51. In which year Birsa Munda held the first meeting for Ulgulan at Dombari hill?
(A) 1896
(B) 1897
(C) 1898
(D) 1899
Answer:
(D) 1899
Explanation:
Birsa Munda held the first major meeting to organize the Ulgulan (Great Tumult) at Dombari Hill in the year 1899, which culminated in the famous Munda Rebellion.
52. Which of one is the nutrient having special significance to carbohydrate rich crops and imparts disease resistance to crops, improves size and quality of flowers, fruits, vegetables and grains?
(A) Nitrogen
(B) Phosphorus
(C) Potassium
(D) Sulphur
Answer:
(C) Potassium
Explanation:
Potassium (K) plays a vital role in carbohydrate metabolism, enhancing crop quality, improving size and color of fruits, and conferring disease and drought resistance to plants.
53. Which of the following is a potassic fertilizer?
(A) Urea
(B) SSP
(C) DAP
(D) MOP
Answer:
(D) MOP
Explanation:
MOP stands for Muriate of Potash (potassium chloride), which is the most common and widely used potassic fertilizer in agriculture.
54. Which of one is not a cereal crop?
(A) Maize
(B) Finger Millet
(C) Pigeon pea
(D) Sorghum
Answer:
(C) Pigeon pea
Explanation:
Pigeon pea (Arhar/Tur) is a legume (pulse) crop, whereas maize, finger millet (ragi), and sorghum (jowar) are all cereal grains.
55. Wilt of Pigeon pea is a disease caused which of the following?
(A) Bacteria
(B) Fungus
(C) Virus
(D) Nematode
Answer:
(B) Fungus
Explanation:
Fusarium wilt of pigeon pea is a destructive soil-borne disease caused by the fungus Fusarium udum.