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Morphology of Plant MCQ

128 MCQ questions with answers and explanations · page 2 of 6

Test yourself▶ 25 question test▶ 50 question test

Q26. In cacti photosynthesis is done by-

  1. ALeaf
  2. BStem
  3. CPetiole
  4. DNone of these
Show answer & explanation

Answer: B) Stem

Q27. Which of the following is a stem ?

  1. APotato
  2. BCarrot
  3. CSweet Potato
  4. DRadish
Show answer & explanation

Answer: A) Potato

Q28. The colourful part of the Sun flower or Marigold plant is-

  1. AFlower
  2. BInflorrescence
  3. CFruit
  4. DSeed
Show answer & explanation

Answer: B) Inflorrescence

Q29. The edible part of termeric is-

  1. ARoot
  2. BRhizome
  3. CFruit
  4. DWater chestnut
Show answer & explanation

Answer: B) Rhizome

Q30. Ginger is a-

  1. AModified root
  2. BModified stem
  3. CModified leaf
  4. DModified bulb
Show answer & explanation

Answer: B) Modified stem

Q31. Onion is a modified form of -

  1. AStem
  2. BRoot
  3. CLeaves
  4. DFruit
Show answer & explanation

Answer: A) Stem

Q32. Which one of following is modified stem-

  1. ACarrot
  2. BSweet potato
  3. CCoconut
  4. DPotato
Show answer & explanation

Answer: D) Potato

Q33. A biennial plant is the one which -

  1. ACompletes life cycle in two year
  2. BCompletes life cycle in two seasons
  3. CFlowers every year but completes its cycle in two year
  4. DNone of these
Show answer & explanation

Answer: A) Completes life cycle in two year

Q34. Tap root Commonly occur in -

  1. ADicotyledons
  2. BMonocotyledons
  3. CAngiosperm
  4. DGrass
Show answer & explanation

Answer: A) Dicotyledons

Q35. Cactus is referred to as-

  1. AHydrophyte
  2. BMesophyte
  3. CXerophyte
  4. DEpiphyte
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Answer: C) Xerophyte

Q36. The edible part of garlic is -

  1. ATunic
  2. BReduced stem
  3. CFleshy scales
  4. DBase of infloresence
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Answer: C) Fleshy scales

Q37. Bulb store food in -

  1. ARoot
  2. BStem
  3. CLeaf base
  4. DPetioles
Show answer & explanation

Answer: C) Leaf base

Q38. The stem modified to Perform the function of leaf and many internodes is called-

  1. APhylloclade
  2. BCladode
  3. COffset
  4. DPhyllode
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Answer: A) Phylloclade

Q39. Study of flower is called-

  1. AAgroestology
  2. BPhenology
  3. CPolynelogy
  4. DAnthology
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Answer: D) Anthology

Q40. Plant which does not bear flower but have seed-

  1. AOrchides
  2. BGymnosperm
  3. CAngiosperm
  4. DCrytogamus
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Answer: B) Gymnosperm

Q41. A complete flower have-

  1. AAndrocieum and gynecium
  2. BSepal and petal
  3. CBoth a and b
  4. DAndrocium , gynecium and petal
Show answer & explanation

Answer: C) Both a and b

Q42. Reproductive part of flower is-

  1. AAndrocium and gynecium
  2. BSepal and petal
  3. CPetal and androcium
  4. DSepal and gynecium
Show answer & explanation

Answer: A) Androcium and gynecium

Q43. Agar-agar is prepared from-

  1. AAlgae
  2. BLichens
  3. CFungi
  4. DBryophyte
Show answer & explanation

Answer: A) Algae

Q44. Largest leaves occur in-

  1. ARaflesia
  2. BVictoria
  3. CBanana
  4. DNicotiana
Show answer & explanation

Answer: B) Victoria

Q45. Largest flower found in the world is -

  1. ARaflesia
  2. BVictoria
  3. CDrosora
  4. DAmerbel
Show answer & explanation

Answer: A) Raflesia

Q46. The edible part of cauliflower is -

  1. AFruit
  2. BBud
  3. CFlowers
  4. Dlnflorescence
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Answer: D) lnflorescence

Q47. ln cactus, the spines are modified -

  1. AStem
  2. BStipules
  3. CLeaves
  4. DBuds
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Answer: C) Leaves

Q48. ln lndia, cluster bean (Guar) is traditionally used as a vegetable or animal feed , but recently the cultivation of this has assumed significance. Which of the following statements is correct in this context ?

  1. AThe oil extracted from seeds is used in the manufacture
  2. BThe gum made from its seeds is used in the extraction of shale gas
  3. CThe leaf extract of this plant has the properties of antihistamines
  4. Dlt is a source of high quality biodiesl
Show answer & explanation

Answer: B) The gum made from its seeds is used in the extraction of shale gas

Q49. A clone is a group of individuals obtained through-

  1. ASelf pollination
  2. BMicropropagation
  3. CHybridisation
  4. DCross pollination
Show answer & explanation

Answer: B) Micropropagation

Q50. Transfer of pollengrain from pollensac to stigma is called -

  1. AThalmus
  2. BPollination
  3. CFertillizaion
  4. DGermination
Show answer & explanation

Answer: B) Pollination

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