPMT 2012)

Sieve elements
Vessel elements
Trichomes
Guard cells

Answer- Sieve elements

Q15) Water containing cavities in vascular bundles are found in (CBSE AIPMT 2012)

Sunflower
Maize
Cycas
Pinus

Answer- Maize

Q16) Closed vascular bundles lack (CBSE AIPMT 2012)

Ground tissue
Conjunctive tissue
Cambium
Pith

Answer- Cambium

Q17) The cork cambium, cork & secondary cortex are collectively called (CBSE AIPMT 2011)

Phellogen
Periderm
Phellem
Phelloderm

Answer- Periderm

Q18) Ground tissue includes (CBSE AIPMT 2011)

All tissues except epidermis & vascular bundles
Epidermis & cortex
All tissues internal to endodermis
All tissues external to endodermis

Answer- All tissues except epidermis & vascular bundles

Q19) The chief water conducting elements of xylem in gymnosperms are (CBSE AIPMT 2010)

Vessels
Fibres
Transfusion tissue
Tracheids

Answer- Tracheids

Q20) Which one of the following is not a lateral meristem? (CBSE AIPMT 2010)

Intrafascicular cambium
Interfascicular cambium
Phellogen
Intercalary meristem

Answer- Intercalary meristem

Q21) Heartwood differs from sapwood in (CBSE AIPMT 2010)

Presence of rays & fibres
Absence of vessels & parenchyma
Having dead & non-conducting elements
Being susceptible to pests & pathogens

Answer- Having dead & non-conducting elements

Q22) Palisade parenchyma is absent in leaves of (CBSE AIPMT 2009)

Sorghum
Mustard
Soyabean
Gram

Answer- Sorghum

Q23) Anatomically fairly old dicotyledonous root is distinguished from the dicotyledonous stem by (CBSE AIPMT 2009)

Absence of secondary xylem
Absence of secondary phloem
Presence of cortex
Position of protoxylem

Answer- position of protoxylem

Q24) The annular & spirally thickened conducting elements generally develop in the protoxylem when the root or stem is (CBSE AIPMT 2009)

Maturing
Elongating
Widening
Differentiating

Answer- Widening

Q25) In barley stem, vascular bundles are (CBSE AIPMT 2009)

Open & scattered
Closed & scattered
Open & in a ring
Closed & radial

Answer- Closed & scattered

Q26) The length of different internodes in a culm of sugarcane is variable because of (CBSE AIPMT 2008)

Shoot apical meristem
Position of axillary buds
Size of leaf lamina at the node below each internode
Intercalary meristem

Answer- Intercalary meristem

Q27) Vascular tissues in flowering plants develop from (CBSE AIPMT 2008)

Phellogen
Plerome
Periblem
Dermatogens

Answer- Plerome

Q28) Passage cells are thin-walled cells found in (CBSE AIPMT 2007)

Endodermis of roots facilitating rapid transport of water from cortex to pericycle
Phloem elements that serve as entry points for substances for transport to other plant parts
Testa of seeds to enable emergence of growing embryonic axis during seed germination
Central region of style through which the pollen tube grows towards the ovary

Answer- Endodermis of roots facilitating rapid transport of water from cortex to pericycle

Q29) For a critical study of secondary growth in plants which one of the following pairs is suitable? (CBSE AIPMT 2007)

Sugarcane & sunflower
Teak & pine
Deodar & fern
Wheat & maize hair fern

Answer- Teak & pine

Q30) A common structural feature of vessel elements & sieve tube elements are (CBSE AIPMT 2006)

Pores on lateral walls
Presence of p-protein
Enucleate condition
Thick secondary walls

Answer- Pores on lateral walls

Q31) In a woody dicotyledonous tree which of the following parts will mainly consist of primary tissues? (CBSE AIPMT 2005)

All parts
Stem & root
Flowers, fruits & leaves
Shoot tips & root tips

Answer- Shoot tips & root tips

Q32) In a longitudinal section of root, starting from the tip upward, the four zones occur in the following order (CBSE AIPMT 2004)

Root cap, cell division, cell enlargement, cell maturation
Root cap, cell division, cell maturation, cell enlargement
Cell division, cell enlargement, cell maturation, root cap
Cell division, cell maturation, cell enlargement, root cap

Answer- root cap, cell division, cell enlargement, cell maturation

Q33) Chlorenchyma is known to develop in the (CBSE AIPMT 2003)

Pollen tube of Pinus
Cytoplasm of Chlorella
Mycelium of a green mould such as Aspergillus
Spore capsule of a moss

Answer- Spore capsule of a moss

Q34) The apical meristem of the root is present (CBSE AIPMT 2003)

In all the roots
Only in radicals
Only in tap roots
Only in adventitious roots

Answer- In all the roots

Q35) The cells of the quiescent centre are characterised by (CBSE AIPMT 2003)

Dividing regularly to add to tunica
Having dense cytoplasm & prominent nuclei
Having light cytoplasm & small nuclei
Dividing regularly to add to the corpus

Answer- Having light cytoplasm & small nuclei

Q36) Main function of lenticel is (CBSE AIPMT 2002)

Transpiration
Guttation
Gaseous exchange
Bleeding

Answer- Gaseous exchange

Q37) Vessels are found in (CBSE AIPMT 2002)

All angiosperms & some gymnosperms
Most of the angiosperms & few gymnosperms
All angiosperms & few gymnosperms & some pteridophytes
All pteridophytes

Answer- Most of the angiosperms & few gymnosperms

Q38) Four radial vascular bundles are found in (CBSE AIPMT 2002)

Dicot root
Monocot root
Dicot stem
Monocot stem

Answer- Dicot root

Q39) Axillary bud & terminal bud are derived from the activity of (CBSE AIPMT 2002)

Lateral meristem
Intercalary meristem
Apical meristem
Parenchyma

Answer- Apical meristem

Q40) Which of the following statements is true? (CBSE AIPMT 2002)

Vessels are multicellular with narrow lumen
Tracheids are multicellular with narrow lumen
Vessels are unicellular with wide lumen
Tracheids are unicellular with wide lumen

Answer-Vessels are multicellular with narrow lumen

Q41) Loading of phloem is related to (CBSE AIPMT 2001)

Increases of sugar in phloem
Elongation of phloem cell
Separation of phloem parenchyma
Strengthening of phloem fibre

Answer- Increases of sugar in phloem

Q42) What happens during vascularisation in plants? (CBSE AIPMT 2000)

Differentiation of procambium is immediately followed by the development of secondary xylem & phloem
Differentiation of procambium followed by the development of xylem & phloem
Differentiation of procambium, xylem & phloem is simultaneous
Differentiation of procambium followed by the development of primary phloem & then by primary xylem

Answer- Differentiation of procambium, xylem & phloem is simultaneous