151. Among the following salts, which is a salt of weak acid and strong base A. NH4Cl B. CH3COONH4 C. NaCN D. NaCl 152. Choose the micronutrient needed for plant growth A. Oxygen B.Hydrogen C. Nitrogen D. Zinc 153. A feature .common to nucleus, chloroplast and mitochondria is the presence of A. Lamella B. Cristae C. Nucleic acid D. Nucleolus 154. Hormone secreted in root tip during the formation of nodule is A. Auxin B. Cytokinin C. Zymase D.Lipase Note: Answer can be either A or B. Refer +2 Botany Book 155. Metabolically inactive cell inclusions remaining in the cytoplasm is called A. Reserve materials B. Ergastic substances C. Secretory substances D. Crystals 156. The human population is currently exhibiting A. logistic growth B. exponential growth C. arithmetic growth D. zero growth 157. The antibiotic that prevents cell wall synthesis in bacteria is A. Rifampicin B. Streptomycin C. Penicillin D. Anthracyclin 158. Which one of the following European war was associated with Third Carnatic War? A. The Seven Year's War B. The War of Austrian Succession C. The War of Roses D. The Austro-Prussian War 159. The State Reorganisation Act was passed in A. October 1956 B. June 1956 C. November 1956 D.July 1956 160. Which of the following is incorrectly paired? A.Mir Bakhshi - Military advisor B. Muhtasib - Censor of public morals C. Kotwal—Revenue collector D. Qazi-ul-Quzat-Judicial officer