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MCQs

Total Questions : 572 | Page 54 of 58 pages
Question 531. In grass, the pollination is affected through
  1.    filament protruding out of the bract only
  2.    mature stigma protruding out of the bract only
  3.    immature petals and sepal
  4.    filament protruding and mature stigma protruding out of bract
 Discuss Question
Answer: Option D. -> filament protruding and mature stigma protruding out of bract
Answer: (d).filament protruding and mature stigma protruding out of bract
Question 532. Plants pollinated through insects have
  1.    small pollens
  2.    light pollens
  3.    short stamens
  4.    nectar guides
 Discuss Question
Answer: Option D. -> nectar guides
Answer: (d).nectar guides
Question 533. In grass Ischaemum, the lower spikelet is
  1.    sessile
  2.    stalked
  3.    smaller
  4.    filament
 Discuss Question
Answer: Option A. -> sessile
Answer: (a).sessile
Question 534. Stamens are protruding, large and feathery in plants pollinated by
  1.    winds
  2.    insects
  3.    water
  4.    rain
 Discuss Question
Answer: Option A. -> winds
Answer: (a).winds
Question 535. Which is true about grasses
  1.    a common flowering plants
  2.    not a flowering plants
  3.    a flowering plant
  4.    a uniflowering plants
 Discuss Question
Answer: Option A. -> a common flowering plants
Answer: (a).a common flowering plants
Question 536. Flowering bracts in spikelet are further protected by
  1.    legumes
  2.    glomerulus
  3.    glumes
  4.    glooms
 Discuss Question
Answer: Option C. -> glumes
Answer: (c).glumes
Question 537. Pollens are large, sticky and heavy in plants pollinated by
  1.    wind
  2.    insects
  3.    water
  4.    rain
 Discuss Question
Answer: Option B. -> insects
Answer: (b).insects
Question 538. In grasses, bracts are
  1.    petals
  2.    leaf-like structures
  3.    sepals
  4.    stigma
 Discuss Question
Answer: Option B. -> leaf-like structures
Answer: (b).leaf-like structures
Question 539. Number of petals in Clitoria flowers are
  1.    4
  2.    5
  3.    6
  4.    7
 Discuss Question
Answer: Option B. -> 5
Answer: (b).5
Question 540. Nectar at base of androecium can be reached by
  1.    any insect
  2.    wings or feathers of visiting birds and insects
  3.    insects with a long proboscis
  4.    mosquitoes only
 Discuss Question
Answer: Option C. -> insects with a long proboscis
Answer: (c).insects with a long proboscis

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