CBSE Class 11 Biology Morphology of Flowering Plants MCQs Set 06

Question: Pneumatophores are useful in
a) Respiration
b) Transpiration
c) Guttation
d) Protein synthesis
Answer: a

Question: Thick and fleshy pericarp is differentiated into
a) Epicarp and endocarp
b) Epicarp, mesocarp and endocarp
c) Epicarp and sporocarp
d) Sporocarp and cytocarp
Answer: b

Question: Stilt roots grow from
a) Lower internodes
b) Lower nodes
c) Upper nodes
d) Upper internodes
Answer: b

Question: Primary root and its branches constitute the
a) Adventitious root system
b) Tap root system
c) Fibrous roots
d) Seminal roots
Answer: b

Question: Adventitious roots are adventitious in their
a) Function
b) Position
c) Place of origin
d) Internal structure
Answer: c

Question: Regions of root from base to root tip are arranged as
a) Maturation – Cell division – Elongation
b) Maturation – Elongation – Cell division
c) Cell division – Elongation – Maturation
d) Elongation – Cell division – Maturation
Answer: b

Question: Leaves
a) Originate from shoot apical meristem
b) Are arranged in acropetal order
c) Are the most important vegetative organs for photosynthesis
d) All
Answer: d

Question: Sheathing leaf base covering the stem is characteristic of
a) Monocots
b) Fern
c) Cycas
d) Coconut
Answer: a

Question: Multifoliate (palmately compound) leaf occurs in
a) Tamarind
b) Silk cotton (Bombax)
c) Moringa
d) Rose
Answer: b

Question: Arrangement of leaves on stem is called
a) Phyllotaxy
b) Venation
c) Vernation
d) Heterophylly
Answer: a

Question: Correct order showing alternate, opposite, and whorled phyllotaxy
a) China rose, Nerium, Calotropis
b) China rose, Calotropis, Nerium
c) Neem, Calotropis, China rose
d) Calotropis, China rose, Nerium
Answer: b

Question: Inflorescence is meant for
a) Bearing flowers
b) Ensuring cross pollination
c) Protection of flowers
d) Fruit formation
Answer: b

Question: Cymose inflorescence shows
a) Basipetal arrangement on main axis
b) Main axis terminates in a flower
c) Both (a) and (b)
d) Sessile flower
Answer: c

Question: Perianth is found in
a) Lily
b) China rose
c) Rose
d) Pea
Answer: a

Question: Incorrect match
a) Zygomorphic flowers – pea, gulmohur, Cassia
b) Asymmetric flowers – Canna
c) Inferior ovary – pea
d) Superior ovary – mustard, China rose, brinjal
Answer: c

Question: Didynamous condition (2 long + 2 short stamens) is seen in
a) Salvia, Tulsi
b) Litchi, Pea
c) Mustard, Onion
d) Datura, Mango
Answer: a

Question: Formation of fruit from ovary without fertilization is
a) Parthenogenesis
b) Apomixis
c) Parthenocarpy
d) Amphimixis
Answer: c

Question: Parthenocarpic fruit is
a) Seeded
b) Seedless
c) Single seeded
d) Useless
Answer: b

Question: Wall of fruit is called
a) Epicarp
b) Sporocarp
c) Pericarp
d) Cytocarp
Answer: c

Question: In coconut
a) Mesocarp is fibrous
b) Endosperm is edible
c) Both
d) Mesocarp is edible
Answer: c

Question: Which statement is correct?
a) Ovules → seeds after fertilisation
b) Seed = seed coat + embryo
c) Embryo = radicle + axis + cotyledons
d) All
Answer: d

Question: Which of the following plant parts is generally green when young and later becomes woody and dark brown?
a) Stem
b) Seed
c) Leaves
d) Flower
Answer: a

Question: Stilt roots occur in
a) Groundnut
b) Rice
c) Sugarcane
d) Wheat
Answer: c

Question: A sterile stamen is known as
a) Staminode
b) Anther
c) Pollen grain
d) Filament
Answer: a

Question: Fibrous root system is found in
a) Monocotyledonous plants
b) Dicotyledonous plants
c) Bryophytes
d) Gymnosperms
Answer: a

Question: The main purpose of phyllotaxy is to provide sufficient
a) Soil
b) Air
c) Water
d) Light
Answer: d

Question: Which plant grows in swampy areas with roots growing upward (pneumatophores)?
a) Potato
b) Opuntia
c) Rhizophora
d) Grass
Answer: c

Question: Thorn develops from
a) Root
b) Leaf
c) Axillary bud
d) Peduncle
Answer: c

Question: Botanical name of banana is
a) Musa paradisica
b) Phaseolus vulgaris
c) Ricinus communis
d) Ananas sativus
Answer: a

Question: Prop or pillar roots in Banyan tree are
a) Fasciculate roots
b) Tap roots
c) Adventitious roots
d) Secondary roots
Answer: c

Question: Root hairs develop from
a) Region of maturation
b) Region of elongation
c) Meristematic region
d) Root cap
Answer: a

Question: Function of stem is
a) To bear leaves and branches
b) Conduction of water and minerals
c) Conduction and storage of food
d) All
Answer: d

Question: Which plant has underground stems?
a) Potato, ginger, turmeric, Euphorbia, zaminkand
b) Potato, ginger, turmeric, zaminkand, Colocasia
c) Potato, Citrus, Opuntia, zaminkand
d) Potato, cucumber, watermelon
Answer: b

Question: When a flower has both androecium and gynoecium, it is
a) Asexual
b) Bisexual
c) Unisexual
d) Multisexual
Answer: b

Question: Fibrous roots develop in maize from
a) Upper nodes
b) Lower nodes
c) Upper internodes
d) None
Answer: b

Question: Primary function of stem is to
a) Hold leaves
b) Absorb water
c) Fix plant
d) Help in vegetative propagation
Answer: a

Question: Leaves of dicots have ______ venation; monocots have ______ venation.
a) Reticulate, parallel
b) Parallel, reticulate
c) Reticulate, perpendicular
d) Oblique, parallel
Answer: a

Question: Slender branch arising from base of main axis, arches down and touches ground is seen in
a) Mint & jasmine
b) Banana & pineapple
c) Grass & strawberry
d) Pistia & Eichhornia
Answer: a

Question: Which part elongates and forms primary root?
a) Bud
b) Radicle
c) Plumule
d) Root hair
Answer: b

Question: Modified stem for protection is
a) Tendril
b) Thorn
c) Rhizome
d) Tuber
Answer: b

Question: Fleshy leaves of onion and garlic perform
a) Storage
b) Reproduction
c) Photosynthesis
d) Protection
Answer: a

Question: Structure not associated with gynoecium is
a) Ovary
b) Style
c) Stigma
d) Filament
Answer: d

Question: The scar on seed coat showing attachment to fruit is
a) Testa
b) Tegmen
c) Hilum
d) Micropyle
Answer: c

Statement Type Questions

Question: Which one of the following statements is not correct?
a) Superior ovary is found in hypogynous flowers.
b) Each stamen consists of a filament and an anther.
c) An actinomorphic flower can be dissected into two equal halves from any plane.
d) When stamens are attached to petals, they are epiphyllous as in brinjal.
Answer: d

Question: Which of the following statement(s) is/are correct about venation?
a) (i), (iii) and (iv)
b) Both (i) and (ii)
c) Only (i)
d) All of these
Answer: a

Question: Which one of the following characteristics is not related to gynoecium?
a) It is composed of stamens.
b) It is the female reproductive part of the flower.
c) Each ovary bears one or more ovules.
d) Stigma is the receptive surface for pollen grains.
Answer: a

Question: Which of the following statements are correct?
a) (i), (iii) and (iv)
b) (iii) and (iv)
c) (ii) and (iii)
d) (i) and (iv)
Answer: c

Question: Which of the following statement(s) is/are not correct?
a) (i), (ii), (iii) and (iv)
b) (iii), (iv) and (vi)
c) (iv), (v) and (i)
d) (i), (ii) and (v)
Answer: a

Question: Which condition of flowers is being described?
(i) Gynoecium at centre
(ii) Ovary half-inferior
(iii) Seen in plum, rose, peach
a) hypogyny
b) perigyny
c) epigyny
d) none of these
Answer: b

Question: Which of the following statement(s) is/are correct about fruit?
a) Only (i)
b) Both (ii) and (iii)
c) Only (ii)
d) All of these
Answer: c

Question: Which of the following statements is correct?
a) In cymose inflorescence, the main axis grows indefinitely.
b) Sepals protect flowers in the bud stage.
c) Imbricate aestivation is found in papilionaceous family.
d) Axile placentation ovary is always one-chambered.
Answer: b

Assertion/Reason Type Questions

In the following questions, a statement of Assertion is followed by a statement of Reason.
(a) If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
(b) If both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
(c) If Assertion is true but Reason is false.
(d) If both Assertion and Reason are false.

Question: Assertion : Ginger has a prostrate-growing rhizome.
Reason : Shoot growth is not effected by gravity.
Answer: b

Question: Assertion : Ginger has a prostrate growing rhizome.
Reason : Shoot growth is not effected by gravity.
Answer: b

Question: Assertion : In stem, pericycle take active part in secondary growth.
Reason : In dicots, pericycle has the capacity to produce lateral roots.
Answer: c

Matching Type Questions

Question: Match the following placentation types given in column I with their examples given in column II and choose the correct combination from the options given below.

Column-I                             Column-II 
(Placentation Types)          (Examples)
A. Basal                             I. Dianthus
B. Free central                   II. Pea
C. Parietal                         III. Lemon
D. Axile                             IV. Marigold
E. Marginal                       V. Argemone

(a) A – I, B – II, C – III, D – IV, E – V
(b) A – II, B – III, C – IV, D – V, E – I
(c) A – IV, B – I, C – V, D – III, E – II
(d) A – IV, B – III, C – V, D – I, E – II
Answer: c

Question: Match the andsoecium formula (given in column II) with their family (given in column I) and choose the correct combination from the options given below.
Column-I                     Column-II
(Family)                   (Androecium formula)
A. Brassicaceae           I. A3 + 3
B. Fabaceae                II. A(5)
C. Solanaceae            III. A(9) + 1
D. Liliaceae                IV. A2 + 4
(a) A – IV; B – III; C – II; D – I
(b) A – I; B – II; C – III; D – IV
(c) A – II; B – III; C – IV; D – I
(d) A – III; B – IV; C – I; D – II
Answer: a

Question: Match column I with column II and choose the correct option.

Column-I                                                   Column-II
A. Bud in the axil of leaf                          I. Pitcher plant and venus fly trap
B. Outer layer of seed coat                     II. Cacti
C. Spines (modified leaves)                   III. Testa
D. Leaves modified to catch insects      IV. Simple leaf
E. Fleshy leaves with stored food          V. Garlic and onion

(a) A – I, B – II, C – III, D – IV, E – V
(b) A – V, B – IV, C – III, D – II, E – I
(c) A – IV, B – III, C – II, D – I, E – V
(d) A – IV, B – II, C – III, D – I, E – V
Answer: c

Question: Matching colmun I with column II and choose the correct option.

Column I                                                                                                     Column II
A. Coleorhiza                                                                                               I. Grapes
B. Food storing tissue                                                                                  II. Mango
C. Parthenocarpic fruit                                                                                 III. Maize
D. Single seeded fruit developing from monocarpellary superior ovary       IV. Radicle
E. Membranous seed coat V. Endosperm

(a) A – III, B – I, C – IV, D – II, E – V
(b) A – IV, B – II, C – V, D – I, E – III
(c) A – V, B – I, C – III, D – IV, E – II
(d) A – IV, B – V, C – I, D – II, E – III
Answer: d