Anatomy of Flowering Plants (Class 11) - MERIT YARD
[Anatomy of Flowering Plants - VVI MCQs - MERIT YARD]
Question 1 / 40Which of the following tissues is responsible for the increase in girth of the plant?
A) Apical Meristem
B) Intercalary Meristem
C) Lateral Meristem
D) Parenchyma
Question 2 / 40Living mechanical tissue in plants is:
A) Sclerenchyma
B) Collenchyma
C) Parenchyma
D) Xylem vessels
Question 3 / 40Which of the following xylem elements is living?
A) Tracheids
B) Vessels
C) Xylem parenchyma
D) Xylem fibres
Question 4 / 40In which group of plants do xylem vessels lack?
A) Gymnosperms
B) Angiosperms
C) Monocots
D) Dicots
Question 5 / 40Sieve tubes and companion cells are found in:
A) Xylem
B) Phloem
C) Cambium
D) Epidermis
Question 6 / 40Which tissue system forms the main bulk of the plant body?
A) Epidermal
B) Ground tissue
C) Vascular
D) Meristematic
Question 7 / 40Radial vascular bundles are characteristic of:
A) Stem
B) Root
C) Leaf
D) Flower
Question 8 / 40In a dicot root, the vascular bundles are:
A) Conjoint and Open
B) Conjoint and Closed
C) Radial and Exarch
D) Collateral and Endarch
Question 9 / 40The innermost layer of the cortex in roots is:
A) Pericycle
B) Endodermis
C) Pith
D) Hypodermis
Question 10 / 40Closed vascular bundles lack:
A) Xylem
B) Phloem
C) Cambium
D) Pith
Question 11 / 40Casparian strips are found in:
A) Epidermis
B) Pericycle
C) Endodermis
D) Phloem
Question 12 / 40Secondary growth occurs in:
A) Dicot stem and Dicot root
B) Monocot stem
C) Monocot root
D) Leaves
Question 13 / 40Cork cambium is also known as:
A) Phelloderm
B) Phellogen
C) Phellem
D) Periderm
Question 14 / 40Heartwood differs from sapwood in:
A) Being dead and filled with resins/tannins
B) Conducting water
C) Being light in color
D) Having living cells
Question 15 / 40Which cells regulate the opening and closing of stomata?
A) Epidermal cells
B) Guard cells
C) Accessory cells
D) Mesophyll cells
Question 16 / 40In a dorsiventral leaf, the palisade parenchyma is located:
A) Adaxial (Upper) side
B) Abaxial (Lower) side
C) Both sides
D) Near veins only
Question 17 / 40Bulliform cells are found in the leaves of:
A) Grasses (Monocots)
B) Sunflower
C) Mango
D) Peepal
Question 18 / 40The wood formed during spring is called:
A) Late wood
B) Early wood
C) Heart wood
D) Hard wood
Question 19 / 40Lenticels help in:
A) Transpiration
B) Gaseous exchange
C) Photosynthesis
D) Absorption
Question 20 / 40Bark includes all tissues outside the:
A) Epidermis
B) Vascular cambium
C) Endodermis
D) Pith
Question 21 / 40Stomata are distributed equally on both surfaces in:
A) Dicot leaf
B) Monocot leaf
C) Gymnosperms
D) Aquatic plants
Question 22 / 40Interfascicular cambium develops from:
A) Endodermis
B) Medullary rays
C) Pericycle
D) Xylem
Question 23 / 40Meristematic tissues found between mature tissues are:
A) Apical Meristem
B) Intercalary Meristem
C) Lateral Meristem
D) Secondary Meristem
Question 24 / 40Vascular bundles in a monocot stem are:
A) Ring arrangement
B) Scattered
C) Radial
D) Conjoint and Open
Question 25 / 40Pith is well-developed in:
A) Dicot stem and Monocot root
B) Dicot root
C) Monocot stem
D) Leaf
Question 26 / 40Collenchyma is absent in:
A) Monocots
B) Dicots
C) Herbs
D) Petioles
Question 27 / 40Protoxylem is located towards the center and metaxylem towards periphery in:
A) Root (Exarch)
B) Stem (Endarch)
C) Both
D) Leaf
Question 28 / 40Pericycle of roots is responsible for:
A) Absorption
B) Initiation of lateral roots
C) Photosynthesis
D) Protection
Question 29 / 40Which of the following cells lack nucleus at maturity?
A) Companion cells
B) Sieve tube elements
C) Phloem parenchyma
D) Bast fibres
Question 30 / 40The waxy layer on the epidermis of leaves to prevent water loss is:
A) Suberin
B) Cuticle
C) Lignin
D) Pectin
Question 31 / 40Bast fibres are obtained from:
A) Xylem
B) Phloem
C) Endodermis
D) Pericycle
Question 32 / 40Vascular cambium is a type of:
A) Primary Meristem
B) Secondary Meristem
C) Apical Meristem
D) Permanent Tissue
Question 33 / 40How many types of tissue systems are there in plants?
A) 2
B) 3
C) 4
D) 5
Question 34 / 40Epidermal hairs on the stem are called:
A) Trichomes
B) Root hairs
C) Lenticels
D) Guard cells
Question 35 / 40The function of companion cells is to:
A) Maintain pressure gradient in sieve tubes
B) Conduct water
C) Provide strength
D) Store food
Question 36 / 40A monocot root differs from a dicot root in having:
A) Polyarch vascular bundles
B) Limited xylem bundles
C) Small pith
D) Secondary growth
Question 37 / 40Fascicular vascular cambium is located:
A) Between primary xylem and phloem
B) Outside phloem
C) Inside xylem
D) In the pith
Question 38 / 40The study of internal structure of plants is called:
A) Morphology
B) Anatomy
C) Physiology
D) Taxonomy
Question 39 / 40Soft wood is also known as:
A) Hardwood
B) Gymnosperm wood
C) Dicot wood
D) Heartwood
Question 40 / 40Annual rings are distinct in plants growing in:
A) Temperate regions
B) Tropical regions
C) Coastal regions
D) Deserts