Himachal Pradesh Technical Assistant Gr-I(Field) 703 - Free Online Practice Test

81. C4 plants are more efficient in photosynthesis due to A. Photorespiration B. CO2 concentrating mechanism C. Greater stomatal conductance D. Higher transpiration rate

82. The most widely grown pulse crop in India is A. Lentil B. Pea C. Chickpea D. Black gram

83. Zero tillage is most commonly practiced in A. Paddy fields B. Wheat after rice C. Sugarcane D. Cotton

84. Which of the following crop is considered as a C4 plant? A. Wheat B. Rice C. Maize D. Groundnut

85. Black cotton soil is also known as A. Alluvial soil B. Regur soil C. Laterite soil D. Peaty soil

86. Soil pH suitable for most crops is A. 3.5-4.5 B. 5.0-6.0 C. 6.5-7.5 D. 8.5-9.5

87. The process for removal of calcium from soil is called A. Erosion B. Leaching C. Percolation D. Capillarity

88. Which macronutrient is responsible for root development? A. Nitrogen B. Phosphorus C. Potassium D. Sulphur

89. Soil texture refers to the proportion of A. Nutrients B. Sand, silt and clay C. Organic matter D. Minerals and rocks

90. Which hormone is used for fruit ripening? A. GA3 B. Ethylene C. Cytokinin D. Auxin