Morphology Of Flowering Plants Multiple Choice Questions

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Morphology Of Flowering Plants Multiple Choice Questions

Question 1. Root hairs develop from the region of—

  1. Elongation
  2. Root cap
  3. Meristematic activity
  4. Maturation

Answer: 4. Maturation

Question 2. The morphological nature of the edible part of coconut is—

  1. Cotyledon
  2. Endosperm
  3. Pericarp
  4. Perisperm

Answer: 2. Endosperm

Question 3. Coconut fruit is a—

  1. Berry
  2. Nut
  3. Capsule
  4. Drupe

Answer: 4. Drupe

Read and Learn More WBCHSE Multiple Choice Question and Answers for Class 11 Biology

Question 4. In Bougainvillea thorns are the modifications

  1. Adventitious root
  2. Stem
  3. Leaf
  4. Stipules

Answer: 2. Stem

Question 5. The term ‘polyadelphous’ is related to—

  1. Gynoecium
  2. Androecium
  3. Corolla
  4. Calyx

Answer: 2. Androecium

Question 6. Cotyledon of maize grain is called—

  1. Coleorhiza
  2. Coleoptile
  3. Scutellum
  4. Plumule

Answer: 3. Scutellum

Question 7. Which one of the following statements is not true?

  1. The exine of pollen grains Is made up of sporopollenin sporopollenin
  2. Pollen grains of many species cause severe allergies
  3. Stored pollen in liquid nitrogen can be used in crop breeding programmes
  4. Tapetum helps in the dehiscence of anther

Answer: 4. Tapetum helps in the dehiscence of anther

Question 8. Which one of the following is not a stem modification?

  1. Thorns of Citrus
  2. Tendrils of cucumber
  3. Flattened structure of Opuntia
  4. Pitcher of Nepenthes

Answer: 4. Pitcher of Nepenthes

Question 9. The coconut water from tender coconut represents—

  1. Fleshy mesocarp
  2. Free-nuclear proembryo
  3. Free-nuclear endosperm
  4. Endocarp

Answer: 3. Free-nuclear endosperm

Question 10. Stems modified into flat green organs performing functions of leaves are known as—

  1. Phyllodes
  2. Phylloclades
  3. Scales
  4. Cladodes

Answer: 2. Phylloclades

Question 11. The standard petal of a papilionaceous corolla is also called

  1. Pappus
  2. Vexillum
  3. Corona
  4. Carina

Answer: 2. Vexillum

Question 12. How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram, and turnip have stamens with different lengths in their flowers?

  1. Three
  2. Four
  3. Five
  4. Six

Answer: 2. Four

Question 13. Radial symmetry is found in the flowers of—

  1. Brassica
  2. Trifolium
  3. Pisum
  4. Cassia

Answer: 1. Brassica

Question 14. Free-central placentation Is found in

  1. Dianthus
  2. Argemone
  3. Brassica
  4. Citrus

Answer: 1. Dianthus

Question 15. Tricarpellary, syncarpous gynoecium is found in flowers of—

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

Answer: 4. Liliaceae

Question 16. The wheat grain has an embryo with one large, shield-shaped cotyledon known as

  1. Coleoptile
  2. Epiblast
  3. Coleorhiza
  4. Scutellum

Answer: 4. Scutellum

Question 17. Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovaries?

  1. Four
  2. Five
  3. Six
  4. Three

Answer: 2. Five

Question 18. Flowers are unisexual in—

  1. Onion
  2. Pea
  3. Cucumber
  4. China Rose

Answer: 3. Cucumber

Question 19. Roots play an insignificant role in the absorption of water in—

  1. Wheat
  2. Sunflower
  3. Pistia
  4. Pea

Answer: 3. Pistia

Question 20. An example of an edible underground stem is—

  1. Carrot
  2. Ground Nut
  3. Sweet Potato
  4. Potato

Answer: 4. Potato

Question 21. When the margins of sepals or petals overlap one another without any particular direction the condition is termed as—

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

Answer: 2. Imbricate

Question 22. An aggregate fruit is one that develops from the—

  1. Multicarpellary syncarpous gynoecium
  2. Multicarpellary apocarpous gynoecium
  3. Complete inflorescence
  4. Multicarpellary superior ovary

Answer: 2. Multicarpellary apocarpous gynoecium

Question 23. Which one of the following statements is correct?

  1. The seed in grasses is not endospermic
  2. Mango is a parthenocarpic fruit
  3. A proteinaceous aleurone layer is present in maize grain
  4. A sterile pistil is called a staminode

Answer: 3. A proteinaceous aleurone layer is present in maize grain

Question 24. The partial floral formula of a flower is K(5)C5A(∞)G(5) Which of the following set of information is conveyed here?

  1. Gamosepalous, polypetalous, syncarpous, and superior ovary
  2. Polysepalous, polypetalous, syncarpous, and inferior ovary
  3. Gamosepalous, gamopetalous, polycarpous, and superior ovary
  4. Gamosepalous, polypetalous, syncarpous, and inferior ovary

Answer: 1. Gamosepalous, polypetalous, syncarpous, and superior ovary

Question 25. In one plant adventitious roots are modified for storage and in the other plant a lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is found. They are—

  1. Sweet potato and pistia
  2. Eichhornia and jasmine
  3. Carrot and mint
  4. Turnip and chrysanthemum
  5. Sweet potato and mint

Answer: 1. Sweet potato and pistia

Question 26. The types of placentation seen in Argemone and primrose are respectively

  1. Axile and free-central
  2. Parietal and free-central
  3. Parietal and basal
  4. Marginal and free-central
  5. Basal and parietal

Answer: 2. Parietal and free-central

Question 27. Consider the following characters with respect to the gynoecium of Fabaceae, and choose the correct options given below.

  1. Ovary monocarpellary
  2. Many styles
  3. Placenta swollen
  4. Superior ovary

Choose the current answer

  1. 1,5, and 4
  2. 2 and4
  3. 1 and 2
  4. 1 and 4
  5. 3 and 5

Answer: 4. 3 and 5

Question 28. Which of the following are the characteristic features of Solanaceae?

  1. Exstipulate leaves
  2. Persistent calyx
  3. Racemose inflorescence
  4. Unilocular ovary

Fruits are either berries or capsules of these

  1. 1,2 and 5
  2. 1,3 and 4
  3. only 1
  4. only 2
  5. 5 and 4

Answer: 1. 1,2 and 5

Question 29. The roots hanging from the branches of the banyan tree—

  1. Primary Root
  2. Prop Root
  3. Fibrous Root
  4. Pneumatophore

Answer: 3. Fibrous Root

Question 30. The pattern of arrangement of leaves on the stem is known as—

  1. Heterophylly
  2. Phyllode
  3. Phyllotaxy
  4. Phylloclade

Answer: 3. Phyllotaxy

Question 31. Multicostate divergent reticulate venation is seen in—

  1. Zizyphus
  2. Bamboo
  3. Castor
  4. Mango

Answer: 3. Castor

Question 32. A capsule is a kind of fruit

  1. Simple, dry, and dehiscent
  2. Simple, dry, and indehiscent
  3. An aggregate
  4. Simple and fleshy

Answer: 1. Simple, dry, and dehiscent

Question 33. Which of the following pairs is not correct?

  1. Corymb—Candytuft
  2. Capitulum—Sunflower
  3. Catkin—Mulberry
  4. Raceme—Wheat

Answer: 4. Raceme—Wheat

Question 34. When gynoecium is present above all parts of the flower this condition is called—

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

Answer: 1. Hypogynous

Question 35. When ovules develop on the inner wall of the ovary the type of placentation is

  1. Twisted
  2. Axile
  3. Free-Central
  4. Parietal

Answer: 4. Parietal

Question 36. Which of the following is not correctly paired?

  1. Fabaceae—Legume family
  2. Solanaceae—Potato family
  3. Liliaceae—Sunflower family
  4. Brassicaceae—Mustard family

Answer: 3. Liliaceae—Sunflower family

Question 37. Endosperm, a product of double fertilization in angiosperms is absent in the seeds of—

  1. Gram
  2. Orchids
  3. Maize
  4. Castor

Answer: 1. Gram

Question 38. Which one of the following is an endospermic seed?

  1. Pea
  2. Bean
  3. Gram
  4. Castor

Answer: 4. Castor

Question 39. Scutellum is a part of—

  1. A leaf bud
  2. A dicot embryo
  3. A monocot embryo
  4. None of these

Answer: 3. A monocot embryo

Question 40. Aril is the edible part of

  1. Apple
  2. Litchi
  3. Banana
  4. Banana

Answer: 2. Litchi

Question 41. In this diagram showing the ls of an embryo of grass, identify the answer having the correct combination of alphabets with the right part.

Morphology Of Flowering Plants Multiple choice Questions 41

  1. A—Root cap, B—Coleoptile,
    C— Scutellum, D—Coleorhiza,
    E— Epibiast,F — Shoot apex
  2. A—Shoot apex, B—Epibiast
    C—Coleorhiza, D—Scutellum,
    E—Coleoptile, F-Radide
  3. A—Epibiast, B—Scutellum
    C—Coleoptile, D—Radicle
    E—Coleorhiza, F—Shoot apex
  4. A—Epibiast, B—Radicle,
    C—Coleoptile, D—Scutellum,
    E—Coleorhiza, F—Shoot apex

Answer: 4. A—Epibiast, B—Radicle,
C—Coleoptile, D—Scutellum,
E—Coleorhiza, F—Shoot apex

Question 42. Which option is correct for the region produced from the apical octant A and basal octant B, in the capsella type of embryonic development?

  1. A—Cotyledon, B—Central region of radicle
  2. A—Central region of radicle, B—Cotyledon
  3. A—Hypocotyl, B—Plumule of embryo
  4. A—Plumule of the embryo, B—Hypocotyl

Answer: 1. A—Cotyledon, B—Central region of radicle

Question 43. Match the columns:

Morphology Of Flowering Plants Multiple choice Question 43

  1. 1-4,2-5,3-1,4-2
  2. 1-5,2-3,3-1,4-2
  3. 1-5,2-3,3-2,4-4
  4. 1-4,2-2,3-5,4-1

Answer: 1. 1-4,2-5,3-1,4-2

Question 44. Phyllode is present in—

  1. Asparagus
  2. Euphorbia
  3. Australian Acacia
  4. Opuntia

Answer: 3. Australian Acacia

Question 45. Cyathium inflorescence is found in—

  1. Morus
  2. Dorstenia
  3. Ficus
  4. Euphorbia

Answer: 4. Euphorbia

Question 46. Inflorescence of Liliaceae is—

  1. Actinomorphic
  2. Trimerous
  3. Pentamerous
  4. Imperfect

Answer: 2. Trimerous

Question 47. A fruit, developed from a condensed inflorescence is a/an—

  1. Simple Fruit
  2. Aggregate Fruit
  3. Composite Fruit
  4. Ontario

Answer: 3. Composite Fruit

Question 48. Ginger multiplies vegetatively by—

  1. Bud
  2. Tuber
  3. Stem
  4. Rhizome

Answer: 4. Rhizome

Question 49. The ruminate endosperm is found in the seeds of the family—

  1. Compositae
  2. Cruciferae
  3. Euphorbiaceae
  4. Annonaceae

Answer: 4. Annonaceae

Question 50. arts of two plants were observed. Structure-A develops aerially and produces roots when comes in contact with the soil. Structure B develops from the underground part of the stem, grows obliquely, becomes aerial, and produces roots on its lower surface. Identify, respectively the structure of A and B.

  1. Sucker, stolen
  2. Stolon, runner
  3. Stolon, sucker
  4. Runner, stolen

Answer: 3. Stolon, sucker

Question 51. In which of the following plants, the leaf apex changes into a tendril?

  1. Gloriosa
  2. Smilax
  3. Pisum sativum
  4. Australian acacia

Answer: 1. Gloriosa

Question 52. Which of the following is a wheat fruit?

  1. Achene
  2. Cypsella
  3. Caryopsis
  4. Endosperm

Answer: 3. Caryopsis

Question 53. In Nepenthes (pitcher plant), the pitcher is the modification of leaf—

  1. petiole
  2. Base
  3. Lamina
  4. All Of These

Answer: 3. Lamina

Question 54. Cereals mostly belong to family—

  1. Cruciferae
  2. Brassicaceae
  3. Poaceae
  4. Asteraceae

Answer: 3. Poaceae

Question 55. In China rose flowers are

  1. Actinomorphic, hypogynous with twisted aestivation
  2. Actinomorphic, epigynous with valvate aestivation
  3. Zygomorphic, hypogynous with valvate aestivation
  4. Zygomorphic, epigynous with twisted aestivation

Answer: 1. Actinomorphic, hypogynous with twisted aestivation

Question 56. Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunn hemp, gram, guava, bean, chili, plum, Petunia, tomato, rose Withania, potato, onion, aloe, and tulip, how many plants have a hypogynous flower?

  1. Six
  2. Ten
  3. Fifteen
  4. Eighteen

Answer: 1. Six

Question 57. Match the following columns

Morphology Of Flowering Plants Multiple choice Question 57

  1. 1-5,2-4,3-2,4-3
  2. 1-5,2-3,3-1,4-2
  3. 1-4,2-5,3-2,4-3
  4. 1-1,2-2,3-3,4-5

Answer: 1. 1-5,2-4,3-2,4-3

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