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MCQs

Total Questions : 320 | Page 4 of 32 pages
Question 31. Direct effect of pollen grains on the female tissues of the ovary is called__________________?
  1.    Pollination
  2.    Xenia
  3.    Metaxenia
  4.    None of the above
 Discuss Question
Answer: Option C. -> Metaxenia
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 32. Degeneration and death of aerial plant parts is called___________________?
  1.    Senescence
  2.    Partial Senescence
  3.    Maturity
  4.    Both a & b
 Discuss Question
Answer: Option B. -> Partial Senescence
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 33. Cosmos, chrysanthemum, poinsettia are the examples of _________________?
  1.    Long day plants
  2.    Short day plants
  3.    Short night plants
  4.    Long night plants
 Discuss Question
Answer: Option B. -> Short day plants
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 34. What is 2,4-D____________________?
  1.    2-4 napthalene acetic acid
  2.    IAA
  3.    2-4 diclorophenoxy acetic acid
  4.    All the above
 Discuss Question
Answer: Option C. -> 2-4 diclorophenoxy acetic acid
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 35. Cucumber, Kidney bean, pea and tomato are the example of _______________________?
  1.    Long day plants
  2.    Long night plants
  3.    Long day and Long night plants
  4.    Day natural plants
 Discuss Question
Answer: Option D. -> Day natural plants
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 36. Commercial growth inhibitors include__________________?
  1.    Daminozide
  2.    Chlormequat
  3.    Cycocel
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 37. Plant growth regulator found in terminal and lateral buds is___________________?
  1.    Abscisic acid
  2.    Gibberellins
  3.    Auxins
  4.    All the above
 Discuss Question
Answer: Option C. -> Auxins
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 38. A propagation technique in which instead of wrapping the notched portion is burried in the ground is called________________?
  1.    Ghooti
  2.    Layering
  3.    Ground layering
  4.    Air layering
 Discuss Question
Answer: Option C. -> Ground layering
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 39. Rooting of shoots, stems or branches while they are still attached to the parents is called__________________?
  1.    Budding
  2.    Layering
  3.    Ground Layering
  4.    Division
 Discuss Question
Answer: Option B. -> Layering
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 40. A technique which involves separating vegetative parts like rhizome offset, corns and sucker from the parent plant is called_________________?
  1.    Root cutting
  2.    Stool layering
  3.    Mound layering
  4.    Division
 Discuss Question
Answer: Option D. -> Division
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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