• Chapter 5 : Morphology of Flowering Plants Assignments 1

    Seeds of some plants germinate immediately after shedding from the
    plants while in other plants they require a period of rest before
    germination. The later phenomena is called as dormancy. Give the
    reasons for seed dormancy and some methods to break it.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 2

    How do you distinguish between hypogeal germination and epigeal
    germination? What is the role of cotyledon (s) and the endosperm in the
    germination of seeds?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 3

    Sunflower is not a flower. Explain.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 4

    The arrangements of ovules within the ovary is known as placentation.
    What does the term placenta refer to? Name and draw various types of
    placentations in the flower as seen in T.S. or V.S..

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  • Chapter 5 : Morphology of Flowering Plants Assignments 5

    The mode of arrangements of sepals or petals in a floral bud is known as
    aestivation. Draw the various types of aestivation possible for a typical
    pentamerous flower.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 6

    Stolon, offset and rhizome are different forms of stem modifications. How
    can these modified forms of stem be distinguished from each other?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 7

    Describe various stem modifications associated with food storage,
    climbing and protection.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 8

    Distinguish between families Fabaceae, Solanaceae, Liliaceae on the basis
    of gynoecium characteristics (with figures), Also write economic
    importance of any one of the above family.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 9

    Differentiate between
    a. Bract and Bracteole
    b. Pulvinus and petiole
    c. Pedicel and peduncle
    d. Spike and spadix
    e. Stamen and staminoid
    f. Pollen and pollenium

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  • Chapter 5 : Morphology of Flowering Plants Assignments 10

    Rhizome of ginger is like the roots of other plants that grows
    underground. Despite this fact ginger is a stem and not a root. Justify.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 11

    Tendrils of grapevines are homologous to the tendril of pumpkins but
    are analogous to that of pea. Justify the above statement.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 12

    Why is maize grain usually called as a fruit and not a seed?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 13

    Tendrils are found in the following plants. Identify whether they are stem
    tendrils or leaf tendrils.
    a. Cucumber
    b. Peas
    c. Pumpkins
    d. Grapevine
    e. Watermelons

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  • Chapter 5 : Morphology of Flowering Plants Assignments 14

    How can you differentiate between free central and axile placentation?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 15

    Mango and coconut are ‘drupe’ type of fruits. In mango fleshy mesocarp
    is edible. What is the edible part of coconut? What does milk of tender
    coconut represent?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 16

    You have heard about several insectivorous plants that feed on insects.
    Nepenthes or the pitcher plant is one such example, which usually grows
    in shallow water or in marsh lands. What part of the plant is modified
    into a ‘pitcher’? How does this modification help the plant for food even
    though it can photosynthesize like any other green plant?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 17

    Reticulate venation is found in dicot leaves while in monocot leaves
    venation is of parallel type. Biology being a ‘Science of exceptions’, find
    out any exception to this generalization.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 18

    Given below are a few floral formulae of some well known plants. Draw
    floral diagrams from these formulae.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 19

    A typical angiosperm flower consists of four floral parts. Give the names
    of the floral parts and their arrangements sequentially.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 20

    Draw diagrams of a typical monocot and dicot leaves to show their
    venation pattern

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  • Chapter 5 : Morphology of Flowering Plants Assignments 21

    The essential functions of roots are anchorage and absorption of water
    and minerals in the terrestrial plant. What functions are associated with
    the roots of aquatic plants. How are roots of aquatic plants and terrestrial
    plants different?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 22

    Give two examples of roots that develop from different parts of the
    angiospermic plant other than the radicle.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 23

    Name the body part modified for food storage in the following
    a. Carrot __________________________
    b. Colocasia __________________________
    c. Sweet potato __________________________
    d. Asparagus __________________________
    e. Radish __________________________
    f. Potato __________________________
    g. Dahlia __________________________
    h. Turmeric __________________________
    i. Gladiolus __________________________
    j. Ginger __________________________
    k. Portulaca __________________________

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  • Chapter 5 : Morphology of Flowering Plants Assignments 24

    In epigynous flower, ovary is situated below the _____________.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 25

    Which parts in ginger and onion are edible?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 26

    Reticulate and parallel venation are characteristic of _____________ and
    _____________ respectively.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 27

    In aquatic plants like Pistia and Eichhornia, leaves and roots are found
    near _____________.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 28

    In swampy areas like the Sunderbans in West Bengal, plants bear special
    kind of roots called _____________.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 29

    In Opuntia the stem is modified into a flattened green structure to perform
    the function of leaves (i.e., photosynthesis). Cite some other examples of
    modifications of plant parts for the purpose of photosynthesis.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 30

    Write floral formula for a flower which, is bisexual; actinomorphic; sepals
    five, twisted aestivation, petals five; valvate aestivation; stamens six; ovary
    tricarpellary, syncarpous, superior, trilocular with axile placentation.
    3. In Opuntia the stem is modified into a flattened green structure to perform

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  • Chapter 5 : Morphology of Flowering Plants Assignments 31

    Explain with examples. What are the different modifications of adventitious
    roots?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 32

    Describe the sub- aerial modifications of stem.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 33

    What is aestivation? What are its different types give examples.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 34

    How would you differentiate leaflets of a compound leaf from simple leaves
    on a branch?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 35

    “Underground parts of a plant are not always roots” justify the statement.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 36

    Write the floral formula & draw the floral diagram of family Liliaceae.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 37

    Differentiate between true fruit & false fruit.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 38

    Why is leaf of Neem called unipinnately compound.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 39

    Which plants part has given rise to following modifications:-
    a) Spines of opuntia b) Pitcher of Nepenthes.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 40

    Name two plants where seeds do not have endosperm?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 41

    What do you mean by “modification of roots”. Describe some of the
    modifications of tap roots giving suitable example.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 42

    Compare Trailer, runner & sucker.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 43

    Give four types of underground stem & give examples for each.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 44

    Draw the floral formula & floral diagram of family solanaceae.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 45

    What is inflorescence? What are its two types?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 46

    Distinguish between prop root & stilt roots

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  • Chapter 5 : Morphology of Flowering Plants Assignments 47

    “Flower is a modified shoot.” justify the statement.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 48

    Why root system is poorly developed in aquatic plants.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 49

    Which family has characteristically a swollen axile placenta.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 50

    Name the two layers of seed coat.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 51

    Describe the aerial modifications of stem.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 52

    Differentiate between Tuber & Bulb.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 53

    How do various leaf modifications help plants?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 54

    Write differences between phyllode & phylloclade.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 55

    Draw a well labeled diagram of V.S. of maize seed.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 56

    Explain with suitable examples of different types phyllotaxy

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  • Chapter 5 : Morphology of Flowering Plants Assignments 57

    Why are flowers of mustard referred to as hypogynous.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 58

    What are runners?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 59

    What is the term used for a plant bearing both male & female flowers.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 60

    What is a flower? Describe the parts of typical angiospermic plants with the
    help of a diagram.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 61

    How is herbaceous stem different from a woody stem?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 62

    Describe the arrangement of floral members in relation to their insertion on
    thalamus.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 63

    Why is leaf of Bombax categorized as palmately compound multifoliate leaf?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 64

    Define venation? What are two types of venation?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 65

    What is the difference between alternate & whorled phylotaxy.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 66

    What is false fruit?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 67

    Why are flowers of cucumber referred to as epigynous ?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 68

    Write floral formula of Brassica Campestris.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 69

    Describe the various types of placentations found in flowering plants &
    represent diagrammatically.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 70

    Differentiate between a maiz grain & a bean seed?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 71

    Describe that parts of a typical angiospermic leaf?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 72

    Give reason to justify that onion bulb is a modified stem?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 73

    Differentiate between epigynous & perigynous flowers.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 74

    What is Rhizome? Give its two examples.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 75

    What is placentation?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 76

    Why are date palm referred to as dioecious?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 77

    Name one monocot & one dicot in which endosperm is present?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 78

    Describe the arrangement of floral members in relation to their insertion on thalamus

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  • Chapter 5 : Morphology of Flowering Plants Assignments 79

    Write the floral formula of a actinomorphic, bisexual, hypogynous flower with five united sepals, five free petals, five free stamens and two united carples with superior ovary and axile placentation.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 80

    Define the term inflorescence. Explain the basis for the different types inflorescence in flowering plants.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 81

    How do the various leaf modifications help plants?

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  • Chapter 5 : Morphology of Flowering Plants Assignments 82

    What is a flower? Describe the parts of a typical angiosperm flower

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  • Chapter 5 : Morphology of Flowering Plants Assignments 83

    Describe the various types of placentations found in flowering plants.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 84

    Take one flower each of the families Fabaceae and Solanaceae and write its semi-technical description. Also draw their floral diagram after studying them.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 85

    Describe modifications of stem with suitable examples.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 86

    Draw the labelled diagram of the following: (i) gram seed (ii) V.S. of maize seed

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  • Chapter 5 : Morphology of Flowering Plants Assignments 87

    Differentiate between (a) Racemose and cymose inflorescence (b) Fibrous root and adventitious root (c) Apocarpous and syncarpous ovary

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  • Chapter 5 : Morphology of Flowering Plants Assignments 88

    Define the following terms: (a) aestivation (b) placentation (c) actinomorphic (d) zygomorphic (e) superior ovary (f) perigynous flower (g) epipetalous stamen

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  • Chapter 5 : Morphology of Flowering Plants Assignments 89

    Explain with suitable examples the different types of phyllotaxy.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 90

    Justify the following statements on the basis of external features: (i) Underground parts of a plant are not always roots. (ii) Flower is a modified shoot.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 91

    Justify the following statements on the basis of external features: (i) Underground parts of a plant are not always roots. (ii) Flower is a modified shoot.

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  • Chapter 5 : Morphology of Flowering Plants Assignments 92

    What is meant by modification of root? What type of modification of root is found in the: (a) Banyan tree (b) Turnip (c) Mangrove trees

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    • Description:-

    Lecture 4: Revison
    In the last class, we had completed our Chapter 5 – Morphology of Flowering Plants. Now today, you are going to revise the whole chapter through summary of the chapter, key points and practice paper, HOTS 
    Please go through all the topics which we had studied till now, their notes. Properly do the assignments, watch videos of the concerned topics.
    If you have any doubt about any topic/point please submit it in the discussion section... it will be answered as soon as possible.
    Now ...you can attempt quiz given of this chapter to check your concept clearance about the chapter.

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