Wind pollination is common in

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Question:
Wind pollination is common in

1.Legumes

2.Orchids

3.Lilies

4.Grasses

Posted Date:-2021-06-19 23:44:07

More MCQS Questions and answers

  1. An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is
  2. Apomictic embryos in citrus arise from
  3. Apomixis is a type of reproduction that results is the development of a/an
  4. Both, autogamy and geitonogamy are prevented in
  5. Double fertilization was first discovered by Nawaschin (1898) in
  6. Egg apparatus consists of
  7. Endosperm is formed during the double fertilization by:
  8. Even in absence of pollinating agents seed-setting is assured in
  9. Fibrous thickenings of hygroscopic nature are found in this part of the anther wall:
  10. Grafting is successful in dicots but not in monocots because the dicots have:
  11. In a type of apomixis known as adventive embryony, embryos develop directly from the
  12. In anatropous ovule what is the direction of micropyle?
  13. In Angiosperms pollen tube liberate their male gametes into the:
  14. In nature, cleistogamous flowers are
  15. In the fully organized polygonum type of embryo sac, what is the ratio of haploid, diploid and triploid nuclei?
  16. In which one of the following, male and female gametophytes do not have free living independent existence
  17. In which one pair both the plants can be vegetatively propagated by leaf pieces
  18. Male gametes in angiosperms are formed by the division of:
  19. Ornithophily refers to the pollination by which of the following:
  20. Ovule is attached to the placenta of ovary wall by:
  21. Plants with ovaries having only one or a few ovules, are generally pollinated by
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  23. Sporopollenin is chemically
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  25. The arrangement of the nuclei in a normal embryo sac in the dicot plants is
  26. The coconut water and the edible part of coconut are equivalent to
  27. The gynoecium consists of many free pistils in flowers of
  28. The pollen are liberated in Cassytha by:
  29. There are 10 flowers in one individual plant of Crotalaria. In each microsporangium of every stamen of all the flowers, there are 30 microspore mother cells. How many pollen grains are formed from tha
  30. Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called
  31. Vernalisation stimulates flowering in
  32. What is the function of germ pore?
  33. What is the ratio of equational divisions that take place in Cycas and angiosperms respectively leading to the formation of male gametes from pollen grains?
  34. What is the theme of this year,s World Kidney Day?
  35. What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?
  36. When the other floral parts are arranged at the base of the gynoecium, the flower is called :
  37. Which bank has launched doorstep banking service for senior citizens over 70 years of age and differently-abled customers recently?
  38. Which company to launch digital innovation center ar Bucharest in Romania to develop software for clients based on cloud, big data, artificial intelligence, and machine learning?
  39. Which of the following pairs in angiosperms are diploid and triploid, respectively?
  40. Which of the following statements about sporopollenin is false?
  41. Which one of the following is surrounded by a callose wall?
  42. Which one of the following pairs of plant structures has haploid number of chromosomes?
  43. Which one of the following statements is wrong?
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  45. Which type of association is found in between entomophilous flower and pollinating agent?
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  48. Wind pollinated flowers are
  49. Wind pollination is common in
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