CBSE Questions for Class 11 Medical Biology Morphology Of Flowering Plants Quiz 17 - MCQExams.com

Inflorescence consisting of a number of flowers arising from the same point with the same level at the top is?
  • Corymb
  • Corymbose-raceme
  • Capitulum
  • Umbel
Spadix or inflorescence with spathe occurs in?
  • Mulberry
  • Banana
  • Coriander
  • Delonix

In Acacia species, the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnae. The leaves of adult plant has parallel veined flattened petiole and no pinnae. It shows that

  • Leaves of adult plant are reduced to phyllodes while those of the seedling are unreduced
  • The parallel-veined green structure of the adult plant are phylloclades
  • The plant shows developmental heterophylly, compound in seedling and simple in adult plant
  • The leaves of adult plant are unreduced while they are reduced in the seedling stage
A flask-shaped fleshy receptacle enclosing both the types of flowers is present in?
  • Cyathium
  • Hypanthodium
  • Coenanthium
  • Spadix
The type of inflorescence in compositae family is?
  • Capitulum
  • Verticillaster
  • Cyathium
  • Hypanthodium
The largest leaf belongs to
  • Nerium

  • Tobacco
  • Victoria$$/$$ Musa

  • Rafflesia

Family fabaceae is included under series
  • Calyciflorae
  • Thalamiflorae
  • Disciflorae
  • Microspermae
An inflorescence in which flowers arise from different points but reach the same level is known as
  • Catkin
  • Corymb
  • Umbel
  • Spadix
Which one of the following has compound umbel?
  • Coriandrum
  • Androsace
  • Centella
  • Morus
Identify the correct pair of plants with odd number of leaflets in a compound leaf.
  • Hardwickia, Gynandropsis

  • Citrus, Aegle marmelos

  • Marsilea, Gynandropsis

  • Aegle marmelos, Hardwickia

The underground storage structure in Gladiolus is
  • Corm
  • Bulb
  • Rhizome
  • Stem tuber
Cladode is
  • One internode long modified stem capable of photosynthesis
  • A specialised reproductive shoot
  • Flattened green stem of unlimited growth
  • A perennial fleshy underground stem
Elongated peduncle bearing pedicellate flowers continuously in acropetal order is?
  • Corymb
  • Umbel
  • Raceme
  • Head
Umbel inflorescence occurs in?
  • Coriandrum
  • Colocasia
  • Musa
  • Sunflower
Match the columns and select the correct options.
Column-IColumn-II
(a)Spike(i)Bougainvillea
(b)Capitulum(ii)Coleus
(c)Dichasial cyme(iii)Adhatoda
(d)Multiparous cyme(iv)Zinnia
(e)Verticillaster(v)Asclepias
  • $$a-3, b-4, c-1, d-5, e-2$$
  • $$a-3, b-1, c-4, d-5, e-2$$
  • $$a-2, b-4, c-1, d-5, e-3$$
  • $$a-4, b-2, c-5, d-1, e-3$$
  • $$a-5, b-4, c-1, d-3, e-2$$
Stem is modified into tendril in
  • Begnonia
  • Asparagus
  • Cucurbita
  • Petunia
Main role of flower is to
  • Produce offspring
  • Produce hormones
  • Attract insects
  • Secrete honey
Floret is
  • Small fruit
  • Small flower
  • Small sessile flower
  • Small neuter flower
A student observed $$34$$ inflorescence in Bougainvillea and $$42$$ inflorescence in Poinsettia. Find out the number of flowers in Bougainvillea and the number of female of flowers in Poinsettia respectively.
  • $$34, 126$$
  • $$204, 164$$
  • $$102, 42$$
  • $$68$$, indefinite
Which orientation or movement occurs in rhizome and runner
  • Ageotropic
  • Negatively geotropic
  • Diageotropic
  • Phagotropic
Floral bud is covered by
  • Petals
  • Anthers
  • Sepals
  • Stigmas
Carpels undergo torsion and are placed obliquely in
  • Brassicaceae
  • Solanaceae
  • Asteraceae
  • Liliaceae
Cup-like structure developed from adnation of sepals, petals and stamens is
  • Cyathium
  • Hypanthodium
  • Hypanthium
  • Capitulum
Which of the following is correct?
  • Placentation in primrose is basal
  • Flower is modified shoot
  • Tomato fruit is capsule
  • Orchid seeds have oil rich endosperm
Consider the following statements.
(a) In racemose inflorescence the flowers are borne in a basipetal order.
(b) Epigynous flowers are seen in rose plants.
(c) In Brinjal, the ovary is superior.
Of these statements
  • A and b are true but c is false
  • A and c are true but b is false
  • A and b are false but c is true
  • B and c are true but a is false
  • A and c are false but b is true
Modified hairy calyx is
  • Pappus
  • Perianth
  • Epicalyx
  • Accrescent
Zygomorphic flower with vexillary aestivation, diadelphous androecium and marginal placentation occurs in
  • Pisum

  • Aloe
  • Brinjal
  • Belladona

  • Asparagus

Axis between corolla and androecium is
  • Anthophore
  • Gynophore
  • Gynandrophore
  • Androphore
In racemose type of inflorescence, the subtype that exhibits all the flowers in the inflorescence are brought to the same height due to varied lengths of the pedicels and this pattern is called as
  • Capitulum or head
  • Simple umbel
  • Corymb
  • Compound umbel
Which one set represent a modified tap root ?
  • Daucas, sweet potato, Wolfia
  • Raphanus, Beta vulgaris, Daucas
  • Sweet potato, Utricularia, Raphanus
  • Beta vutgatis Wolfia, Daucas
 Inflorescence in Ficus is
  • Hypanthodium
  • Cyattium
  • Venicillastet
  • Cyrnose
Match the parts in Column A with the flowers or parts of flower in Column B.
Column AColumn B
(a)  Polyadelphous(i)   Polypetalous
(b)  Pollen grains(ii)   Calyx, corolla
(c)  Free petals(iii)   Nectar
(d)  Non-essential(iv)   Bombax
(e)  Sweet fragrant fluid(v)   Pollen sac
  • a-v, b-iv, c-iii, d-ii, e-i
  • a-i, b-ii, c-iii, d-iv, e-v
  • a-iv, b-v, c-i, d-ii, e - iii
  • a-ii, b-v, c-i, d-iv, e-iii
The capitulum type of inflorescence is found in
  • Marigold
  • Slavia
  • Emphorbia
  • Jasmine
Choose the correct answers from the alternatives given.
Cortex is found in
  • Stems only
  • Roots only
  • Roots and stems
  • Roots, stems, and leaves
An example of the plant bearing cyathium inflorescence is
  • Poinsettia
  • Dianthus
  • Begonia
  • Marigold
The inflorescence in which-of the following plants is dichasial cyme
  • Mustard
  • Banana
  • Coriander
  • Jasmine
In cyathium inflorescence
  • single male flower is surrounded by female flowers.
  • male and female flowers are borne in different plants
  • there is only one male and one female flower
  • single female flower is surrounded by many peripheral male flowers.
Which one of the following inflorescences is found in a sunflower?
  • Capitulum
  • Cyathium
  • Panicle
  • Spadix
Statement $$1$$: Zygote is the vital link between two generations.
Statement $$2$$: Zygote is formed due to fusion of two haploid gametes.
  • Both statements $$1$$ and $$2$$ are correct
  • Statement $$1$$ is correct but statement $$2$$ is incorrect
  • Statement $$1$$ is incorrect but statement $$2$$ is correct
  • Both statements $$1$$ and $$2$$ are incorrect
Which tree derives its name from common legend that Judas Iscariot hanged himself on it?
  • Quercus robur
  • Araucaria araucana
  • Curchorus capsularis
  • Cercis siliquastrum
In a inflorescence where flowers are borne laterally in an acropetal succession, the position of the youngest floral bud shall be
  • Proximal
  • Distal
  • Intercalary
  • Anywhere
All given statements with respect to cymose inflorescence are correct, except
  • Centrifugal opening pattern of flowers
  • Unlimited growth of axis
  • Main axis terminates in a flower
  • Basipetal arrangement of flowers
Read the following five statements (A - E)
(A) Sheathing leaf base is found in monocotyledons.
(B) In some leguminous plants the leaf base may become swollen, which is called the pulvinus.
(C) A bud is present in the axil of leaflets of the compound leaf.
(D) Palmately compound leaves are found in neem.
(E) Whorled phyllotaxy is found in Alstonia.
How many of the above statements are correct?
  • Four
  • One
  • Two
  • Three
Colocasia also known as taro, is an example of a modified
  • Corm which is a stem modification
  • Bulb which is a stem modification 
  • Bulb which is a root modification 
  • Corm which is a root modification
Find the odd one (inflorescence axis elongation).
  • Umbel
  • Spike
  • Raceme
  • Catkin
Which of the following is the medicinal importance of the given plant species?
1048246_4df2890bd9b7428daeff14d4efa3eeef.PNG
  • It helps in reducing the inflammation and pain.
  • It can cure cancer
  • It is used to cure ulcers, burns, sunburns, and fungal infection
  • Both A and C
The type of inflorescence characterized by having dimorphic flower is
  • Catkin
  • Umbel
  • Corymb
  • Capitulum
Inflorescence with thick, fleshy axis and large coloured bracts is 
  • Spathe
  • Spadix
  • Spikelet
  • Hypanthodium
Cymose inflorescence is present in
  • Solanum
  • Sesbania
  • Trifolium
  • Brassica
The leaf of papaya is __________.
  • Simple
  • Compound
  • Complex
  • Spiny
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 11 Medical Biology Quiz Questions and Answers