Question answer of Morphology of Flowering Plants

Morphology of Flowering Plants online test:

Ques. Androecium having dissimilar stamens is
(a) Unequal
(b) Heterostemonous
(c) Diplostemonous
(d) Obdiplostemonous

Ans. (b)

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Ques. Parachute like pappus is found in
(a) Liliaceae/Cotton
(b) Gramineae/Paddy
(c) Compositae/Marigold
(d) Solanaceae/Calotropis

Ans. (c)

Ques. Sometimes sepals are modified into hairy structures which are useful in dispersal of seeds. These are called
(a) Tepals
(b) Epik
(c) Pappus
(d) Trichome

Ans. (c)

Ques. Which of the following is regarded as equivalent to perianth?
(a) Glume
(b) Lodicule
(c) Superior palea
(d) Inferior palea

Ans. (b)

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Ques. In Hibiscus rosa-sinensis there is an additional floral whorl known as
(a) Calyx
(b) Involucre
(c) Epicalyx
(d) Obdiplostemonous layer

Ans. (c)

Ques. Flower is complete when it has
(a) Calyx, corolla, androecium and gynoecium
(b) Calyx and corolla
(c) Androecium and gynoecium
(d) Corolla, androecium and gynoecium

Ans. (a)

Ques. The example for trimerous, unisexual flower is
(a) Cocos nucifera
(b) Hibiscus
(c) Tamarind
(d) Pea

Ans. (a)

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Ques. Which is present in monocot flowers?
(a) Sepals
(b) Petals
(c) Tepals
(d) None of these

Ans. (c)

Ques. Stamens attached to petals are
(a) Antipetalous
(b) Epipetalous
(c) Epiphyllous
(d) Episepalous

Ans. (b)

Ques. Corolla with four diagonally arranged petals is
(a) Vexillary
(b) Cruciform
(c) Gamopetalous
(d) Caryophyllaceous

Ans. (b)

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Ques. Floral formula represents
(a) Position of flower
(b) Symmetry of a flower
(c) Functions of a flower
(d) Diagrammatic notation of floral characters

Ans. (d)

Ques. Arrangement of sepals and petals in the bud condition is called :
(a) Ptyxis
(b) Placentation
(c) Aestivation
(d) Phyllolaxy

Ans. (c)

Ques. Pappus is modification of
(a) Bracts
(b) Bracteoles
(c) Corolla
(d) Calyx

Ans. (d)

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Ques. Part of pistil which receives pollen is
(a) Ovary
(b) Style
(c) Stigma
(d) Ovule

Ans. (c)

Ques. Compound apocarpous gynoecium is found in
(a) Lily
(b) Hollyhock
(c) Lotus/Ranunculus
(d) Pumpkin

Ans. (c)

Ques. Axis developing between androecium and gynoecium is
(a) Anthophore
(b) Androphore
(c) Gynophore
(d) Gynandrophore

Ans. (c)

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Ques. Part of Gynoecium which receives the pollen is called
(a) Stigma
(b) Style
(c) Ovary
(d) Ovule

Ans. (a)

Ques. In Maize, the flowers are
(a) Absent
(b) Unisexual but on different plants
(c) Bisexual
(d) Unisexual but on the same plant

Ans. (d)

Ques. A flower is actinomorphic when it is divisible into two
(a) Halves having equal number of sepals and petals
(b) Similar halves by a vertical division in any plane
(c) Similar halves by a vertical division in one plane only
(d) Halves having similar parts by a transverse division

Ans. (b)

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Ques. Butterfly shaped flower with one stranded, two wing-like and two keeled petal belong to
(a) Compositae
(b) Rubiaceae
(c) Malvaceae
(d) Papilionaceae

Ans. (d)

Ques. The term Anthesis is used for
(a) Cluster of anthers
(b) Opening of flowers
(c) Dehiscence of anthers
(d) Falling of flowers

Ans. (b)

Ques. When both sexes are absent from a flower or are non-functional, the flower is said to be
(a) Neutral
(b) Incomplete
(c) Unisexual
(d) Intersexual

Ans. (a)

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Ques. A longitudinal or vertical section of the flower indicates
(a) Type of pollination
(b) Arrangement of members in a whorl
(c) Number of floral parts in whorls
(d) Manner of insertion of parts in different whorls

Ans. (d)

Ques. Largest flower is that of
(a) Sunflower
(b) Rafflesia
(c) Nelumbo
(d) Drosera

Ans. (b)

Ques. Which is correct about flower ? It is modified
(a) Root
(b) Shoot
(c) Leaf
(d) Inflorescence

Ans. (b)

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Ques. Arrangement of floral members which are partily spiral and partily in whorl is
(a) Cyclic
(b) Acyclic
(c) Hemicyclic
(d) Pentacyclic

Ans. (c)

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