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MCQs

Total Questions : 572 | Page 56 of 58 pages
Question 551. Class fillicineae, class gymnospermae and class Angiospermae are sub-division of group
  1.    lycopsida
  2.    pterosida
  3.    sphenopsida
  4.    bryopsida
 Discuss Question
Answer: Option B. -> pterosida
Answer: (b).pterosida
Question 552. Integumented indehiscent megasporangium is a/an
  1.    sperm
  2.    ova
  3.    ovule
  4.    spores
 Discuss Question
Answer: Option C. -> ovule
Answer: (c).ovule
Question 553. In plants ,Transpiration helps
  1.    leaves to become cool only
  2.    only to prevents leaves being scorched by sun
  3.    to absorb water
  4.    leaves to become cool and prevents leaves being scorched by sun
 Discuss Question
Answer: Option D. -> leaves to become cool and prevents leaves being scorched by sun
Answer: (d).leaves to become cool and prevents leaves being scorched by sun
Question 554. Examples of winged seeds include
  1.    Tacoma
  2.    shorea
  3.    tridex
  4.    cotton
 Discuss Question
Answer: Option A. -> Tacoma
Answer: (a).Tacoma
Question 555. Cotton is an example of
  1.    plumed seed
  2.    plumed fruit
  3.    radicated seed
  4.    radicated fruit
 Discuss Question
Answer: Option A. -> plumed seed
Answer: (a).plumed seed
Question 556. Plumed fruits develop a parachute like structure called as
  1.    testa
  2.    lodicule
  3.    glumes
  4.    pappus
 Discuss Question
Answer: Option D. -> pappus
Answer: (d).pappus
Question 557. Transpiration occurs mainly through the
  1.    stomata of leaf
  2.    epidermis of shoot
  3.    epidermis of leaf
  4.    cuticle
 Discuss Question
Answer: Option A. -> stomata of leaf
Answer: (a).stomata of leaf
Question 558. In grass, the function of filament is to
  1.    hold pollens firmly
  2.    stay inside the bract
  3.    expose anther to wind
  4.    hold grass firm in the soil
 Discuss Question
Answer: Option C. -> expose anther to wind
Answer: (c).expose anther to wind
Question 559. In grass Ischaemum, the upper spikelet is
  1.    sessile
  2.    stalked
  3.    larger
  4.    filament
 Discuss Question
Answer: Option B. -> stalked
Answer: (b).stalked
Question 560. Which of following term describes drying out of plants?
  1.    dehydration
  2.    flaccid
  3.    turgid
  4.    desiccation
 Discuss Question
Answer: Option D. -> desiccation
Answer: (d).desiccation

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