NEET Biology Anatomy Of Flowering Plants MCQs Set 02

Question:  Tissues are

• a) Groups of cells which are similar in origin and function
• b) Groups of organs which are similar in origin and function
• c) Cells which are similar in function but not in origin
• d) Groups of cells which are not similar in origin and function

Answer: Groups of cells which are similar in origin and function

Question: Plant tissues are divided into meristematic and permanent tissues on which of the following basis?

• a) Position
• b) Whether the cells being formed are capable of dividing or not
• c) Whether the plant is a dicot or a monocot
• d) Origin

Answer: Position

Question: The axillary bud is constituted by the cells ‘left behind’ from

• a) Shoot apical meristem
• b) Lateral meristem
• c) Root apical meristem
• d) Intercalary meristem

Answer: Shoot apical meristem

Question: The woody axis of flowering plants is produced by

• a) Secondary meristem
• b) Primary meristem
• c) Apical meristem
• d) Intercalary meristem

Answer: Secondary meristem

Question: All of the following are lateral meristems, except

• a) Intercalary meristem
• b) Fascicular vascular cambium
• c) Cork cambium
• d) Interfascicular cambium

Answer: Intercalary meristem

Question: What is the function of lateral meristem?

• a) It increases girth of the plant axis
• b) It increases only length of the plant axis
• c) It gives rise to the lateral branches
• d) It increases girth as well as length of the plant axis

Answer: It increases girth of the plant axis

Question: The parenchymatous cells are

• a) Thin-walled
• b) Thick-walled and dead
• c) Thick-walled
• d) Dead

Answer: Thin-walled

Question: Collenchyma differs from parenchyma in

• a) Possessing thick cell wall
• b) Containing chloroplasts usually
• c) Lacking protoplasm
• d) Being meristematic

Answer:  Possessing thick cell wall

Question: Which among the following are absent in the collenchyma?

• a) Intercellular spaces
• b) Pectin deposition
• c) Vacuoles
• d) Chloroplasts

Answer: Intercellular spaces

Question: The elongated, thick-walled and tapering cells are

• a) Sclerenchymatous
• b) Chlorenchymatous
• c) Collenchymatous
• d) Parenchymatous

Answer: Sclerenchymatous

Question: Sclereids are commonly found in

• a) Fruit walls of nuts
• b) Fleshy stems
• c) Young stems and petioles of leaves
• d) Roots

Answer: Fruit walls of nuts

Question: What is the function of vessels in flowering plants?

• a) Transport of water and minerals
• b) To get rid of excess water
• c) Transport of food
• d) Photosynthesis

Answer: Transport of water and minerals

Question:  Which of the following statements is correct?

• a) The presence of vessels is a characteristic feature of angiosperms
• b) Angiosperms lack vessels in their xylem
• c) The cells of vessels are living
• d) Vessel is a long cylindrical tube-like cell made up of many vessel members

Answer: The presence of vessels is a characteristic feature of angiosperms

Question: Which of the following is true for endarch type of primary xylem?

• a) Metaxylem lies towards the periphery of the organ
• b) Protophloem lies towards the pith of the organ
• c) Protoxylem lies towards the periphery of the organ
• d) Metaxylem lies towards the pith of the organ

Answer: Metaxylem lies towards the periphery of the organ

Question: Which of the following is absent in most of the monocotyledons?

• a) Phloem parenchyma
• b) Tracheids
• c) Vessels
• d) Xylem parenchyma

Answer: Phloem parenchyma

Question: Stomata are the component of

• a) Epidermal tissue system
• b) Conducting tissue system
• c) Ground tissue system
• d) Vascular tissue system

Answer: Epidermal tissue system

Question:  The specialised epidermal cells present in the vicinity of guard cells are called

• a) Subsidiary cells
• b) Endodermal cells
• c) Companion cells
• d) Bulliform cells

Answer: Subsidiary cells

Question: Root hairs are the

• a) Unicellular elongations of epidermal cells
• b) Multicellular elongations of epidermal cells
• c) Acellular elongations of epidermal cells
• d) Multicellular elongations of endodermal cells

Answer: Unicellular elongations of epidermal cells

Question: The distinguishing feature of open vascular bundles is presence of

• a) Cambium
• b) Xylem and phloem
• c) Pericycle
• d) Endodermis

Answer: Cambium

More Questions................................

Question: Which type of arrangement of vascular bundles occurs in the roots of monocots

• a) Radial
• b) Conjoint open
• c) Conjoint closed
• d) Bicollatera

Answer: Radial

Question: The presence of cambium in the vascular bundles provides them the ability to

• a) Form secondary tissues
• b) Conduct photosynthesis
• c) Radially transport the food
• d) Prevent water loss due to transpiration

Answer: Form secondary tissues

Question: Lateral roots arise from

• a) Pericycle
• b) Conjuctive tissue
• c) Cambium ring
• d) Endodermis

Answer: Pericycle

Question: Polyarch xylem bundles are found in

• a) Monocot root
• b) Dicot root
• c) Monocot stem
• d) Dicot stem

Answer: Monocot root

Question:  The casparian strips are present on the plant cells of root which are

• a) Barrel-shaped
• b) Lens-shaped
• c) Dumb-bell shaped
• d) Bean-shaped

Answer: Barrel-shaped

Question: The conjuctive tissue lies between the

• a) Xylem and phloem
• b) Pericycle and endodermis
• c) Epidermis and hypodermis
• d) Epidermis and cortex

Answer: Xylem and phloem

Question: In which of the following characters, a monocot root differs from a dicot root?

• a) Large pith
• b) Single layered endodermis
• c) Radial vascular bundles
• d) Conjuctive tissue in between xylem and phloem

Answer: Large pith

Question: Vascular bundles surrounded by a sclerenchymatous bundle sheath is a feature of

• a) Monocot stem
• b) Dicot stem
• c) Monocot root
• d) Dicot root

Answer: Monocot stem

Question: The central most portion of stem of dicotyledonous plants is occupied by

• a) Pith
• b) Cortex
• c) Pericycle
• d) Vascular bundles

Answer:  Pith

Question: Which of the following is not true for the vascular bundles of monocotyledonous stems?

• a) ‘Ring’ arrangement
• b) Scattered in the ground tissue
• c) Possess water-containing cavities
• d) Conjoint and closed

Answer: ‘Ring’ arrangement

Question: The epidermis in a dorsiventral leaf

(a) Covers both adaxial and abaxial surfaces
(b) Is not covered by cuticle
(c) Bears more stomata on the upper side
(d) May even lack stomata on the upper side
Which of the above statements are correct?

• a) (a) & (d)
• b) (b) & (c)
• c) (b) & (d)
• d) (a) & (c)

Answer: (a) & (d)

Question: Choose correct option w.r.t. spongy mesophyll in dicot leaf

• a) Numerous large spaces and air cavities between its cells
• b) A large number of chloroplasts
• c) Present on the adaxial surface
• d) Vertical and parallel arrangement of cells

Answer: Numerous large spaces and air cavities between its cells

Question:  The size of vascular bundles in a dorsiventral leaf is dependent on

• a) Size of veins
• b) Number of stomata
• c) Number of veins
• d) Size of lamina

Answer: Size of veins

Question: The stomata in an isobilateral leaf

• a) Are present on both the surfaces of the epidermis
• b) Are present only on the abaxial epidermis
• c) Are present only on the adaxial epidermis
• d) Are absent on both the surfaces of the epidermis

Answer: Are present on both the surfaces of the epidermis

Question: During water stress, the bulliform cells

(a) Become turgid
(b) Become flaccid
(c) Make the leaves curl inwards
(d) Make the leaf surface exposed
The correct options are

• a) (b) & (c)
• b) (a) & (d)
• c) (b) & (d)
• d) (a) & (c)

Answer: (b) & (c)

Question: The tissue which participates in the secondary growth is

• a) Lateral meristem
• b) Apical meristem
• c) Intercalary meristem
• d) Primary meristem

Answer: Lateral meristem

Question: The intrafascicular cambium

• a) Is a meristematic tissue
• b) Is secondary meristem
• c) Is a simple permanent tissue
• d) Is a complex permanent tissue

Answer: Is a meristematic tissue

Question: The cambial ring is generally

• a) More active on the inner side than on the outer
• b) Equally active towards both sides
• c) More active on the outer side than on the inner
• d) Equally inactive towards both sides

Answer: More active on the inner side than on the outer

Question: In a dicot stem, the interfascicular cambium strip arises

• a) From medullary rays
• b) From pericycle
• c) Between xylem and phloem
• d) From pith

Answer:  From medullary rays

Question: The wood is, in fact a

• a) Secondary xylem
• b) Secondary phloem
• c) Primary phloem
• d) Primary xylem

Answer: Secondary xylem

Question: An annual ring is formed by

• a) Two alternate rings of spring wood and autumn wood
• b) Two consecutive rings of spring wood
• c) Two consecutive rings of autumn wood
• d) Two alternate rings of sapwood and heartwood

Answer: Two alternate rings of spring wood and autumn wood

Question:  Growth rings are generally well marked in trees growing in

• a) Shimla
• b) Kolkata
• c) Chennai
• d) Mumbai

Answer: Shimla

Question: Which of the following is the function of heartwood?

• a) Mechanical support
• b) Lateral conduction of food
• c) Radial conduction of water and minerals
• d) Minimise water loss in water stress

Answer: Mechanical support

Question: The heartwood cannot conduct water because of

• a) Deposition of organic compounds
• b) Suberized cell walls
• c) Peripheral location in the stems
• d) Central location in the stems

Answer: Deposition of organic compounds

Question: Besides phellem, phellogen, root periderm comprises of

• a) More than one option is correct
• b) Phelloderm
• c) Secondary cortex
• d) Bark

Answer: More than one option is correct

Question:  The feature which is common to both heartwood and sapwood is

• a) Both are the regions of secondary xylem
• b) Both are involved in the conduction of water
• c) Both comprise dead elements with accumulation of aromatic compounds
• d) Both are located in the central layers of the stem

Answer: Both are the regions of secondary xylem

Question: In a stem which is covered by periderm and in which stomata are absent, gaseous exchange takes place through

• a) Lenticels
• b) Pneumatophores
• c) Trichomes
• d) Bulliform cells

Answer: Lenticels

Question: Bark refers to all tissues exterior to the

• a) Vascular cambium
• b) Periderm
• c) Pericycle
• d) Cork cambium

Answer: Vascular cambium

Question: Which of the following is true for the dicot roots?

• a) Both vascular and cork cambium are responsible for the secondary growth
• b) Vascular cambium arises during the primary growth
• c) They do not show secondary growth just like monocot roots
• d) Cork cambium develops during the primary growth

Answer: Both vascular and cork cambium are responsible for the secondary growth

Question: Meristem is characterized by

• a) All of these
• b) Absence of intercellular space and vacuole
• c) Isodiametric cells with cellulosic thin wall
• d) Absence of reserve food material and plastids

Answer: All of these

Question: According to histogen theory, stem epidermis is derived from

• a) Dermatogen
• b) Calyptrogen
• c) Protoderm
• d) Periblem

Answer: Dermatogen

Question:

A. According to Clowes root apex consists of an inverted cup like structure.
B. Low amount of RNA, DNA and protein is characteristic of waiting meristem.
C. Cells of reserve meristem can divide only when the root apex gets injured.

• a) All are correct
• b) A & C are incorrect
• c) A & B are incorrect
• d) B & C are incorrect

Answer: All are correct

Question: Collenchyma is a type of mechanical tissue but it is not as efficient as sclerenchyma. However, it has certain advantages like

• a) It is flexible
• b) It has no cellulose in the cell wall
• c) It offers no resistance to the growing organs
• d) It has the power of growth, it offers no resistance to the growing organs and is not flexible

Answer: It is flexible

Question:  Isodiametric sclereids, found in hard endocarp of coconut and fleshy portion of some fruits are

• a) Brachysclereids
• b) Asterosclereids
• c) Osteosclereids
• d) Trichosclereids

Answer: Brachysclereids

Question: Main water conducting element of xylem in homoxylous plants is

• a) Tracheid
• b) Xylem parenchyma
• c) Vessel
• d) Tracheary element

Answer: Tracheid

Question: In trees, the death of protoplasm is essential for a vital function such as

• a) Water transport
• b) Food transport
• c) Stomatal movements
• d) None of these

Answer:  Water transport

Question: Find set of cells connected by pit fields between their common longitudinal walls

• a) Companion cell and sieve tube
• b) Sieve tube and phloem fibre
• c) Companion cell and phloem fibres
• d) Sieve cell and albuminous cell

Answer: Companion cell and sieve tube

Question: In old sieve tubes at the end of growing season, which of the following gets deposited over sieve plate to regulate sugar transport?

• a) Callose
• b) Lignin
• c) Suberin
• d) P-protein

Answer: Callose

Question: Parenchymatous structure with intercellular spaces is

• a) Cortex
• b) Pericycle
• c) Endodermis
• d) Epidermis

Answer: Cortex