## Flower MCQ (Multiple Choice Questions and Answers)

**Q1. For survival of race which is the most important of the plant**

- Flower
- Root
- Leaf
- Stem

**Answer: 1**

**Q2. The flower with a stalk is**

- Pedicellate
- Petiolate
- Sessile
- Subsessile

**Answer: 1**

**Q3. The floral organs arise from**

- Mother axis
- Thalamus
- Root
- Pedicel

**Answer: 2**

**Q4. Flower with all the four type of floral organs is**

- Regular
- Irregular
- Complete
- Perfect

**Answer: 3**

**Q5. Flower with both the types of sexual floral organ is**

- Complete
- Perfect
- Incomplete
- Dimorphic

**Answer: 2**

**Q6. Calyx with free components is**

- Gamosepalous
- Polypetalous
- Polysepalous
- Gamopetalous

**Answer: 3**

**Q7. Modified hairy calyx is**

- Pappus
- Perianth
- Epicalyx
- Accrescent

**Answer: 1**

**Q8. Small sized sessile flower is**

- Incomplete
- Floret
- Imperfect
- Translator

**Answer: 2**

**Q9. A flower which can be divided into equal vertical halves by more than one plane division is**

- Heteromorphic
- Zygomorphic
- Actinomorphic
- Cyclic

**Answer: 3**

**Q10.in pisum sativum, the aestivation of corolla is**

- Quincuncial imbricate
- Descending imbricate
- Ascending imbricate
- Contorted

**Answer: 2**

**Q11. Corolla with four diagonally arranged petals is**

- Vexillary
- Cruciform
- Gamopetalous
- Caryophyllaceous

**Answer: 2**

**Q12. Androecium is the whorl of**

- Anthers
- Stamens
- Filaments
- Tepals

**Answer: 2**

**Q13. Stamens which arise from petals are called**

- Epipetalous
- Alternipetalous
- Antipetalous
- Quincuncial

**Answer: 1**

**Q14. In Hibiscus rosa-sinensis there is an additional floral whorl known as**

- Calyx
- Involucres
- Epicalyx
- Obdiplostemonous layer

**Answer: 3**

**Q15. Tetradynamous androecium occurs in**

- Solanum nigrum
- Hibiscus rosa-sinensis
- Brassica campestris
- Delonix regia

**Answer: 3**

**Q16. If the filaments are fused in a single group, the condition is**

- Monandrous
- Monadelphous
- Polyadelphous
- Polyandrous

**Answer: 2**

**Q17. Diadelphous androecium has filaments fused in **

- One group
- Two groups
- Many groups
- Two areas, upper and lower

**Answer: 2**

**Q18. Androecium having dissimilar stamens is**

- Unequal
- Heterostemonous
- Diplostemonous
- Obdiplostemonous

**Answer: 2**

**Q19. If the stamens can swing freely on the filaments, the condition is called**

- Basifixed
- Dorsifixed
- Versatile
- Adnate

**Answer: 3**

**Q20. The whorl of carpels is**

- Androecium
- Gynaecium
- Pistil
- Gynostegium

**Answer: 2**

**Q21. The respective part of the pistil is**

- Stigma
- Style
- Ovary
- Ovule

**Answer: 1**

**Q22. Syncarpous gynaecium has two or more**

- Free carpels
- Fused carpels
- Free ovaries
- Free stigmas

**Answer: 2**

**Q23. Placentation is arrangement of**

- Ovules
- Sepals and petals
- Stamens and carpels
- Carpels

**Answer: 1**

**Q24. Ovary with one chamber is**

- Monocarpellary
- Bilocular
- Unilocular
- Uniovuled

**Answer: 3**

**Q25. Placentation of pea flower is **

- Parietal
- Marginal
- Axile
- Superficial

**Answer: 2**

**Q26. Basal placentation occurs in an ovary which is**

- Unilocular
- Bilocular
- Multilocular
- Lateral

**Answer: 1**

**Q27. Axile placentation is found in**

- Cassia fistula
- Hibiscus rosa-sinensis
- Helianthus annuus
- Dalbergia sisso

**Answer: 2**

**Q28. Flower with inferior ovary is **

- Hypogynous
- Epigynous
- Perigynous
- Hypo-perigynous

**Answer: 2**

**Q29. A flower having both sepals and petals is**

- Achlamydeous
- Dichlamydeous
- Monochlamydeous
- Diclinous

**Answer: 2**

**Q30. Flower with both sepals and petals is**

- Intersexual
- Bithecous
- Didynamous
- Diplostemonous

**Answer: 1**

**Q31. Non-functional stamens are called**

- Assessory stamens
- Staminodes
- Supplementary stamens
- Staminates

**Answer: 2**

**Q32. Flower with floral organs with five circles is**

- Pentamerous
- Pentacyclic
- Pentalocular
- Obdiplostemonous

**Answer: 2**

**Q33. Monothecous stamens are found in**

- Sunflower
- Pea flower
- Shoe flower
- Mustard

**Answer: 3**

**Q34. Diplostemonous androecium occurs in**

- Silene
- murraya
- asparagus
- brassica

**Answer: 2**

**Q35. Epiphyllous stamens arise from**

- Petals
- Perianth lobes
- sepals
- epicalyx

**Answer: 2**

**Q36. In Leguminosae, the odd sepal is**

- Anterior
- Posterior
- Lateral
- Median

**Answer: 1**

**Q37. One chambered ovary has ovules borne on a long placenta attached to wall in the region of ventral suture. It is**

- Superficial
- Basal
- Marginal
- Parietal

**Answer: 3**

**Q38. A flower with a beak is**

- Rosaceous
- Spurred
- Ornithophilous
- Ornithochorous

**Answer: 2**

**Q39. Adhesion in a flower is**

- Union of dissimilar parts
- Union of similar parts
- Aggregation of similar parts
- Aggregation of dissimilar parts

**Answer: 1**

**Q40. Petals are connate when they are**

- Polypetalous
- Fused completely
- Fused upto half
- Fused only at the based

**Answer: 4**

**Q41. Stamens do not protrude out of corolla. The condition is**

- Introrse
- Extrorse
- Exserted
- Inserted

**Answer: 4**

**Q42. Anthers dehisce longitudinally towards the side of carpels. The condition is**

- Introrse
- Extrorse
- Innate
- Centripetal

**Answer: 1**

**Q43. A monothecous stamen has**

- Small anther
- Sterile anther
- One lobed anther
- One chambered anther

**Answer: 3**

**Q44. The descending aestivation is also called**

- Caryophyllaceous
- Vexillary
- Rosaceous
- Mimosaceous

**Answer: 2**

**Q45. Floret is**

- Small fruit
- Small flower
- Small sessile flower
- Small neuter flower

**Answer: 3**

**Q46. Individual members of perianth are called**

- Bracteoles
- Bracts
- Spathes
- Tepals

**Answer: 4**

**Q47. A dioecious plant has**

- Bisexual flowers
- Either male or female flowers
- Both male and female flowers
- Bisexual and neuter flowers

**Answer: 2**

**Q48. Main role of flower is to **

- Produce offspring
- Produce hormones
- Attract insects
- Secrete honey

**Answer: 1**

**Q49. Anthers are fused and filaments are free in**

- Sunflower
- Gossypium
- Murraya
- Petunia

**Answer: 1**

**Q50. Is show flower/China Rose**

- Anthers are fused
- Filaments are fused in a single mass
- Filaments are fused to from many groups
- All the stamens are free

**Answer: 2**

**Q51. Placenta of a flower is a tissue that**

- Forms pollen grains
- Attaches stamens with corolla/sepals/tepals
- Bears ovules
- Bears corona

**Answer: 3**

**Q52. Perianth refers to **

- Nonessential floral organs
- Essential floral organs
- Fused stamens and carpels
- Undifferentiated calyx and corolla

**Answer: 4**

**Q53. A flower divisible into two equal halves by one plane only is**

- Actinomorphic
- Zygomorphic
- Hemicyclic
- Asymmetric

**Answer: 2**

**Q54. Funnel-shaped corolla is called**

- Campanulate
- Urecolate
- Rotate
- Infundibuliform

**Answer: 4**

**Q55. In solanum nigrum, the gamopetalous corolla is**

- Rotate
- Tubular
- Campanulate
- Globose

**Answer: 1**

**Q56. Cruciform corolla is characterized by**

- Five fused petals
- Five free sessile petals
- Four diagonally placed clawed petals
- Four medianly and laterally placed clawed petals

**Answer: 3**

**Q57. Four stamens, two short and two long, constitute the condition called**

- Tetradynamous
- Didynamous
- Diadelphous
- Diplostemonous

**Answer: 2**

**Q58. Gynaecium having a number of free carpels is**

- Syncarpous
- Apocarpous
- Polycarpellary
- Syngenesious

**Answer: 2**

**Q59. Gynaecium with fused carpels is**

- Syncarpous
- Syngenesious
- Sympatric
- Cleistocarpic

**Answer: 1**

**Q60.a style arises from the central depression of four lobed ovary. It is**

- Lateral
- Terminal
- Gynobasic
- Centric

**Answer: 3**

**Q61. In a syncarpous unilocular ovary, ovules develop from two opposite lines on the wall. The placentation is**

- Superficial
- Marginal
- Axile
- Parietal

**Answer: 4**

**Q62. In a unilocular ovary the ovules develop from all over the wall. The placentation is**

- Superficial
- Marginal
- Free central
- Parietal

**Answer: 1**

**Q63. An intersexual flower has**

- No nonessential floral whorl
- No essential floral whorl
- Both the essential floral whorls
- All the floral whorls

**Answer: 3**

**Q64. Stamen represents**

- Microsporophyll
- Microsporangium
- Megasporangium
- Megasporophyll

**Answer: 1**

**Q65. The female whorl of the flower is**

- Calyx
- Corolla
- Androecium
- Gynaecium

**Answer: 4 **