Please see Chapter 5 Morphology of Flowering Plants Exam Questions Class 11 Biology below. These important questions with solutions have been prepared based on the latest examination guidelines and syllabus issued by CBSE, NCERT, and KVS. We have provided Class 11 Biology Exam Questions and answers for all chapters in your NCERT Book for Class 11 Biology. These solved problems for Morphology of Flowering Plants in Class 11 Biology will help you to score more marks in upcoming examinations.
Exam Questions Chapter 5 Morphology of Flowering Plants Class 11 Biology
Objective Questions
Question. Leaves
(a) Originate from shoot apical meristem
(b) Are arranged in an acropetalorder
(c) Are the most important vegetative organs for photosynthesis
(d) All
Answer
D
Question. Presence of sheathing leaf base covering the stem partially or wholly is the characteristic of certain
(a) Monocots
(b) Fern
(c) Cycas
(d) Coconut
Answer
A
Question. Multifoliate compound leaf (Palmately compound leaf) is found in
(a) Tamarind
(b) Silk cotton(Bombax)
(c) Moringa
(d) Rose
Answer
B
Question. Arrangement of leaves on stem or its branches is called
(a) Phyllotaxy
(b) Venation
(c) Vernation
(d) Heterophylly
Answer
A
Question. Identify the order where plants show alternate, opposite and whorled phyllotaxy
(a) China rose,Nerium and Calotropis
(b) China rose,Calotropis and Nerium
(c) Neem,calotropis and China rose
(d) Calotropis,China rose and Nerium
Answer
B
Question. Inflorescence is meant for
(a) Bearing flower
(b) Ensuring cross pollination
(c) Protection of flowers
(d) Fruits formation
Answer
B
Question. Cymose inflorescence is identified by
(a) Basipetal arrangement of flowers on the main axis (peduncle)
(b) The limited growth of the main axis as main axis terminates in a flower
(c) (a) and (b)
(d) Presence of sessile flower
Answer
C
Question. In which of the following perianths are found?
(a) Lily
(b) China rose
(c) Rose
(d) Pea
Answer
A
Question. Choose the incorrect match
(a) Zygomorphic fowers(Bilateral symmetry)-pea,gulmohur,bean,Cassia
(b) Asymmetric(irregular flower)-Canna
(c) Inferior ovary-pea
(d) Superiorovary/Hypogynous flower-mustard,china rose and brinjal
Answer
C
Question. Didynamous(2 long and 2 short stamens) condition is seen in
(a) Salvia, Tulsi
(b) Litchi, Pea
(c) Mustard, onion
(d) Datura, mango
Answer
A
Question. The formation of fruit from ovary without fertilization is called
(a) Parthenogenesis
(b) Apomixis
(c) Parthenocarpy
(d) Amphimixis
Answer
C
Question. Parthenocarpic fruit is a
(a) Seeded fruit
(b) Seedless fruit
(c) Single seeded fruit
(d) Fruit of no use
Answer
B
Question. The wall of fruit is called
(a) Epicarp
(b) Sporocarp
(c) Pericarp
(d) Cytocarp
Answer
C
Question. Thick and fleshy pericarpis differentiated into
(a) Epicarpand endocarp
(b) Epicarp, mesocarpand endocarp
(c) Epicarpand sporocarp
(d) Sporocarpand cytocarp
Answer
B
Question. In coconut
(a) Mesocarpis fibrous
(b) Endosperm is edible
(c) Both
(d) Mesocarpis edible
Answer
C
Question. Which of the following statements is correct?
(a) The ovules after fertilisation,develop into seeds
(b) A seed consists of a seed coat and an embryo
(c) The embryo consists of a radicle,anembryonal axis and 1or2 cotyledons
(d) All
Answer
D
Question. Primary roots and its branches constitute
(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. Pneumatophores are useful in
(a) Respiration
(b) Transpiration
(c) Guttation
(d) Protein synthesis
Answer
A
Question. Regions of root from base to root tip are
(a) Maturation zone -Cell division zone -Elongation zone
(b) Maturation zone -Elongation zone -Cell division zone
(c) Cell division zone –Elongation zone -Maturation zone
(d) Elongation zone -Cell division zone -Maturation zone
Answer
B
Question. Stilt roots grow from
(a) Lower internodes
(b) Lower nodes
(c) Upper nodes
(d) Upper internodes
Answer
B
Question. Prop or pillar roots in Banyan tree are
(a) Fasciculate roots
(b) Tap roots
(c) Adventitious roots
(d) Secondary roots
Answer
C
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. Primary function of stem is to
(a) Bear and hold leaves
(b) Absorb water and minerals
(c) Fixation of plants
(d) Help in vegetative reproduction
Answer
A
Question. Thorn develops from
(a) Root
(b) Leaf
(c) Axillary bud
(d) Peduncle
Answer
C
Question. Which of the following plant parts elongates directly and leads to the formation of primary roots?
(a) bud
(b) radicle
(c) plumule
(d) root hair
Answer
B
Question. Fibrous root system is found in
(a) monocotyledonous plants.
(b) dicotyledonous plants.
(c) bryophytes.
(d) gymnosperms.
Answer
A
Question. Root hairs develop from
(a) region of maturation
(b) region of elongation
(c) region of meristematic activity
(d) root cap
Answer
A
Question. Fibrous roots develop in maize from
(a) upper nodes
(b) lower nodes
(c) upper internodes
(d) none of these
Answer
B
Question. Stilt roots occur in __________ .
(a) groundnut
(b) rice
(c) sugarcane
(d) wheat
Answer
C
Question. Which of the following plants grow in swampy areas, where the roots come out of the ground and grow vertically upwards?
(a) Potato
(b) Opuntia
(c) Rhizophora
(d) Grass
Answer
C
Question. Which of the following plant parts is generally green when young and later often becomes woody and dark brown?
(a) stem
(b) seed
(c) leaves
(d) flower
Answer
A
Question. Which of the following groups of plants have underground stems?
(a) Potato, ginger, turmeric, Euphorbia, zaminkand
(b) Potato, ginger, turmeric, zaminkand, Colocasia
(c) Potato, Citrus, Opuntia, zaminkand, Colocasia
(d) Potato, cucumber, watermelon, zaminkand, Colocasia
Answer
B
Question. Which of the following is a modified stem for the protection of plants from browsing animals?
(a) Tendrils
(b) Thorns
(c) Rhizome
(d) Tuber
Answer
B
Question. In which of the following plants, a slender lateral branch arises from the base of the main axis, and after growing aerially arch downwards to touch the ground?
(a) Mint and jasmine
(b) Banana and pineapple
(c) Grass and stawberry
(d) Pistia and Eichhornia
Answer
A
Question. Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons.
(a) reticulate and parallel
(b) parallel and reticulate
(c) reticulate and perpendicular
(d) obliquely and parallel
Answer
A
Question. The main purpose of phyllotaxy for the leaves is to provide sufficient_______.
(a) soil
(b) air
(c) water
(d) light
Answer
D
Question. Which type of function is performed by the fleshy leaves of onion and garlic?
(a) Storage
(b) Reproduction
(c) Photosynthesis
(d) Protection
Answer
A
Question. When a flower has both androecium and gynoecium, it is known as__________.
(a) asexual
(b) bisexual
(c) unisexual
(d) multisexual
Answer
B
Question. A sterile stamen is known as
(a) staminode
(b) anther
(c) pollen grain
(d) filament
Answer
A
Question. Which one of the following structure is not associated with gynoecium?
(a) Ovary
(b) Style
(c) Stigma
(d) Filament
Answer
D
Question. A scar on the seed coat through which the developing seeds are attached to the fruit is called as ________.
(a) testa
(b) tegmen
(c) hilum
(d) micropyle
Answer
C
Question. Botanical name of banana is
(a) Musa paradisica
(b) Phaseolus vulgaris
(c) Ricinus communis
(d) Ananas sativus
Answer
A
Statement Type Questions
Question. Which one of the following statements is not correct?
(a) Each stamen which represents the male reproductive organ consists of a stalk or a filament and an anther.
(b) An actinomorphic flower can be dissected into two equal halves from any plane.
(c) Superior ovary is found in hypogynous flowers.
(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?
(i) The arrangement of veins and the veinlets in the lamina of leaf is called venation.
(ii) Reticulate venation is the characteristic of monocots.
(iii) When the veinlets form a network, the venation is termed as reticulate venation.
(iv) When the veins run parallel to each other within a lamina, the venation is termed as parallel venation.
(a) Only (i)
(b) Both (i) and (ii)
(c) (i), (iii) and (iv)
(d) All of these
Answer
C
Question. Which one of the following characteristics is not related to gynoecium?
(a) It is the female reproductive part of the flower.
(b) It is composed of stamens.
(c) Stigma is usually at the tip of the style and is the receptive surface for pollen grains.
(d) Each ovary bears one or more ovules attached to a flattened, cushion like placenta.
Answer
B
Question. Which of the following statements are correct?
(i) From the region of elongation, some of the epidermal cells form root hairs.
(ii) Pneumatophores are seen in Rhizophora.
(iii) Adventitious roots are seen in the banyan tree.
(iv) Maize and sugarcane have prop roots.
(a) (i) and (iv)
(b) (i), (iii) and (iv)
(c) (iii) and (iv)
(d) (ii) and (iii)
Answer
D
Question. Which of the following statement (s) is/are not correct?
(i) Calyx and corolla are reproductive organs of a flower.
(ii) Zygomorphic flower can be divided into two equal radial halves in any radial plane.
(iii) Flowers without bracts are termed as bracteate.
(iv) Parthenocarpic fruit is formed after fertilization of the ovary.
(v) In legumes, seed is non-endospermic.
(vi) Radical buds develop on roots.
(a) (i) , (ii), (iii) and (iv)
(b) (i), (ii) and (v)
(c) (iii), (iv) and (vi)
(d) (iv), (v) and (i)
Answer
A
Question. Read the following statements and answer the question.
(i) Gynoecium is situated in the centre, and other parts of the flower are located on the rim of the thalamus almost at the same level.
(ii) Ovary is half-inferior.
(iii) Examples are plum, rose and peach.
Which condition of flowers is being described by the above statements ?
(a) hypogyny
(b) perigyny
(c) epigyny
(d) none of these
Answer
B
Question. Which of the following statement(s) is/are correct about the fruit?
(i) Fruit is a mature or ripened ovary, developed before fertilization.
(ii) It consists of a wall or pericarp and seeds.
(iii) When pericarp is thick and fleshy, it is differentiated into outer mesocarp, middle epicarp and inner endocarp.
(iv) In mango and coconut, the fruit is known as a berry.
(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) Imbricate aestivation is found in the papilionaceous family.
(b) Generally, sepals are green, leaf like and protect the flowers in the bud stage.
(c) In cymose type of inflorescence, the main axis terminates in a flower, hence is limitless in growth.
(d) In axile placentation ovary is one chambered but it becomes two cambered due to the formation of false septum.
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 (Placentation Types) | Column-II (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 (Family) | Column-II (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
Question. Match column – I, II and III and choose the correct option.
(a) A – V, t; B – II, s; C -I, r; D -III, q; E -IV, p
(b) A – I, t; B – II, s; C – III, r; D – IV, p; E – V, q
(c) A – V, p; B – II, s; C – I, q; D – III, r; E – IV, t
(d) A – V, p; B – III, q; C – II, s; D – I, t; E – IV, r
Answer
A