Which of the following is NOT an agent of pollination in plants?
Bees
Wind
Water
Fungi
Correct answer is D
Pollination is the process by which pollen grains are transferred from the male reproductive organs to the female reproductive organs of a plant, enabling fertilization and seed production. Various agents can facilitate pollination, including animals, wind, and water.
Which of the following is an example of agricultural technology?
Crop rotation
Irrigation
Organic farming
Composting
Correct answer is B
Irrigation is an example of agricultural technology. It involves the artificial application of water to agricultural fields to supplement natural rainfall. Irrigation systems can range from simple methods like surface irrigation to more advanced techniques like drip irrigation or sprinkler systems.
Which of the following is NOT a component of agronomy?
Pest management
Crop production
Soil management
Animal husbandry
Correct answer is D
Agronomy is a branch of agriculture that focuses on crop production and the management of agricultural systems. It involves various aspects related to growing and cultivating crops. The main components of agronomy include crop production, soil management, and pest management.
The type of soil with a particle size of 0.02 to 0.002mm is
Clay
Silt
Fine sand
Coarse sand
Correct answer is B
Fine sand → 0.2mm - 0.02mm
Silt particles → 0.02mm - 0.002mm
Clay particles → less than 0.002mm