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MCQs

Total Questions : 297 | Page 5 of 30 pages
Question 41. Indus river is one of the longest river of Asia measuring about_____________________?
  1.    3000 Km
  2.    2500 Km
  3.    2900 Km
  4.    3200 Km
 Discuss Question
Answer: Option C. -> 2900 Km
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 42. Sex pheromones traps are used for the pest of__________________?
  1.    Pink boll worm
  2.    American boll worm
  3.    Both a and b
  4.    non of these
 Discuss Question
Answer: Option C. -> Both a and b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 43. Main reason behind the shedding of flower in cotton is__________________?
  1.    Low temperature
  2.    High temperature
  3.    Humidity
  4.    Cloudy day
 Discuss Question
Answer: Option B. -> High temperature
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 44. Effects of allelopathic compound in the life cycle of plants cause inhibition of________________?
  1.    Seed deterioration
  2.    seed germination
  3.    Seed swelling
  4.    non of these
 Discuss Question
Answer: Option B. -> seed germination
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 45. Root rot of cotton is a_________________?
  1.    Bacterial disease
  2.    Viral disease
  3.    Fungal disease
  4.    None of the above
 Discuss Question
Answer: Option C. -> Fungal disease
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 46. Annual rye grass releases a chemical through its root that prevents________________?
  1.    Crop seeds
  2.    weed seed
  3.    Both a and b
  4.    non of these
 Discuss Question
Answer: Option C. -> Both a and b
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 47. Raising of only one crop in a year, when there is seasonal supply of water is called______________?
  1.    Monocropping
  2.    Monoculture
  3.    Specialized farming
  4.    Intensive cropping
 Discuss Question
Answer: Option A. -> Monocropping
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 48. Plants which grow on dry region are____________________?
  1.    Xerophytes
  2.    Thermophytes
  3.    Hydrophytes
  4.    Haplophytes
 Discuss Question
Answer: Option A. -> Xerophytes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 49. Allelopathy is an important component in the development of future integrated strategies for____________?
  1.    Soil management
  2.    Weed management
  3.    Water management
  4.    non of these
 Discuss Question
Answer: Option B. -> Weed management
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 50. Allclopatluc interactions in general and the allelochemicals in particular are viewed as an important tool for_______________?
  1.    Pest and insect management
  2.    Disease and pest management
  3.    Weed and pest management
  4.    non of these
 Discuss Question
Answer: Option C. -> Weed and pest management
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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