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MCQs

Total Questions : 572 | Page 57 of 58 pages
Question 561. From how many years megaphylls started appearing in fossil record?
  1.    370 million
  2.    100 million
  3.    1 million
  4.    10 million
 Discuss Question
Answer: Option A. -> 370 million
Answer: (a).370 million
Question 562. Which of following makes walls of spores hard and resistant to environment?
  1.    placenta cells
  2.    carrier cells
  3.    Sporopollenin
  4.    sporocytes
 Discuss Question
Answer: Option C. -> Sporopollenin
Answer: (c).Sporopollenin
Question 563. Which of following is a multicellular diploid formed from mitotic division of zygote?
  1.    gamete
  2.    sporophyte
  3.    gametophyte
  4.    spore
 Discuss Question
Answer: Option B. -> sporophyte
Answer: (b).sporophyte
Question 564. Clusters of spores called 'sori' are produced by which of following?
  1.    hornworts
  2.    legumes
  3.    ferns
  4.    moss
 Discuss Question
Answer: Option C. -> ferns
Answer: (c).ferns
Question 565. Which of following structures help plant embryo get nutrients?
  1.    placenta cells
  2.    carrier cells
  3.    sporophytes
  4.    placental transfer cells
 Discuss Question
Answer: Option D. -> placental transfer cells
Answer: (d).placental transfer cells
Question 566. Which of following are tube-shaped cells present in xylem?
  1.    stomata
  2.    plasmodesmata
  3.    phloem
  4.    tracheid
 Discuss Question
Answer: Option D. -> tracheid
Answer: (d).tracheid
Question 567. Which of following is another name for club mosses?
  1.    lycophytes
  2.    bryophytes
  3.    flowering plants
  4.    Monilophytes
 Discuss Question
Answer: Option A. -> lycophytes
Answer: (a).lycophytes
Question 568. Vascular plants that produce two types of spores are called
  1.    Monosporous
  2.    heterosporous
  3.    homosporous
  4.    Bisporous
 Discuss Question
Answer: Option B. -> heterosporous
Answer: (b).heterosporous
Question 569. What is association between a plant and fungi called?
  1.    mycorrhizae
  2.    commensalism
  3.    parasitism
  4.    photosynthesis
 Discuss Question
Answer: Option A. -> mycorrhizae
Answer: (a).mycorrhizae
Question 570. Multicellular organs present in sporophytes that make spores are called
  1.    gametes
  2.    gonads
  3.    sporangia
  4.    placenta
 Discuss Question
Answer: Option C. -> sporangia
Answer: (c).sporangia

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