Morhology of flowering plants MCQs with Answers

Question-1. Which part of the coconut produces coir?

1. Mesocarp
2. Pericarp
3. Seed coat
4. Epicarp

Question-2. Artabotrys is a hook climber in which the hooks are modified

1. inflorescence axis
2. petiole
3. roots
4. stipules

Question-3. Certain plants called as runners can be easily propagated. This is due to the fact

1. they are numerous in numbers
2. they store the ready food
3. they lie horizontally on the soil
4. they can produce adventitious roots quite readily at the nodes

Question-4. Exceptional roots of Cuscuta are

1. haustorial
2. coralloid
3. mucorhizal
4. all of the above

Question-5. Floating roots are characteristic of

1. Tinospora
2. Jussiaea
3. Viscum
4. Vanda

Question-6. In banana, the stem is

1. underground only
2. both underground and aerial
3. absent
4. aerial only

Question-7. In Lathyrus, the leaves are modified into

1. thorns
2. cladodes
3. tendrils
4. spines

Question-8. In tamarind, the pinnate leaf is

1. bipinnate
2. tripinnate
3. paripinnate
4. imparipinnate

Question-9. In which of the following plants stems do not store the food material

1. potato
2. ginger
3. onion
4. colocasia

Question-10. Potato tuber is an underground stem because

1. it lacks chlorophyll
2. it is swollen
3. it possesses axillary buds
4. it stores starch as reserve food material

Question-11. Srem modified to perform the function of a leaf and having many internodes is called as

1. phylloclade
2. cladode
3. offset
4. phyllode

Question-12. The arrangement of sepals or petals in floral bud is called

1. Placentation
2. Aestivation
3. Bracteate
4. Phyllotaxy

Question-13. The axillary buds arise

1. endogenously from the pericycle
2. exogenously from the tissues of the shoot apex
3. endogenously from the cambium tissues
4. exogenously from the innermost layers of cortex

Question-14. The coloured part of a Bougainuillea flower is the

1. corolla
2. calyx
3. bracts
4. androecium

Question-15. The largest petal overlaps the lateral ones in _________ aestivation.

1. Papilionaceous
2. Valvate
3. Twisted
4. Imbricate

Question-16. The petiole is swollen and spongy in

1. Nepenthes
2. Trapa
3. Clematis
4. all of the above

Question-17. The term phyllotaxy is used to describe the

1. type of ovary in a plant
2. mode of arrangement of leaves
3. type of roots
4. arrangement of sepals and petals

Question-18. Thors and spines are

1. homologous organs
2. analogous organs
3. thron is homologous while spine is analogous
4. spine is homologous while is analogous

Question-19. Which one of the following plants dose not have root – pockets

1. Pistia
2. Lemna
3. Ficus
4. Eichhornia

Question-20. A family delimited by type of inflorescence is

1. Fabaceae
2. Asteraceae
3. Solanaceae.
4. Liliaceae

Question-21. A fruit developed from hypanthodium inflorescence is called

1. Syconus
2. Caryopsis
3. Hesperidium
4. Sorosis

Question-22. A perennial plant differs from biennial in

1. having underground perennating structure
2. having asexual reproductive structures
3. being tree species
4. not dying after seasonal production of flowers

Question-23. An example of axile placentation is

1. Lemon
2. Marigold
3. Argemone
4. Dianthus

Question-24. Angiosperm to which the largest flowers belong is

1. total stem parasite
2. partial stem parasite
3. total root parasite
4. partial root parasite

Question-25. Bicarpellary gynoecium and oblique ovary occurs in

1. mustard
2. banana
3. Pisum
4. brinjal

Question-26. Botanical name of cauliflower is

1. Brassica oleracea var. capitata
2. Brassica campestris
3. Brassica oleracea var. botrytis
4. Brassica oleracea var. gemmifera

Question-27. Buttress roots are found in

1. Sorghum
2. Banyan
3. Terminalia
4. Pandanus

Question-28. Clove is

1. flower bud
2. thalamus
3. axillary bud
4. ovule

Question-29. Dry indehiscent single-seeded fruit formed from bicarpellary syncarpous inferior ovary is

1. caryopsis
2. cypsela
3. berry
4. cremocarp

Question-30. Edible part in litchi is

1. mesocarp
2. fleshy aril
3. endosperm
4. pericarp

Question-31. Edible part in mango is

1. mesocarp
2. epicarp
3. endocarp
4. epidermis

Question-32. Edible part of banana is

1. epicarp
2. mesocarp and less developed endocarp
3. endocarp and less developed mesocarp
4. epicarp and mesocarp

Question-33. Epipetalous and syngenesious stamens occur in

1. Solanaceae
2. Brassicaceae
3. Fabaceae
4. Asteraceae

Question-34. Fibrous root system is better adopted than tap root system for

1. anchorage of plant to soil
2. storage of food
3. absorption of water and minerals
4. transport of organic matter

Question-35. Find out the incorrect match

1. Stamens attached to perianth – Episepalous
2. Free stamens – Polyandrous
3. Stamens attached to petals – Epipetalous
4. Sterile stamen – Staminode

Question-36. Floral features are chiefly used in angiosperms identification because

1. flowers are of various colours
2. flowers can be safely pressed
3. reproductive parts are more stable and conservative than vegetative parts
4. flowers are nice to work with

Question-37. Fruit of Mangifera indica is

1. berry
2. drupe
3. capsule
4. siliqua

Question-38. Geocarpic fruit is

1. potato
2. groundnut
3. onion
4. garlic

Question-39. Heterospory and seed habit are often discussed in relation to a structure called

1. spathe
2. bract
3. petiole
4. ligule

Question-40. Hypanthodium is

1. inflorescence
2. fruit
3. ovary
4. None of these

Question-41. In a cereal grain the single cotyledon of embryo is represented by

1. scutellum
2. coleoptile
3. prophyll
4. coleorrhiza

Question-42. In unilocular ovary with a single ovule the placentation is :

1. Marginal
2. Basal
3. Free Central
4. Axile

Question-43. In which of the following type of flowers stamens are superior in position?

1. Epigynous
2. Hypogynous
3. Perigynous
4. Protogynous

Question-44. Inner layer of pericarp is hard and stony in

1. Mango, Coconut
2. Dateplam, Almond
3. Wood, apple, Pea
4. Pear, Litchi

Question-45. Insectivorous plants grow in

1. nitrogen deficient soil
2. magnesium deficient soil
3. carbon deficient soil
4. calcium deficient soil

Question-46. Juicy hair-like structures observed in the lemon fruit develop from

1. mesocarp and endocarp
2. exocarp
3. mesocarp
4. endocarp

Question-47. Keel is characteristic of the flowers of

1. Gulmohur
2. Cassia
3. Calotropis
4. Bean

Question-48. Long filamentous threads protruding at the end of the young cob of maize are

1. styles
2. ovaries
3. hairs
4. anthers

Question-49. Maize grain is a fruit known as

1. caryopsis
2. achene
3. cypsela
4. legume

Question-50. Male and female gametophytes are independent and free-living in

1. Mustard
2. Castor
3. Pinus
4. Sphagnum

Question-51. Mango juice is got from

1. epicarp
2. mesocarp
3. endocarp
4. pericarp and thalamus

Question-52. Match the following and indicate which is correct?

1. Cucurbitaceae — Orange
2. Malvaceae — Cotton
3. Brassicaceae — Wheat
4. Leguminosae — Sunflower

Question-53. Milky water of green coconut is

1. liquid endosperm
2. liquid embryo
3. liquid of female gametophyte
4. liquid nucellus

Question-54. Monocotyledonous root differs from dicot root in which of the following internal features (a to

1. ?
2. Presence of large and well-developed pith
3. Presence of parenchymatous cortex without intercellular spaces
4. Absence of fewre xylem bundled) Presence of parenchymatous pericycle

Question-55. New banana plants develop from

1. rhizome
2. sucker
3. stolon
4. seed

Question-56. Oil reserve of groundnut is present in

1. embryo
2. cotyledons
3. endosperm
4. underground tubers

Question-57. Ovary is half-inferior in the flowers of:

1. Guava
2. Plum
3. Brinjal
4. Cucumber

Question-58. Ovary is said to be half inferior in which of the following conditions?

1. Perigynous
2. Hypogynous
3. Epigynous
4. None of these

Question-59. Perisperm is

1. part of endosperm
2. remnant of embryo
3. persistant nucellus
4. remnant of endosperm

Question-60. Pineapple (ananas) fruit develops from

1. a cluster of compactly borne flowers on a common axis
2. a multilocular monocarpellary flower
3. a multipistillate syncarpous flower
4. a unilocular polycarpellary flower

Question-61. Plant having column of vascular tissues, bearing fruits and having a tap root system is

1. monocot
2. dicot
3. gymnosperm or dicot
4. gymnosperm or monocot

Question-62. Roots of which plant contains an oxidising agent?

1. Carrot
2. Soyabean
3. Mustard
4. Radish

Question-63. Scutellum is a/an

1. shield-shaped cotyledon
2. endosperm of gymnosperms
3. protective covering of plumule
4. protective covering of radicle

Question-64. Select the pair which contains monocotyledonous families.

1. Liliaceae and Poaceae
2. None of these
3. Fabaceae and Asteraceae
4. Solanaceae and Brassicaceae

Question-65. Sweet potato is homologous to

1. Turnip
2. Potato
3. Colocasia
4. Ginger

Question-66. Tetradynamous stamens are found in family

1. Malvaceae
2. Solanaceae
3. Cruciferae
4. Liliaceae

Question-67. The “Eyes” of the potato tuber are

1. Root buds
2. Flower buds
3. Shoot buds
4. Axillary buds

Question-68. The embryo in sunflower has

1. one cotyledon
2. two cotyledons
3. many cotyledons
4. no cotyledon

Question-69. The fleshy receptacle of syconous of fig encloses a number of

1. achenes
2. samaras
3. berries
4. mericarps

Question-70. The fruit is chambered, developed from inferior ovary and has seeds with succulent testa in

1. pomegranate
2. orange
3. guava
4. cucumber

Question-71. The plant, which bears clinging roots, is

1. Trapa
2. orchid
3. screw pine
4. Podostemon

Question-72. The technical term used for the androecium in a flower of China rose (Hibiscus rosa sinensis) is :

1. Monadelphous
2. Diadelphous
3. Polyandrous
4. Polyadelphous

Question-73. The type of placentation in which ovary is syncarpous, unilocular and ovules on sutures is called

1. apical placentation
2. parietal placentation
3. marginal placentation
4. superficial placentation

Question-74. Vegetative propagation in Pistia occurs by :

1. Offset
2. Runner
3. Sucker
4. Stolen

Question-75. Vegetative reproduction of Agave occurs through

1. rhizome
2. stolon
3. bulbils
4. sucker

Question-76. Velamen is found in

1. only aerial roots of orchids
2. leaves of Ficus elastica
3. aerial and terrestrial roots of orchids
4. roots of screwpine

Question-77. What is eye of potato?

1. Axillary bud
2. Accessory bud
3. Adventitious bud
4. Apical bud

Question-78. What type of placentation is seen in sweet pea?

1. Axile
2. Free central
3. Marginal
4. Basal

Question-79. When gynoecium is present in the top most position of thalamus, the flower is known as

1. hypogynous
2. epigynous
3. inferior
4. perigynous

Question-80. Which is correct pair for edible part?

1. Tomato — Thalamus
2. Maize — Cotyledons
3. Guava — Mesocarp
4. Date palm — Pericarp

Question-81. Which of the following is a correct pair?

1. Cuscuta — Parasite
2. Dischidia — Insectivorous
3. Opuntia — Predator
4. Capsella — Hydrophyte

Question-82. Which one of the following is a true fruit?

1. Coconut
2. None of these
3. Cashew nut
4. Apple

Question-83. Which one of the following statements is correct ?

1. In tomato, fruit is a capsule
2. Seeds of orchids have oil-rich endosperm
3. Placentation in Primrose is basal
4. Flower of tulip is a modified shoot